Merge branch 'bundle-libuv' of github.com:rjw57/neovim into rjw57-bundle-libuv

Makefile

@@ -14,7 +14,7 @@ test: build/bin/nvim
 deps: .deps/usr/lib/libuv.a
 
 .deps/usr/lib/libuv.a:
-	sh -e scripts/get-libuv.sh
+	sh -e scripts/compile-libuv.sh
 
 cmake: clean
 	mkdir build

scripts/compile-libuv.sh

@@ -0,0 +1,10 @@
+. scripts/common.sh
+
+uv_dir="third-party/libuv"
+
+cd "$uv_dir"
+sh autogen.sh
+./configure --prefix="$prefix"
+make
+make install
+rm "$prefix/lib/"libuv*.{so,dylib} "$prefix/lib/"libuv*.{so,dylib}.* || true

scripts/get-libuv.sh

@@ -1,16 +0,0 @@
-. scripts/common.sh
-
-uv_repo=joyent/libuv
-uv_ver=v0.11.19
-uv_dir="$deps/uv-$uv_ver"
-uv_sha1=5539d8e99e22b438cf4a412d4cec70ac6bb519fc
-
-rm -rf "$uv_dir"
-
-github_download "$uv_repo" "$uv_ver" "$uv_dir" "$uv_sha1"
-cd "$uv_dir"
-sh autogen.sh
-./configure --prefix="$prefix"
-make
-make install
-rm "$prefix/lib/"libuv*.{so,dylib} "$prefix/lib/"libuv*.{so,dylib}.* || true

third-party/README.md

@@ -0,0 +1,9 @@
+# Third party dependencies for neovim
+
+This directory contains any third party dependencies for neovim which, for one
+reason or another, we cannot rely on the system to supply.
+
+Ideally commits within this directory will only be merge commits from upstream
+projects. The "git subtree" tool is a good choice for managing such merge
+commits. In order to avoid needlessly inflating the bandwidth required to clone
+neovim, the ``--squash`` option for git subtree should be used.

third-party/libuv/.gitignore

@@ -0,0 +1,62 @@
+*.swp
+*.[oa]
+*.l[oa]
+*.opensdf
+*.orig
+*.pyc
+*.sdf
+*.suo
+core
+vgcore.*
+.buildstamp
+.dirstamp
+.deps/
+/.libs/
+/aclocal.m4
+/ar-lib
+/autom4te.cache/
+/compile
+/config.guess
+/config.log
+/config.status
+/config.sub
+/configure
+/depcomp
+/install-sh
+/libtool
+/libuv.a
+/libuv.dylib
+/libuv.pc
+/libuv.so
+/ltmain.sh
+/missing
+/test-driver
+Makefile
+Makefile.in
+
+# Generated by dtrace(1) when doing an in-tree build.
+/include/uv-dtrace.h
+
+# Generated by gyp for android
+*.target.mk
+
+/out/
+/build/gyp
+
+/run-tests
+/run-tests.exe
+/run-tests.dSYM
+/run-benchmarks
+/run-benchmarks.exe
+/run-benchmarks.dSYM
+
+*.sln
+*.vcproj
+*.vcxproj
+*.vcxproj.filters
+*.vcxproj.user
+_UpgradeReport_Files/
+UpgradeLog*.XML
+Debug
+Release
+ipch

third-party/libuv/.mailmap

@@ -0,0 +1,24 @@
+Alan Gutierrez <alan@prettyrobots.com> <alan@blogometer.com>
+Andrius Bentkus <andrius.bentkus@gmail.com> <toxedvirus@gmail.com>
+Bert Belder <bertbelder@gmail.com> <info@2bs.nl>
+Bert Belder <bertbelder@gmail.com> <user@ChrUbuntu.(none)>
+Brandon Philips <brandon.philips@rackspace.com> <brandon@ifup.org>
+Brian White <mscdex@mscdex.net>
+Brian White <mscdex@mscdex.net> <mscdex@gmail.com>
+Christoph Iserlohn <christoph.iserlohn@innoq.com>
+Frank Denis <github@pureftpd.org>
+Isaac Z. Schlueter <i@izs.me>
+Keno Fischer <kenof@stanford.edu> <kfischer+github@college.harvard.edu>
+Keno Fischer <kenof@stanford.edu> <kfischer@college.harvard.edu>
+Maciej Małecki <maciej.malecki@notimplemented.org> <me@mmalecki.com>
+Marc Schlaich <marc.schlaich@googlemail.com> <marc.schlaich@gmail.com>
+Robert Mustacchi <rm@joyent.com> <rm@fingolfin.org>
+Ryan Dahl <ryan@joyent.com> <ry@tinyclouds.org>
+Ryan Emery <seebees@gmail.com>
+San-Tai Hsu <vanilla@fatpipi.com>
+Saúl Ibarra Corretgé <saghul@gmail.com>
+Shigeki Ohtsu <ohtsu@iij.ad.jp> <ohtsu@ohtsu.org>
+Timothy J. Fontaine <tjfontaine@gmail.com>
+Yasuhiro Matsumoto <mattn.jp@gmail.com>
+Yazhong Liu <yorkiefixer@gmail.com>
+Yuki Okumura <mjt@cltn.org>

third-party/libuv/AUTHORS

@@ -0,0 +1,114 @@
+# Authors ordered by first contribution.
+Ryan Dahl <ryan@joyent.com>
+Bert Belder <bertbelder@gmail.com>
+Josh Roesslein <jroesslein@gmail.com>
+Alan Gutierrez <alan@prettyrobots.com>
+Joshua Peek <josh@joshpeek.com>
+Igor Zinkovsky <igorzi@microsoft.com>
+San-Tai Hsu <vanilla@fatpipi.com>
+Ben Noordhuis <info@bnoordhuis.nl>
+Henry Rawas <henryr@schakra.com>
+Robert Mustacchi <rm@joyent.com>
+Matt Stevens <matt@alloysoft.com>
+Paul Querna <pquerna@apache.org>
+Shigeki Ohtsu <ohtsu@iij.ad.jp>
+Tom Hughes <tom.hughes@palm.com>
+Peter Bright <drpizza@quiscalusmexicanus.org>
+Jeroen Janssen <jeroen.janssen@gmail.com>
+Andrea Lattuada <ndr.lattuada@gmail.com>
+Augusto Henrique Hentz <ahhentz@gmail.com>
+Clifford Heath <clifford.heath@gmail.com>
+Jorge Chamorro Bieling <jorge@jorgechamorro.com>
+Luis Lavena <luislavena@gmail.com>
+Matthew Sporleder <msporleder@gmail.com>
+Erick Tryzelaar <erick.tryzelaar@gmail.com>
+Isaac Z. Schlueter <i@izs.me>
+Pieter Noordhuis <pcnoordhuis@gmail.com>
+Marek Jelen <marek@jelen.biz>
+Fedor Indutny <fedor.indutny@gmail.com>
+Saúl Ibarra Corretgé <saghul@gmail.com>
+Felix Geisendörfer <felix@debuggable.com>
+Yuki Okumura <mjt@cltn.org>
+Roman Shtylman <shtylman@gmail.com>
+Frank Denis <github@pureftpd.org>
+Carter Allen <CarterA@opt-6.com>
+Tj Holowaychuk <tj@vision-media.ca>
+Shimon Doodkin <helpmepro1@gmail.com>
+Ryan Emery <seebees@gmail.com>
+Bruce Mitchener <bruce.mitchener@gmail.com>
+Maciej Małecki <maciej.malecki@notimplemented.org>
+Yasuhiro Matsumoto <mattn.jp@gmail.com>
+Daisuke Murase <typester@cpan.org>
+Paddy Byers <paddy.byers@gmail.com>
+Dan VerWeire <dverweire@gmail.com>
+Brandon Benvie <brandon@bbenvie.com>
+Brandon Philips <brandon.philips@rackspace.com>
+Nathan Rajlich <nathan@tootallnate.net>
+Charlie McConnell <charlie@charlieistheman.com>
+Vladimir Dronnikov <dronnikov@gmail.com>
+Aaron Bieber <qbit@deftly.net>
+Bulat Shakirzyanov <mallluhuct@gmail.com>
+Brian White <mscdex@mscdex.net>
+Erik Dubbelboer <erik@dubbelboer.com>
+Keno Fischer <kenof@stanford.edu>
+Ira Cooper <Ira.Cooper@mathworks.com>
+Andrius Bentkus <andrius.bentkus@gmail.com>
+Iñaki Baz Castillo <ibc@aliax.net>
+Mark Cavage <mark.cavage@joyent.com>
+George Yohng <georgegh@oss3d.com>
+Xidorn Quan <quanxunzhen@gmail.com>
+Roman Neuhauser <rneuhauser@suse.cz>
+Shuhei Tanuma <shuhei.tanuma@gmail.com>
+Bryan Cantrill <bcantrill@acm.org>
+Trond Norbye <trond.norbye@gmail.com>
+Tim Holy <holy@wustl.edu>
+Prancesco Pertugio <meh@schizofreni.co>
+Leonard Hecker <leonard.hecker91@gmail.com>
+Andrew Paprocki <andrew@ishiboo.com>
+Luigi Grilli <luigi.grilli@gmail.com>
+Shannen Saez <shannenlaptop@gmail.com>
+Artur Adib <arturadib@gmail.com>
+Hiroaki Nakamura <hnakamur@gmail.com>
+Ting-Yu Lin <ph.minamo@cytisan.com>
+Stephen Gallagher <sgallagh@redhat.com>
+Shane Holloway <shane.holloway@ieee.org>
+Andrew Shaffer <darawk@gmail.com>
+Vlad Tudose <vlad.tudose@intel.com>
+Ben Leslie <benno@benno.id.au>
+Tim Bradshaw <tfb@cley.com>
+Timothy J. Fontaine <tjfontaine@gmail.com>
+Marc Schlaich <marc.schlaich@googlemail.com>
+Brian Mazza <louseman@gmail.com>
+Elliot Saba <staticfloat@gmail.com>
+Ben Kelly <ben@wanderview.com>
+Kristian Evensen <kristian.evensen@gmail.com>
+Nils Maier <maierman@web.de>
+Nicholas Vavilov <vvnicholas@gmail.com>
+Miroslav Bajtoš <miro.bajtos@gmail.com>
+Sean Silva <chisophugis@gmail.com>
+Wynn Wilkes <wynnw@movenetworks.com>
+Linus Mårtensson <linus.martensson@sonymobile.com>
+Andrei Sedoi <bsnote@gmail.com>
+Navaneeth Kedaram Nambiathan <navaneethkn@gmail.com>
+Alex Crichton <alex@alexcrichton.com>
+Brent Cook <brent@boundary.com>
+Brian Kaisner <bkize1@gmail.com>
+Luca Bruno <lucab@debian.org>
+Reini Urban <rurban@cpanel.net>
+Maks Naumov <maksqwe1@ukr.net>
+Sean Farrell <sean.farrell@rioki.org>
+Chris Bank <cbank@adobe.com>
+Geert Jansen <geertj@gmail.com>
+Christoph Iserlohn <christoph.iserlohn@innoq.com>
+Steven Kabbes <stevenkabbes@gmail.com>
+Alex Gaynor <alex.gaynor@gmail.com>
+huxingyi <huxingyi@msn.com>
+Tenor Biel <tenorbiel@gmail.com>
+Andrej Manduch <AManduch@gmail.com>
+Joshua Neuheisel <joshua@neuheisel.us>
+Alexis Campailla <alexis@janeasystems.com>
+Yazhong Liu <yorkiefixer@gmail.com>
+Sam Roberts <vieuxtech@gmail.com>
+River Tarnell <river@loreley.flyingparchment.org.uk>
+Nathan Sweet <nathanjsweet@gmail.com>
+Trevor Norris <trev.norris@gmail.com>

third-party/libuv/CONTRIBUTING.md

@@ -0,0 +1,177 @@
+# CONTRIBUTING
+
+The libuv project welcomes new contributors. This document will guide you
+through the process.
+
+
+### FORK
+
+Fork the project [on GitHub](https://github.com/joyent/libuv) and check out
+your copy.
+
+```
+$ git clone https://github.com/username/libuv.git
+$ cd libuv
+$ git remote add upstream https://github.com/joyent/libuv.git
+```
+
+Now decide if you want your feature or bug fix to go into the master branch
+or the stable branch.  As a rule of thumb, bug fixes go into the stable branch
+while new features go into the master branch.
+
+The stable branch is effectively frozen; patches that change the libuv
+API/ABI or affect the run-time behavior of applications get rejected.
+
+In case of doubt, open an issue in the [issue tracker][], post your question
+to the [libuv mailing list], or contact one of project maintainers
+(@bnoordhuis, @piscisaureus, @indutny or @saghul) on [IRC][].
+
+Especially do so if you plan to work on something big.  Nothing is more
+frustrating than seeing your hard work go to waste because your vision
+does not align with that of a project maintainers.
+
+
+### BRANCH
+
+Okay, so you have decided on the proper branch.  Create a feature branch
+and start hacking:
+
+```
+$ git checkout -b my-feature-branch -t origin/v0.10
+```
+
+(Where v0.10 is the latest stable branch as of this writing.)
+
+### CODE
+
+Please adhere to libuv's code style. In general it follows the conventions from
+the [Google C/C++ style guide]. Some of the key points, as well as some
+additional guidelines, are enumerated below.
+
+* Code that is specific to unix-y platforms should be placed in `src/unix`, and
+  declarations go into `src/uv-unix.h`.
+
+* Source code that is Windows-specific goes into `src/win`, and related
+  publicly exported types, functions and macro declarations should generally
+  be declared in `include/uv-win.h`.
+
+* Names should be descriptive and concise.
+
+* All the symbols and types that libuv makes available publicly should be
+  prefixed with `uv_` (or `UV_` in case of macros).
+
+* Internal, non-static functions should be prefixed with `uv__`.
+
+* Use two spaces and no tabs.
+
+* Lines should be wrapped at 80 characters.
+
+* Ensure that lines have no trailing whitespace, and use unix-style (LF) line
+  endings.
+
+* Use C89-compliant syntax. In other words, variables can only be declared at
+  the top of a scope (function, if/for/while-block).
+
+* When writing comments, use properly constructed sentences, including
+  punctuation.
+
+* When documenting APIs and/or source code, don't make assumptions or make
+  implications about race, gender, religion, political orientation or anything
+  else that isn't relevant to the project.
+
+* Remember that source code usually gets written once and read often: ensure
+  the reader doesn't have to make guesses. Make sure that the purpose and inner
+  logic are either obvious to a reasonably skilled professional, or add a
+  comment that explains it.
+
+
+### COMMIT
+
+Make sure git knows your name and email address:
+
+```
+$ git config --global user.name "J. Random User"
+$ git config --global user.email "j.random.user@example.com"
+```
+
+Writing good commit logs is important.  A commit log should describe what
+changed and why.  Follow these guidelines when writing one:
+
+1. The first line should be 50 characters or less and contain a short
+   description of the change prefixed with the name of the changed
+   subsystem (e.g. "net: add localAddress and localPort to Socket").
+2. Keep the second line blank.
+3. Wrap all other lines at 72 columns.
+
+A good commit log looks like this:
+
+```
+subsystem: explaining the commit in one line
+
+Body of commit message is a few lines of text, explaining things
+in more detail, possibly giving some background about the issue
+being fixed, etc etc.
+
+The body of the commit message can be several paragraphs, and
+please do proper word-wrap and keep columns shorter than about
+72 characters or so. That way `git log` will show things
+nicely even when it is indented.
+```
+
+The header line should be meaningful; it is what other people see when they
+run `git shortlog` or `git log --oneline`.
+
+Check the output of `git log --oneline files_that_you_changed` to find out
+what subsystem (or subsystems) your changes touch.
+
+
+### REBASE
+
+Use `git rebase` (not `git merge`) to sync your work from time to time.
+
+```
+$ git fetch upstream
+$ git rebase upstream/v0.10  # or upstream/master
+```
+
+
+### TEST
+
+Bug fixes and features should come with tests.  Add your tests in the
+`test/` directory. Tests also need to be registered in `test/test-list.h`.
+Look at other tests to see how they should be structured (license boilerplate,
+the way entry points are declared, etc.).
+
+```
+$ make test
+```
+
+Make sure that there are no test regressions.
+
+### PUSH
+
+```
+$ git push origin my-feature-branch
+```
+
+Go to https://github.com/username/libuv and select your feature branch.  Click
+the 'Pull Request' button and fill out the form.
+
+Pull requests are usually reviewed within a few days.  If there are comments
+to address, apply your changes in a separate commit and push that to your
+feature branch.  Post a comment in the pull request afterwards; GitHub does
+not send out notifications when you add commits.
+
+
+### CONTRIBUTOR LICENSE AGREEMENT
+
+The current state of affairs is that, in order to get a patch accepted, you need
+to sign Node.js's [contributor license agreement][]. You only need to do that
+once.
+
+
+[issue tracker]: https://github.com/joyent/libuv/issues
+[libuv mailing list]: http://groups.google.com/group/libuv
+[IRC]: http://webchat.freelibuv.net/?channels=libuv
+[Google C/C++ style guide]: http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml
+[contributor license agreement]: http://nodejs.org/cla.html

third-party/libuv/LICENSE

@@ -0,0 +1,42 @@
+libuv is part of the Node project: http://nodejs.org/
+libuv may be distributed alone under Node's license:
+
+====
+
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+
+====
+
+This license applies to all parts of libuv that are not externally
+maintained libraries.
+
+The externally maintained libraries used by libuv are:
+
+  - tree.h (from FreeBSD), copyright Niels Provos. Two clause BSD license.
+
+  - inet_pton and inet_ntop implementations, contained in src/inet.c, are
+    copyright the Internet Systems Consortium, Inc., and licensed under the ISC
+    license.
+
+  - stdint-msvc2008.h (from msinttypes), copyright Alexander Chemeris. Three
+    clause BSD license.
+
+  - pthread-fixes.h, pthread-fixes.c, copyright Google Inc. and Sony Mobile
+    Communications AB. Three clause BSD license.

third-party/libuv/Makefile.am

@@ -0,0 +1,302 @@
+# Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+ACLOCAL_AMFLAGS = -I m4
+
+AM_CPPFLAGS = -I$(top_srcdir)/include \
+              -I$(top_srcdir)/src
+
+include_HEADERS=include/uv.h include/uv-errno.h
+
+CLEANFILES =
+
+lib_LTLIBRARIES = libuv.la
+libuv_la_CFLAGS = @CFLAGS@
+libuv_la_LDFLAGS = -no-undefined -version-info 11:0:0
+libuv_la_SOURCES = src/fs-poll.c \
+                   src/inet.c \
+                   src/queue.h \
+                   src/uv-common.c \
+                   src/uv-common.h \
+                   src/version.c
+
+if SUNOS
+libuv_la_CFLAGS += -pthread
+endif
+
+if WINNT
+
+include_HEADERS += include/uv-win.h include/tree.h
+AM_CPPFLAGS += -I$(top_srcdir)/src/win \
+               -DWIN32_LEAN_AND_MEAN \
+               -D_WIN32_WINNT=0x0600
+LIBS += -lws2_32 -lpsapi -liphlpapi -lshell32
+libuv_la_SOURCES += src/win/async.c \
+                    src/win/atomicops-inl.h \
+                    src/win/core.c \
+                    src/win/dl.c \
+                    src/win/error.c \
+                    src/win/fs-event.c \
+                    src/win/fs.c \
+                    src/win/getaddrinfo.c \
+                    src/win/handle.c \
+                    src/win/handle-inl.h \
+                    src/win/internal.h \
+                    src/win/loop-watcher.c \
+                    src/win/pipe.c \
+                    src/win/poll.c \
+                    src/win/process-stdio.c \
+                    src/win/process.c \
+                    src/win/req.c \
+                    src/win/req-inl.h \
+                    src/win/signal.c \
+                    src/win/stream.c \
+                    src/win/stream-inl.h \
+                    src/win/tcp.c \
+                    src/win/thread.c \
+                    src/win/threadpool.c \
+                    src/win/timer.c \
+                    src/win/tty.c \
+                    src/win/udp.c \
+                    src/win/util.c \
+                    src/win/winapi.c \
+                    src/win/winapi.h \
+                    src/win/winsock.c \
+                    src/win/winsock.h
+
+else  # WINNT
+
+include_HEADERS += include/uv-unix.h
+AM_CPPFLAGS += -I$(top_srcdir)/src/unix
+libuv_la_SOURCES += src/unix/async.c \
+                   src/unix/atomic-ops.h \
+                   src/unix/core.c \
+                   src/unix/dl.c \
+                   src/unix/fs.c \
+                   src/unix/getaddrinfo.c \
+                   src/unix/internal.h \
+                   src/unix/loop-watcher.c \
+                   src/unix/loop.c \
+                   src/unix/pipe.c \
+                   src/unix/poll.c \
+                   src/unix/process.c \
+                   src/unix/signal.c \
+                   src/unix/spinlock.h \
+                   src/unix/stream.c \
+                   src/unix/tcp.c \
+                   src/unix/thread.c \
+                   src/unix/threadpool.c \
+                   src/unix/timer.c \
+                   src/unix/tty.c \
+                   src/unix/udp.c
+
+endif  # WINNT
+
+TESTS = test/run-tests
+check_PROGRAMS = test/run-tests
+test_run_tests_SOURCES = test/blackhole-server.c \
+                         test/dns-server.c \
+                         test/echo-server.c \
+                         test/run-tests.c \
+                         test/runner.c \
+                         test/runner.h \
+                         test/task.h \
+                         test/test-active.c \
+                         test/test-async.c \
+                         test/test-async-null-cb.c \
+                         test/test-barrier.c \
+                         test/test-callback-order.c \
+                         test/test-callback-stack.c \
+                         test/test-close-fd.c \
+                         test/test-close-order.c \
+                         test/test-condvar.c \
+                         test/test-connection-fail.c \
+                         test/test-cwd-and-chdir.c \
+                         test/test-delayed-accept.c \
+                         test/test-dlerror.c \
+                         test/test-embed.c \
+                         test/test-emfile.c \
+                         test/test-error.c \
+                         test/test-fail-always.c \
+                         test/test-fs-event.c \
+                         test/test-fs-poll.c \
+                         test/test-fs.c \
+                         test/test-get-currentexe.c \
+                         test/test-get-loadavg.c \
+                         test/test-get-memory.c \
+                         test/test-getaddrinfo.c \
+                         test/test-getsockname.c \
+                         test/test-hrtime.c \
+                         test/test-idle.c \
+                         test/test-ip4-addr.c \
+                         test/test-ip6-addr.c \
+                         test/test-ipc-send-recv.c \
+                         test/test-ipc.c \
+                         test/test-list.h \
+                         test/test-loop-handles.c \
+                         test/test-loop-alive.c \
+                         test/test-loop-stop.c \
+                         test/test-loop-time.c \
+                         test/test-multiple-listen.c \
+                         test/test-mutexes.c \
+                         test/test-osx-select.c \
+                         test/test-pass-always.c \
+                         test/test-ping-pong.c \
+                         test/test-pipe-bind-error.c \
+                         test/test-pipe-connect-error.c \
+                         test/test-pipe-server-close.c \
+                         test/test-platform-output.c \
+                         test/test-poll-close.c \
+                         test/test-poll.c \
+                         test/test-process-title.c \
+                         test/test-ref.c \
+                         test/test-run-nowait.c \
+                         test/test-run-once.c \
+                         test/test-semaphore.c \
+                         test/test-shutdown-close.c \
+                         test/test-shutdown-eof.c \
+                         test/test-signal-multiple-loops.c \
+                         test/test-signal.c \
+                         test/test-spawn.c \
+                         test/test-stdio-over-pipes.c \
+                         test/test-tcp-bind-error.c \
+                         test/test-tcp-bind6-error.c \
+                         test/test-tcp-close-accept.c \
+                         test/test-tcp-close-while-connecting.c \
+                         test/test-tcp-close.c \
+                         test/test-tcp-connect-error-after-write.c \
+                         test/test-tcp-connect-error.c \
+                         test/test-tcp-connect-timeout.c \
+                         test/test-tcp-connect6-error.c \
+                         test/test-tcp-flags.c \
+                         test/test-tcp-open.c \
+                         test/test-tcp-read-stop.c \
+                         test/test-tcp-shutdown-after-write.c \
+                         test/test-tcp-unexpected-read.c \
+                         test/test-tcp-write-to-half-open-connection.c \
+                         test/test-tcp-writealot.c \
+                         test/test-tcp-try-write.c \
+                         test/test-thread.c \
+                         test/test-threadpool-cancel.c \
+                         test/test-threadpool.c \
+                         test/test-timer-again.c \
+                         test/test-timer-from-check.c \
+                         test/test-timer.c \
+                         test/test-tty.c \
+                         test/test-udp-dgram-too-big.c \
+                         test/test-udp-ipv6.c \
+                         test/test-udp-multicast-join.c \
+                         test/test-udp-multicast-ttl.c \
+                         test/test-udp-open.c \
+                         test/test-udp-options.c \
+                         test/test-udp-send-and-recv.c \
+                         test/test-walk-handles.c \
+                         test/test-watcher-cross-stop.c
+test_run_tests_LDADD = libuv.la
+
+if WINNT
+test_run_tests_SOURCES += test/runner-win.c \
+                          test/runner-win.h
+else
+test_run_tests_SOURCES += test/runner-unix.c \
+                          test/runner-unix.h
+endif
+
+
+
+if AIX
+libuv_la_CFLAGS += -D_ALL_SOURCE -D_XOPEN_SOURCE=500
+libuv_la_SOURCES += src/unix/aix.c
+endif
+
+if DARWIN
+include_HEADERS += include/uv-darwin.h
+libuv_la_CFLAGS += -D_DARWIN_USE_64_BIT_INODE=1
+libuv_la_SOURCES += src/unix/darwin.c \
+                    src/unix/darwin-proctitle.c \
+                    src/unix/fsevents.c \
+                    src/unix/kqueue.c \
+                    src/unix/proctitle.c
+endif
+
+if FREEBSD
+include_HEADERS += include/uv-bsd.h
+libuv_la_SOURCES += src/unix/freebsd.c src/unix/kqueue.c
+endif
+
+if LINUX
+include_HEADERS += include/uv-linux.h
+libuv_la_SOURCES += src/unix/linux-core.c \
+                    src/unix/linux-inotify.c \
+                    src/unix/linux-syscalls.c \
+                    src/unix/linux-syscalls.h \
+                    src/unix/proctitle.c
+endif
+
+if NETBSD
+include_HEADERS += include/uv-bsd.h
+libuv_la_SOURCES += src/unix/kqueue.c src/unix/netbsd.c
+endif
+
+if OPENBSD
+include_HEADERS += include/uv-bsd.h
+libuv_la_SOURCES += src/unix/kqueue.c src/unix/openbsd.c
+endif
+
+if SUNOS
+include_HEADERS += include/uv-sunos.h
+libuv_la_CFLAGS += -D__EXTENSIONS__ -D_XOPEN_SOURCE=500
+libuv_la_SOURCES += src/unix/sunos.c
+endif
+
+if HAVE_DTRACE
+BUILT_SOURCES = include/uv-dtrace.h
+CLEANFILES += include/uv-dtrace.h
+endif
+
+if DTRACE_NEEDS_OBJECTS
+libuv_la_SOURCES += src/unix/uv-dtrace.d
+libuv_la_DEPENDENCIES = src/unix/uv-dtrace.o
+libuv_la_LIBADD = uv-dtrace.lo
+CLEANFILES += src/unix/uv-dtrace.o src/unix/uv-dtrace.lo
+endif
+
+if HAVE_PKG_CONFIG
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = @PACKAGE_NAME@.pc
+endif
+
+if HAVE_DTRACE
+include/uv-dtrace.h: src/unix/uv-dtrace.d
+	$(AM_V_GEN)$(DTRACE) $(DTRACEFLAGS) -h -xnolibs -s $< -o $(top_srcdir)/$@
+endif
+
+if DTRACE_NEEDS_OBJECTS
+SUFFIXES = .d
+
+src/unix/uv-dtrace.o: src/unix/uv-dtrace.d ${libuv_la_OBJECTS}
+
+# It's ok to specify the output here, because we have 1 .d file, and we process
+# every created .o, most projects don't need to include more than one .d
+.d.o:
+	$(AM_V_GEN)$(DTRACE) $(DTRACEFLAGS) -G -o $(top_builddir)/uv-dtrace.o -s $< \
+		`find ${top_builddir}/src -name "*.o"`
+	$(AM_V_GEN)printf %s\\n \
+		'# ${top_builddir}/uv-dtrace.lo - a libtool object file' \
+		'# Generated by libtool (GNU libtool) 2.4' \
+		'# libtool wants a .lo not a .o' \
+		"pic_object='uv-dtrace.o'" \
+		"non_pic_object='uv-dtrace.o'" \
+	> ${top_builddir}/uv-dtrace.lo
+endif

third-party/libuv/Makefile.mingw

@@ -0,0 +1,77 @@
+# Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+CC = gcc
+
+CFLAGS += -Wall \
+          -Wextra \
+          -Wno-unused-parameter \
+          -Iinclude \
+          -Isrc \
+          -Isrc/win \
+          -DWIN32_LEAN_AND_MEAN \
+          -D_WIN32_WINNT=0x0600
+
+INCLUDES = include/stdint-msvc2008.h \
+           include/tree.h \
+           include/uv-errno.h \
+           include/uv-win.h \
+           include/uv.h \
+           src/queue.h \
+           src/uv-common.h \
+           src/win/atomicops-inl.h \
+           src/win/handle-inl.h \
+           src/win/internal.h \
+           src/win/req-inl.h \
+           src/win/stream-inl.h \
+           src/win/winapi.h \
+           src/win/winsock.h
+
+OBJS = src/fs-poll.o \
+       src/inet.o \
+       src/uv-common.o \
+       src/version.o \
+       src/win/async.o \
+       src/win/core.o \
+       src/win/dl.o \
+       src/win/error.o \
+       src/win/fs-event.o \
+       src/win/fs.o \
+       src/win/getaddrinfo.o \
+       src/win/handle.o \
+       src/win/loop-watcher.o \
+       src/win/pipe.o \
+       src/win/poll.o \
+       src/win/process-stdio.o \
+       src/win/process.o \
+       src/win/req.o \
+       src/win/signal.o \
+       src/win/stream.o \
+       src/win/tcp.o \
+       src/win/thread.o \
+       src/win/threadpool.o \
+       src/win/timer.o \
+       src/win/tty.o \
+       src/win/udp.o \
+       src/win/util.o \
+       src/win/winapi.o \
+       src/win/winsock.o
+
+all: libuv.a
+
+libuv.a: $(OBJS)
+	$(AR) crs $@ $^
+
+# FIXME(bnoordhuis) Don't rebuild everything when a source file changes.
+$(OBJS): $(OBJS:.o=.c) $(INCLUDES)

third-party/libuv/README.md

@@ -0,0 +1,143 @@
+# libuv
+
+libuv is a multi-platform support library with a focus on asynchronous I/O. It
+was primarily developed for use by [Node.js](http://nodejs.org), but it's also
+used by Mozilla's [Rust language](http://www.rust-lang.org/),
+[Luvit](http://luvit.io/), [Julia](http://julialang.org/),
+[pyuv](https://crate.io/packages/pyuv/), and [others](https://github.com/joyent/libuv/wiki/Projects-that-use-libuv).
+
+## Feature highlights
+
+ * Full-featured event loop backed by epoll, kqueue, IOCP, event ports.
+
+ * Asynchronous TCP and UDP sockets
+
+ * Asynchronous DNS resolution
+
+ * Asynchronous file and file system operations
+
+ * File system events
+
+ * ANSI escape code controlled TTY
+
+ * IPC with socket sharing, using Unix domain sockets or named pipes (Windows)
+
+ * Child processes
+
+ * Thread pool
+
+ * Signal handling
+
+ * High resolution clock
+
+ * Threading and synchronization primitives
+
+
+## Community
+
+ * [Mailing list](http://groups.google.com/group/libuv)
+
+## Documentation
+
+ * [include/uv.h](https://github.com/joyent/libuv/blob/master/include/uv.h)
+   — API documentation in the form of detailed header comments.
+ * [An Introduction to libuv](http://nikhilm.github.com/uvbook/)
+   — An overview of libuv with tutorials.
+ * [LXJS 2012 talk](http://www.youtube.com/watch?v=nGn60vDSxQ4)
+   — High-level introductory talk about libuv.
+ * [Tests and benchmarks](https://github.com/joyent/libuv/tree/master/test)
+   — API specification and usage examples.
+ * [libuv-dox](https://github.com/thlorenz/libuv-dox)
+   — Documenting types and methods of libuv, mostly by reading uv.h.
+
+## Build Instructions
+
+For GCC there are two methods building: via autotools or via [GYP][].
+GYP is a meta-build system which can generate MSVS, Makefile, and XCode
+backends. It is best used for integration into other projects.
+
+To build with autotools:
+
+    $ sh autogen.sh
+    $ ./configure
+    $ make
+    $ make check
+    $ make install
+
+### Windows
+
+First, Python 2.6 or 2.7 must be installed as it is required by [GYP][].
+
+Also, the directory for the preferred Python executable must be specified
+by the `PYTHON` or `Path` environment variables.
+
+To build with Visual Studio, launch a git shell (e.g. Cmd or PowerShell)
+and run vcbuild.bat which will checkout the GYP code into build/gyp and
+generate uv.sln as well as related project files.
+
+To have GYP generate build script for another system, checkout GYP into the
+project tree manually:
+
+    $ mkdir -p build
+    $ git clone https://git.chromium.org/external/gyp.git build/gyp
+
+### Unix
+
+Run:
+
+    $ ./gyp_uv.py -f make
+    $ make -C out
+
+### OS X
+
+Run:
+
+    $ ./gyp_uv.py -f xcode
+    $ xcodebuild -ARCHS="x86_64" -project uv.xcodeproj \
+         -configuration Release -target All
+
+Note to OS X users:
+
+Make sure that you specify the architecture you wish to build for in the
+"ARCHS" flag. You can specify more than one by delimiting with a space
+(e.g. "x86_64 i386").
+
+### Android
+
+Run:
+
+    $ source ./android-configure NDK_PATH gyp
+    $ make -C out
+
+Note for UNIX users: compile your project with `-D_LARGEFILE_SOURCE` and
+`-D_FILE_OFFSET_BITS=64`. GYP builds take care of that automatically.
+
+### Running tests
+
+Run:
+
+    $ ./gyp_uv.py -f make
+    $ make -C out
+    $ ./out/Debug/run-tests
+
+## Supported Platforms
+
+Microsoft Windows operating systems since Windows XP SP2. It can be built
+with either Visual Studio or MinGW. Consider using
+[Visual Studio Express 2010][] or later if you do not have a full Visual
+Studio license.
+
+Linux using the GCC toolchain.
+
+OS X using the GCC or XCode toolchain.
+
+Solaris 121 and later using GCC toolchain.
+
+## patches
+
+See the [guidelines for contributing][].
+
+[node.js]: http://nodejs.org/
+[GYP]: http://code.google.com/p/gyp/
+[Visual Studio Express 2010]: http://www.microsoft.com/visualstudio/eng/products/visual-studio-2010-express
+[guidelines for contributing]: https://github.com/joyent/libuv/blob/master/CONTRIBUTING.md

third-party/libuv/android-configure

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+export TOOLCHAIN=$PWD/android-toolchain
+mkdir -p $TOOLCHAIN
+$1/build/tools/make-standalone-toolchain.sh \
+    --toolchain=arm-linux-androideabi-4.7 \
+    --arch=arm \
+    --install-dir=$TOOLCHAIN \
+    --platform=android-9
+export PATH=$TOOLCHAIN/bin:$PATH
+export AR=arm-linux-androideabi-ar
+export CC=arm-linux-androideabi-gcc
+export CXX=arm-linux-androideabi-g++
+export LINK=arm-linux-androideabi-g++
+export PLATFORM=android
+
+if [ $2 -a $2 == 'gyp' ]
+  then
+    ./gyp_uv.py -Dtarget_arch=arm -DOS=android
+fi

third-party/libuv/autogen.sh

@@ -0,0 +1,46 @@
+#!/bin/sh
+
+# Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+cd `dirname "$0"`
+
+if [ "$LIBTOOLIZE" = "" ] && [ "`uname`" = "Darwin" ]; then
+  LIBTOOLIZE=glibtoolize
+fi
+
+ACLOCAL=${ACLOCAL:-aclocal}
+AUTOCONF=${AUTOCONF:-autoconf}
+AUTOMAKE=${AUTOMAKE:-automake}
+LIBTOOLIZE=${LIBTOOLIZE:-libtoolize}
+
+automake_version=`"$AUTOMAKE" --version | head -n 1 | sed 's/[^.0-9]//g'`
+automake_version_major=`echo "$automake_version" | cut -d. -f1`
+automake_version_minor=`echo "$automake_version" | cut -d. -f2`
+
+UV_EXTRA_AUTOMAKE_FLAGS=
+if test "$automake_version_major" -gt 1 || \
+   test "$automake_version_major" -eq 1 && \
+   test "$automake_version_minor" -gt 11; then
+  # serial-tests is available in v0.12 and newer.
+  UV_EXTRA_AUTOMAKE_FLAGS="$UV_EXTRA_AUTOMAKE_FLAGS serial-tests"
+fi
+echo "m4_define([UV_EXTRA_AUTOMAKE_FLAGS], [$UV_EXTRA_AUTOMAKE_FLAGS])" \
+    > m4/libuv-extra-automake-flags.m4
+
+set -ex
+"$LIBTOOLIZE"
+"$ACLOCAL" -I m4
+"$AUTOCONF"
+"$AUTOMAKE" --add-missing --copy

third-party/libuv/checksparse.sh

@@ -0,0 +1,231 @@
+#!/bin/sh
+
+# Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+SPARSE=${SPARSE:-sparse}
+
+SPARSE_FLAGS=${SPARSE_FLAGS:-"
+-D__POSIX__
+-Wsparse-all
+-Wno-do-while
+-Wno-transparent-union
+-Iinclude
+-Isrc
+"}
+
+SOURCES="
+include/tree.h
+include/uv-unix.h
+include/uv.h
+src/fs-poll.c
+src/inet.c
+src/queue.h
+src/unix/async.c
+src/unix/core.c
+src/unix/dl.c
+src/unix/fs.c
+src/unix/getaddrinfo.c
+src/unix/internal.h
+src/unix/loop-watcher.c
+src/unix/loop.c
+src/unix/pipe.c
+src/unix/poll.c
+src/unix/process.c
+src/unix/signal.c
+src/unix/stream.c
+src/unix/tcp.c
+src/unix/thread.c
+src/unix/threadpool.c
+src/unix/timer.c
+src/unix/tty.c
+src/unix/udp.c
+src/uv-common.c
+src/uv-common.h
+"
+
+TESTS="
+test/benchmark-async-pummel.c
+test/benchmark-async.c
+test/benchmark-fs-stat.c
+test/benchmark-getaddrinfo.c
+test/benchmark-loop-count.c
+test/benchmark-million-async.c
+test/benchmark-million-timers.c
+test/benchmark-multi-accept.c
+test/benchmark-ping-pongs.c
+test/benchmark-pound.c
+test/benchmark-pump.c
+test/benchmark-sizes.c
+test/benchmark-spawn.c
+test/benchmark-tcp-write-batch.c
+test/benchmark-thread.c
+test/benchmark-udp-pummel.c
+test/blackhole-server.c
+test/dns-server.c
+test/echo-server.c
+test/run-benchmarks.c
+test/run-tests.c
+test/runner-unix.c
+test/runner-unix.h
+test/runner.c
+test/runner.h
+test/task.h
+test/test-active.c
+test/test-async.c
+test/test-barrier.c
+test/test-callback-order.c
+test/test-callback-stack.c
+test/test-condvar.c
+test/test-connection-fail.c
+test/test-cwd-and-chdir.c
+test/test-delayed-accept.c
+test/test-dlerror.c
+test/test-embed.c
+test/test-error.c
+test/test-fail-always.c
+test/test-fs-event.c
+test/test-fs-poll.c
+test/test-fs.c
+test/test-get-currentexe.c
+test/test-get-loadavg.c
+test/test-get-memory.c
+test/test-getaddrinfo.c
+test/test-getsockname.c
+test/test-hrtime.c
+test/test-idle.c
+test/test-ip6-addr.c
+test/test-ipc-send-recv.c
+test/test-ipc.c
+test/test-loop-handles.c
+test/test-multiple-listen.c
+test/test-mutexes.c
+test/test-pass-always.c
+test/test-ping-pong.c
+test/test-pipe-bind-error.c
+test/test-pipe-connect-error.c
+test/test-pipe-server-close.c
+test/test-platform-output.c
+test/test-poll-close.c
+test/test-poll.c
+test/test-process-title.c
+test/test-ref.c
+test/test-run-nowait.c
+test/test-run-once.c
+test/test-semaphore.c
+test/test-shutdown-close.c
+test/test-shutdown-eof.c
+test/test-signal-multiple-loops.c
+test/test-signal.c
+test/test-spawn.c
+test/test-stdio-over-pipes.c
+test/test-tcp-bind-error.c
+test/test-tcp-bind6-error.c
+test/test-tcp-close-while-connecting.c
+test/test-tcp-close-accept.c
+test/test-tcp-close.c
+test/test-tcp-connect-error-after-write.c
+test/test-tcp-connect-error.c
+test/test-tcp-connect-timeout.c
+test/test-tcp-connect6-error.c
+test/test-tcp-flags.c
+test/test-tcp-open.c
+test/test-tcp-read-stop.c
+test/test-tcp-shutdown-after-write.c
+test/test-tcp-unexpected-read.c
+test/test-tcp-write-error.c
+test/test-tcp-write-to-half-open-connection.c
+test/test-tcp-writealot.c
+test/test-thread.c
+test/test-threadpool-cancel.c
+test/test-threadpool.c
+test/test-timer-again.c
+test/test-timer.c
+test/test-tty.c
+test/test-udp-dgram-too-big.c
+test/test-udp-ipv6.c
+test/test-udp-multicast-join.c
+test/test-udp-multicast-ttl.c
+test/test-udp-open.c
+test/test-udp-options.c
+test/test-udp-send-and-recv.c
+test/test-walk-handles.c
+test/test-watcher-cross-stop.c
+"
+
+case `uname -s` in
+AIX)
+  SPARSE_FLAGS="$SPARSE_FLAGS -D_AIX=1"
+  SOURCES="$SOURCES
+           src/unix/aix.c"
+  ;;
+Darwin)
+  SPARSE_FLAGS="$SPARSE_FLAGS -D__APPLE__=1"
+  SOURCES="$SOURCES
+           include/uv-bsd.h
+           src/unix/darwin.c
+           src/unix/kqueue.c
+           src/unix/fsevents.c"
+  ;;
+DragonFly)
+  SPARSE_FLAGS="$SPARSE_FLAGS -D__DragonFly__=1"
+  SOURCES="$SOURCES
+           include/uv-bsd.h
+           src/unix/kqueue.c
+           src/unix/freebsd.c"
+  ;;
+FreeBSD)
+  SPARSE_FLAGS="$SPARSE_FLAGS -D__FreeBSD__=1"
+  SOURCES="$SOURCES
+           include/uv-bsd.h
+           src/unix/kqueue.c
+           src/unix/freebsd.c"
+  ;;
+Linux)
+  SPARSE_FLAGS="$SPARSE_FLAGS -D__linux__=1"
+  SOURCES="$SOURCES
+           include/uv-linux.h
+           src/unix/linux-inotify.c
+           src/unix/linux-core.c
+           src/unix/linux-syscalls.c
+           src/unix/linux-syscalls.h"
+  ;;
+NetBSD)
+  SPARSE_FLAGS="$SPARSE_FLAGS -D__NetBSD__=1"
+  SOURCES="$SOURCES
+           include/uv-bsd.h
+           src/unix/kqueue.c
+           src/unix/netbsd.c"
+  ;;
+OpenBSD)
+  SPARSE_FLAGS="$SPARSE_FLAGS -D__OpenBSD__=1"
+  SOURCES="$SOURCES
+           include/uv-bsd.h
+           src/unix/kqueue.c
+           src/unix/openbsd.c"
+  ;;
+SunOS)
+  SPARSE_FLAGS="$SPARSE_FLAGS -D__sun=1"
+  SOURCES="$SOURCES
+           include/uv-sunos.h
+           src/unix/sunos.c"
+  ;;
+esac
+
+for ARCH in __i386__ __x86_64__ __arm__ __mips__; do
+  $SPARSE $SPARSE_FLAGS -D$ARCH=1 $SOURCES
+done
+
+# Tests are architecture independent.
+$SPARSE $SPARSE_FLAGS -Itest $TESTS

third-party/libuv/common.gypi

@@ -0,0 +1,208 @@
+{
+  'variables': {
+    'visibility%': 'hidden',         # V8's visibility setting
+    'target_arch%': 'ia32',          # set v8's target architecture
+    'host_arch%': 'ia32',            # set v8's host architecture
+    'library%': 'static_library',    # allow override to 'shared_library' for DLL/.so builds
+    'component%': 'static_library',  # NB. these names match with what V8 expects
+    'msvs_multi_core_compile': '0',  # we do enable multicore compiles, but not using the V8 way
+    'gcc_version%': 'unknown',
+    'clang%': 0,
+  },
+
+  'target_defaults': {
+    'default_configuration': 'Debug',
+    'configurations': {
+      'Debug': {
+        'defines': [ 'DEBUG', '_DEBUG' ],
+        'cflags': [ '-g', '-O0', '-fwrapv' ],
+        'msvs_settings': {
+          'VCCLCompilerTool': {
+            'target_conditions': [
+              ['library=="static_library"', {
+                'RuntimeLibrary': 1, # static debug
+              }, {
+                'RuntimeLibrary': 3, # DLL debug
+              }],
+            ],
+            'Optimization': 0, # /Od, no optimization
+            'MinimalRebuild': 'false',
+            'OmitFramePointers': 'false',
+            'BasicRuntimeChecks': 3, # /RTC1
+          },
+          'VCLinkerTool': {
+            'LinkIncremental': 2, # enable incremental linking
+          },
+        },
+        'xcode_settings': {
+          'GCC_OPTIMIZATION_LEVEL': '0',
+          'OTHER_CFLAGS': [ '-Wno-strict-aliasing' ],
+        },
+        'conditions': [
+          ['OS != "win"', {
+            'defines': [ 'EV_VERIFY=2' ],
+          }],
+        ]
+      },
+      'Release': {
+        'defines': [ 'NDEBUG' ],
+        'cflags': [
+          '-O3',
+          '-fstrict-aliasing',
+          '-fomit-frame-pointer',
+          '-fdata-sections',
+          '-ffunction-sections',
+        ],
+        'msvs_settings': {
+          'VCCLCompilerTool': {
+            'target_conditions': [
+              ['library=="static_library"', {
+                'RuntimeLibrary': 0, # static release
+              }, {
+                'RuntimeLibrary': 2, # debug release
+              }],
+            ],
+            'Optimization': 3, # /Ox, full optimization
+            'FavorSizeOrSpeed': 1, # /Ot, favour speed over size
+            'InlineFunctionExpansion': 2, # /Ob2, inline anything eligible
+            'WholeProgramOptimization': 'true', # /GL, whole program optimization, needed for LTCG
+            'OmitFramePointers': 'true',
+            'EnableFunctionLevelLinking': 'true',
+            'EnableIntrinsicFunctions': 'true',
+          },
+          'VCLibrarianTool': {
+            'AdditionalOptions': [
+              '/LTCG', # link time code generation
+            ],
+          },
+          'VCLinkerTool': {
+            'LinkTimeCodeGeneration': 1, # link-time code generation
+            'OptimizeReferences': 2, # /OPT:REF
+            'EnableCOMDATFolding': 2, # /OPT:ICF
+            'LinkIncremental': 1, # disable incremental linking
+          },
+        },
+      }
+    },
+    'msvs_settings': {
+      'VCCLCompilerTool': {
+        'StringPooling': 'true', # pool string literals
+        'DebugInformationFormat': 3, # Generate a PDB
+        'WarningLevel': 3,
+        'BufferSecurityCheck': 'true',
+        'ExceptionHandling': 1, # /EHsc
+        'SuppressStartupBanner': 'true',
+        'WarnAsError': 'false',
+        'AdditionalOptions': [
+           '/MP', # compile across multiple CPUs
+         ],
+      },
+      'VCLibrarianTool': {
+      },
+      'VCLinkerTool': {
+        'GenerateDebugInformation': 'true',
+        'RandomizedBaseAddress': 2, # enable ASLR
+        'DataExecutionPrevention': 2, # enable DEP
+        'AllowIsolation': 'true',
+        'SuppressStartupBanner': 'true',
+        'target_conditions': [
+          ['_type=="executable"', {
+            'SubSystem': 1, # console executable
+          }],
+        ],
+      },
+    },
+    'conditions': [
+      ['OS == "win"', {
+        'msvs_cygwin_shell': 0, # prevent actions from trying to use cygwin
+        'defines': [
+          'WIN32',
+          # we don't really want VC++ warning us about
+          # how dangerous C functions are...
+          '_CRT_SECURE_NO_DEPRECATE',
+          # ... or that C implementations shouldn't use
+          # POSIX names
+          '_CRT_NONSTDC_NO_DEPRECATE',
+        ],
+        'target_conditions': [
+          ['target_arch=="x64"', {
+            'msvs_configuration_platform': 'x64'
+          }]
+        ]
+      }],
+      ['OS in "freebsd linux openbsd solaris android"', {
+        'cflags': [ '-Wall' ],
+        'cflags_cc': [ '-fno-rtti', '-fno-exceptions' ],
+        'target_conditions': [
+          ['_type=="static_library"', {
+            'standalone_static_library': 1, # disable thin archive which needs binutils >= 2.19
+          }],
+        ],
+        'conditions': [
+          [ 'host_arch != target_arch and target_arch=="ia32"', {
+            'cflags': [ '-m32' ],
+            'ldflags': [ '-m32' ],
+          }],
+          [ 'OS=="linux"', {
+            'cflags': [ '-ansi' ],
+          }],
+          [ 'OS=="solaris"', {
+            'cflags': [ '-pthreads' ],
+            'ldflags': [ '-pthreads' ],
+          }],
+          [ 'OS not in "solaris android"', {
+            'cflags': [ '-pthread' ],
+            'ldflags': [ '-pthread' ],
+          }],
+          [ 'visibility=="hidden" and (clang==1 or gcc_version >= 40)', {
+            'cflags': [ '-fvisibility=hidden' ],
+          }],
+        ],
+      }],
+      ['OS=="mac"', {
+        'xcode_settings': {
+          'ALWAYS_SEARCH_USER_PATHS': 'NO',
+          'GCC_CW_ASM_SYNTAX': 'NO',                # No -fasm-blocks
+          'GCC_DYNAMIC_NO_PIC': 'NO',               # No -mdynamic-no-pic
+                                                    # (Equivalent to -fPIC)
+          'GCC_ENABLE_CPP_EXCEPTIONS': 'NO',        # -fno-exceptions
+          'GCC_ENABLE_CPP_RTTI': 'NO',              # -fno-rtti
+          'GCC_ENABLE_PASCAL_STRINGS': 'NO',        # No -mpascal-strings
+          # GCC_INLINES_ARE_PRIVATE_EXTERN maps to -fvisibility-inlines-hidden
+          'GCC_INLINES_ARE_PRIVATE_EXTERN': 'YES',
+          'GCC_SYMBOLS_PRIVATE_EXTERN': 'YES',      # -fvisibility=hidden
+          'GCC_THREADSAFE_STATICS': 'NO',           # -fno-threadsafe-statics
+          'PREBINDING': 'NO',                       # No -Wl,-prebind
+          'USE_HEADERMAP': 'NO',
+          'OTHER_CFLAGS': [
+            '-fstrict-aliasing',
+          ],
+          'WARNING_CFLAGS': [
+            '-Wall',
+            '-Wendif-labels',
+            '-W',
+            '-Wno-unused-parameter',
+          ],
+        },
+        'conditions': [
+          ['target_arch=="ia32"', {
+            'xcode_settings': {'ARCHS': ['i386']},
+          }],
+          ['target_arch=="x64"', {
+            'xcode_settings': {'ARCHS': ['x86_64']},
+          }],
+        ],
+        'target_conditions': [
+          ['_type!="static_library"', {
+            'xcode_settings': {'OTHER_LDFLAGS': ['-Wl,-search_paths_first']},
+          }],
+        ],
+      }],
+     ['OS=="solaris"', {
+       'cflags': [ '-fno-omit-frame-pointer' ],
+       # pull in V8's postmortem metadata
+       'ldflags': [ '-Wl,-z,allextract' ]
+     }],
+    ],
+  },
+}

third-party/libuv/configure.ac

@@ -0,0 +1,55 @@
+# Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+AC_PREREQ(2.57)
+AC_INIT([libuv], [0.11.19], [https://github.com/joyent/libuv/issues])
+AC_CONFIG_MACRO_DIR([m4])
+m4_include([m4/libuv-extra-automake-flags.m4])
+AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects] UV_EXTRA_AUTOMAKE_FLAGS)
+AC_CANONICAL_HOST
+AC_ENABLE_SHARED
+AC_ENABLE_STATIC
+AC_PROG_CC
+AM_PROG_CC_C_O
+# AM_PROG_AR is not available in automake v0.11 but it's essential in v0.12.
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+LT_INIT
+# TODO(bnoordhuis) Check for -pthread vs. -pthreads
+AC_CHECK_LIB([dl], [dlopen])
+AC_CHECK_LIB([kstat], [kstat_lookup])
+AC_CHECK_LIB([kvm], [kvm_open])
+AC_CHECK_LIB([nsl], [gethostbyname])
+AC_CHECK_LIB([perfstat], [perfstat_cpu])
+AC_CHECK_LIB([pthread], [pthread_mutex_init])
+AC_CHECK_LIB([rt], [clock_gettime])
+AC_CHECK_LIB([sendfile], [sendfile])
+AC_CHECK_LIB([socket], [socket])
+AC_SYS_LARGEFILE
+AM_CONDITIONAL([AIX],     [AS_CASE([$host_os], [aix*],     [true], [false])])
+AM_CONDITIONAL([DARWIN],  [AS_CASE([$host_os], [darwin*],  [true], [false])])
+AM_CONDITIONAL([FREEBSD], [AS_CASE([$host_os], [freebsd*], [true], [false])])
+AM_CONDITIONAL([LINUX],   [AS_CASE([$host_os], [linux*],   [true], [false])])
+AM_CONDITIONAL([NETBSD],  [AS_CASE([$host_os], [netbsd*],  [true], [false])])
+AM_CONDITIONAL([OPENBSD], [AS_CASE([$host_os], [openbsd*], [true], [false])])
+AM_CONDITIONAL([SUNOS],   [AS_CASE([$host_os], [solaris*], [true], [false])])
+AM_CONDITIONAL([WINNT],   [AS_CASE([$host_os], [mingw*],   [true], [false])])
+PANDORA_ENABLE_DTRACE
+AC_CHECK_PROG(PKG_CONFIG, pkg-config, yes)
+AM_CONDITIONAL([HAVE_PKG_CONFIG], [test "x$PKG_CONFIG" = "xyes"])
+AS_IF([test "x$PKG_CONFIG" = "xyes"], [
+    AC_CONFIG_FILES([libuv.pc])
+])
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT

third-party/libuv/gyp_uv.py

@@ -0,0 +1,99 @@
+#!/usr/bin/env python
+
+import glob
+import platform
+import os
+import subprocess
+import sys
+
+CC = os.environ.get('CC', 'cc')
+script_dir = os.path.dirname(__file__)
+uv_root = os.path.normpath(script_dir)
+output_dir = os.path.join(os.path.abspath(uv_root), 'out')
+
+sys.path.insert(0, os.path.join(uv_root, 'build', 'gyp', 'pylib'))
+try:
+  import gyp
+except ImportError:
+  print('You need to install gyp in build/gyp first. See the README.')
+  sys.exit(42)
+
+
+def host_arch():
+  machine = platform.machine()
+  if machine == 'i386': return 'ia32'
+  if machine == 'x86_64': return 'x64'
+  if machine.startswith('arm'): return 'arm'
+  if machine.startswith('mips'): return 'mips'
+  return machine  # Return as-is and hope for the best.
+
+
+def compiler_version():
+  proc = subprocess.Popen(CC.split() + ['--version'], stdout=subprocess.PIPE)
+  is_clang = 'clang' in proc.communicate()[0].split('\n')[0]
+  proc = subprocess.Popen(CC.split() + ['-dumpversion'], stdout=subprocess.PIPE)
+  version = proc.communicate()[0].split('.')
+  version = map(int, version[:2])
+  version = tuple(version)
+  return (version, is_clang)
+
+
+def run_gyp(args):
+  rc = gyp.main(args)
+  if rc != 0:
+    print 'Error running GYP'
+    sys.exit(rc)
+
+
+if __name__ == '__main__':
+  args = sys.argv[1:]
+
+  # GYP bug.
+  # On msvs it will crash if it gets an absolute path.
+  # On Mac/make it will crash if it doesn't get an absolute path.
+  if sys.platform == 'win32':
+    args.append(os.path.join(uv_root, 'uv.gyp'))
+    common_fn  = os.path.join(uv_root, 'common.gypi')
+    options_fn = os.path.join(uv_root, 'options.gypi')
+    # we force vs 2010 over 2008 which would otherwise be the default for gyp
+    if not os.environ.get('GYP_MSVS_VERSION'):
+      os.environ['GYP_MSVS_VERSION'] = '2010'
+  else:
+    args.append(os.path.join(os.path.abspath(uv_root), 'uv.gyp'))
+    common_fn  = os.path.join(os.path.abspath(uv_root), 'common.gypi')
+    options_fn = os.path.join(os.path.abspath(uv_root), 'options.gypi')
+
+  if os.path.exists(common_fn):
+    args.extend(['-I', common_fn])
+
+  if os.path.exists(options_fn):
+    args.extend(['-I', options_fn])
+
+  args.append('--depth=' + uv_root)
+
+  # There's a bug with windows which doesn't allow this feature.
+  if sys.platform != 'win32':
+    if '-f' not in args:
+      args.extend('-f make'.split())
+    if 'eclipse' not in args and 'ninja' not in args:
+      args.extend(['-Goutput_dir=' + output_dir])
+      args.extend(['--generator-output', output_dir])
+    (major, minor), is_clang = compiler_version()
+    args.append('-Dgcc_version=%d' % (10 * major + minor))
+    args.append('-Dclang=%d' % int(is_clang))
+
+  if not any(a.startswith('-Dhost_arch=') for a in args):
+    args.append('-Dhost_arch=%s' % host_arch())
+
+  if not any(a.startswith('-Dtarget_arch=') for a in args):
+    args.append('-Dtarget_arch=%s' % host_arch())
+
+  if not any(a.startswith('-Dlibrary=') for a in args):
+    args.append('-Dlibrary=static_library')
+
+  if not any(a.startswith('-Dcomponent=') for a in args):
+    args.append('-Dcomponent=static_library')
+
+  gyp_args = list(args)
+  print gyp_args
+  run_gyp(gyp_args)

third-party/libuv/include/pthread-fixes.h

@@ -0,0 +1,59 @@
+/* Copyright (c) 2013, Sony Mobile Communications AB
+ * Copyright (c) 2012, Google Inc.
+   All rights reserved.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are
+   met:
+
+     * Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+       * Redistributions in binary form must reproduce the above
+   copyright notice, this list of conditions and the following disclaimer
+   in the documentation and/or other materials provided with the
+   distribution.
+       * Neither the name of Google Inc. nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef GOOGLE_BREAKPAD_COMMON_ANDROID_TESTING_PTHREAD_FIXES_H
+#define GOOGLE_BREAKPAD_COMMON_ANDROID_TESTING_PTHREAD_FIXES_H
+
+#include <pthread.h>
+
+
+/*Android doesn't provide pthread_barrier_t for now.*/
+#ifndef PTHREAD_BARRIER_SERIAL_THREAD
+
+/* Anything except 0 will do here.*/
+#define PTHREAD_BARRIER_SERIAL_THREAD  0x12345
+
+typedef struct {
+  pthread_mutex_t  mutex;
+  pthread_cond_t   cond;
+  unsigned         count;
+} pthread_barrier_t;
+
+int pthread_barrier_init(pthread_barrier_t* barrier,
+                         const void* barrier_attr,
+                         unsigned count);
+
+int pthread_barrier_wait(pthread_barrier_t* barrier);
+int pthread_barrier_destroy(pthread_barrier_t *barrier);
+#endif  /* defined(PTHREAD_BARRIER_SERIAL_THREAD) */
+
+int pthread_yield(void);
+#endif  /* GOOGLE_BREAKPAD_COMMON_ANDROID_TESTING_PTHREAD_FIXES_H */

third-party/libuv/include/stdint-msvc2008.h

@@ -0,0 +1,247 @@
+// ISO C9x  compliant stdint.h for Microsoft Visual Studio
+// Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124 
+// 
+//  Copyright (c) 2006-2008 Alexander Chemeris
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+// 
+//   1. Redistributions of source code must retain the above copyright notice,
+//      this list of conditions and the following disclaimer.
+// 
+//   2. Redistributions in binary form must reproduce the above copyright
+//      notice, this list of conditions and the following disclaimer in the
+//      documentation and/or other materials provided with the distribution.
+// 
+//   3. The name of the author may be used to endorse or promote products
+//      derived from this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
+// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// 
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _MSC_VER // [
+#error "Use this header only with Microsoft Visual C++ compilers!"
+#endif // _MSC_VER ]
+
+#ifndef _MSC_STDINT_H_ // [
+#define _MSC_STDINT_H_
+
+#if _MSC_VER > 1000
+#pragma once
+#endif
+
+#include <limits.h>
+
+// For Visual Studio 6 in C++ mode and for many Visual Studio versions when
+// compiling for ARM we should wrap <wchar.h> include with 'extern "C++" {}'
+// or compiler give many errors like this:
+//   error C2733: second C linkage of overloaded function 'wmemchr' not allowed
+#ifdef __cplusplus
+extern "C" {
+#endif
+#  include <wchar.h>
+#ifdef __cplusplus
+}
+#endif
+
+// Define _W64 macros to mark types changing their size, like intptr_t.
+#ifndef _W64
+#  if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
+#     define _W64 __w64
+#  else
+#     define _W64
+#  endif
+#endif
+
+
+// 7.18.1 Integer types
+
+// 7.18.1.1 Exact-width integer types
+
+// Visual Studio 6 and Embedded Visual C++ 4 doesn't
+// realize that, e.g. char has the same size as __int8
+// so we give up on __intX for them.
+#if (_MSC_VER < 1300)
+   typedef signed char       int8_t;
+   typedef signed short      int16_t;
+   typedef signed int        int32_t;
+   typedef unsigned char     uint8_t;
+   typedef unsigned short    uint16_t;
+   typedef unsigned int      uint32_t;
+#else
+   typedef signed __int8     int8_t;
+   typedef signed __int16    int16_t;
+   typedef signed __int32    int32_t;
+   typedef unsigned __int8   uint8_t;
+   typedef unsigned __int16  uint16_t;
+   typedef unsigned __int32  uint32_t;
+#endif
+typedef signed __int64       int64_t;
+typedef unsigned __int64     uint64_t;
+
+
+// 7.18.1.2 Minimum-width integer types
+typedef int8_t    int_least8_t;
+typedef int16_t   int_least16_t;
+typedef int32_t   int_least32_t;
+typedef int64_t   int_least64_t;
+typedef uint8_t   uint_least8_t;
+typedef uint16_t  uint_least16_t;
+typedef uint32_t  uint_least32_t;
+typedef uint64_t  uint_least64_t;
+
+// 7.18.1.3 Fastest minimum-width integer types
+typedef int8_t    int_fast8_t;
+typedef int16_t   int_fast16_t;
+typedef int32_t   int_fast32_t;
+typedef int64_t   int_fast64_t;
+typedef uint8_t   uint_fast8_t;
+typedef uint16_t  uint_fast16_t;
+typedef uint32_t  uint_fast32_t;
+typedef uint64_t  uint_fast64_t;
+
+// 7.18.1.4 Integer types capable of holding object pointers
+#ifdef _WIN64 // [
+   typedef signed __int64    intptr_t;
+   typedef unsigned __int64  uintptr_t;
+#else // _WIN64 ][
+   typedef _W64 signed int   intptr_t;
+   typedef _W64 unsigned int uintptr_t;
+#endif // _WIN64 ]
+
+// 7.18.1.5 Greatest-width integer types
+typedef int64_t   intmax_t;
+typedef uint64_t  uintmax_t;
+
+
+// 7.18.2 Limits of specified-width integer types
+
+#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [   See footnote 220 at page 257 and footnote 221 at page 259
+
+// 7.18.2.1 Limits of exact-width integer types
+#define INT8_MIN     ((int8_t)_I8_MIN)
+#define INT8_MAX     _I8_MAX
+#define INT16_MIN    ((int16_t)_I16_MIN)
+#define INT16_MAX    _I16_MAX
+#define INT32_MIN    ((int32_t)_I32_MIN)
+#define INT32_MAX    _I32_MAX
+#define INT64_MIN    ((int64_t)_I64_MIN)
+#define INT64_MAX    _I64_MAX
+#define UINT8_MAX    _UI8_MAX
+#define UINT16_MAX   _UI16_MAX
+#define UINT32_MAX   _UI32_MAX
+#define UINT64_MAX   _UI64_MAX
+
+// 7.18.2.2 Limits of minimum-width integer types
+#define INT_LEAST8_MIN    INT8_MIN
+#define INT_LEAST8_MAX    INT8_MAX
+#define INT_LEAST16_MIN   INT16_MIN
+#define INT_LEAST16_MAX   INT16_MAX
+#define INT_LEAST32_MIN   INT32_MIN
+#define INT_LEAST32_MAX   INT32_MAX
+#define INT_LEAST64_MIN   INT64_MIN
+#define INT_LEAST64_MAX   INT64_MAX
+#define UINT_LEAST8_MAX   UINT8_MAX
+#define UINT_LEAST16_MAX  UINT16_MAX
+#define UINT_LEAST32_MAX  UINT32_MAX
+#define UINT_LEAST64_MAX  UINT64_MAX
+
+// 7.18.2.3 Limits of fastest minimum-width integer types
+#define INT_FAST8_MIN    INT8_MIN
+#define INT_FAST8_MAX    INT8_MAX
+#define INT_FAST16_MIN   INT16_MIN
+#define INT_FAST16_MAX   INT16_MAX
+#define INT_FAST32_MIN   INT32_MIN
+#define INT_FAST32_MAX   INT32_MAX
+#define INT_FAST64_MIN   INT64_MIN
+#define INT_FAST64_MAX   INT64_MAX
+#define UINT_FAST8_MAX   UINT8_MAX
+#define UINT_FAST16_MAX  UINT16_MAX
+#define UINT_FAST32_MAX  UINT32_MAX
+#define UINT_FAST64_MAX  UINT64_MAX
+
+// 7.18.2.4 Limits of integer types capable of holding object pointers
+#ifdef _WIN64 // [
+#  define INTPTR_MIN   INT64_MIN
+#  define INTPTR_MAX   INT64_MAX
+#  define UINTPTR_MAX  UINT64_MAX
+#else // _WIN64 ][
+#  define INTPTR_MIN   INT32_MIN
+#  define INTPTR_MAX   INT32_MAX
+#  define UINTPTR_MAX  UINT32_MAX
+#endif // _WIN64 ]
+
+// 7.18.2.5 Limits of greatest-width integer types
+#define INTMAX_MIN   INT64_MIN
+#define INTMAX_MAX   INT64_MAX
+#define UINTMAX_MAX  UINT64_MAX
+
+// 7.18.3 Limits of other integer types
+
+#ifdef _WIN64 // [
+#  define PTRDIFF_MIN  _I64_MIN
+#  define PTRDIFF_MAX  _I64_MAX
+#else  // _WIN64 ][
+#  define PTRDIFF_MIN  _I32_MIN
+#  define PTRDIFF_MAX  _I32_MAX
+#endif  // _WIN64 ]
+
+#define SIG_ATOMIC_MIN  INT_MIN
+#define SIG_ATOMIC_MAX  INT_MAX
+
+#ifndef SIZE_MAX // [
+#  ifdef _WIN64 // [
+#     define SIZE_MAX  _UI64_MAX
+#  else // _WIN64 ][
+#     define SIZE_MAX  _UI32_MAX
+#  endif // _WIN64 ]
+#endif // SIZE_MAX ]
+
+// WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>
+#ifndef WCHAR_MIN // [
+#  define WCHAR_MIN  0
+#endif  // WCHAR_MIN ]
+#ifndef WCHAR_MAX // [
+#  define WCHAR_MAX  _UI16_MAX
+#endif  // WCHAR_MAX ]
+
+#define WINT_MIN  0
+#define WINT_MAX  _UI16_MAX
+
+#endif // __STDC_LIMIT_MACROS ]
+
+
+// 7.18.4 Limits of other integer types
+
+#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [   See footnote 224 at page 260
+
+// 7.18.4.1 Macros for minimum-width integer constants
+
+#define INT8_C(val)  val##i8
+#define INT16_C(val) val##i16
+#define INT32_C(val) val##i32
+#define INT64_C(val) val##i64
+
+#define UINT8_C(val)  val##ui8
+#define UINT16_C(val) val##ui16
+#define UINT32_C(val) val##ui32
+#define UINT64_C(val) val##ui64
+
+// 7.18.4.2 Macros for greatest-width integer constants
+#define INTMAX_C   INT64_C
+#define UINTMAX_C  UINT64_C
+
+#endif // __STDC_CONSTANT_MACROS ]
+
+
+#endif // _MSC_STDINT_H_ ]

third-party/libuv/include/tree.h

@@ -0,0 +1,768 @@
+/*-
+ * Copyright 2002 Niels Provos <provos@citi.umich.edu>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef  UV_TREE_H_
+#define  UV_TREE_H_
+
+#ifndef UV__UNUSED
+# if __GNUC__
+#  define UV__UNUSED __attribute__((unused))
+# else
+#  define UV__UNUSED
+# endif
+#endif
+
+/*
+ * This file defines data structures for different types of trees:
+ * splay trees and red-black trees.
+ *
+ * A splay tree is a self-organizing data structure.  Every operation
+ * on the tree causes a splay to happen.  The splay moves the requested
+ * node to the root of the tree and partly rebalances it.
+ *
+ * This has the benefit that request locality causes faster lookups as
+ * the requested nodes move to the top of the tree.  On the other hand,
+ * every lookup causes memory writes.
+ *
+ * The Balance Theorem bounds the total access time for m operations
+ * and n inserts on an initially empty tree as O((m + n)lg n).  The
+ * amortized cost for a sequence of m accesses to a splay tree is O(lg n);
+ *
+ * A red-black tree is a binary search tree with the node color as an
+ * extra attribute.  It fulfills a set of conditions:
+ *  - every search path from the root to a leaf consists of the
+ *    same number of black nodes,
+ *  - each red node (except for the root) has a black parent,
+ *  - each leaf node is black.
+ *
+ * Every operation on a red-black tree is bounded as O(lg n).
+ * The maximum height of a red-black tree is 2lg (n+1).
+ */
+
+#define SPLAY_HEAD(name, type)                                                \
+struct name {                                                                 \
+  struct type *sph_root; /* root of the tree */                               \
+}
+
+#define SPLAY_INITIALIZER(root)                                               \
+  { NULL }
+
+#define SPLAY_INIT(root) do {                                                 \
+  (root)->sph_root = NULL;                                                    \
+} while (/*CONSTCOND*/ 0)
+
+#define SPLAY_ENTRY(type)                                                     \
+struct {                                                                      \
+  struct type *spe_left;          /* left element */                          \
+  struct type *spe_right;         /* right element */                         \
+}
+
+#define SPLAY_LEFT(elm, field)    (elm)->field.spe_left
+#define SPLAY_RIGHT(elm, field)   (elm)->field.spe_right
+#define SPLAY_ROOT(head)          (head)->sph_root
+#define SPLAY_EMPTY(head)         (SPLAY_ROOT(head) == NULL)
+
+/* SPLAY_ROTATE_{LEFT,RIGHT} expect that tmp hold SPLAY_{RIGHT,LEFT} */
+#define SPLAY_ROTATE_RIGHT(head, tmp, field) do {                             \
+  SPLAY_LEFT((head)->sph_root, field) = SPLAY_RIGHT(tmp, field);              \
+  SPLAY_RIGHT(tmp, field) = (head)->sph_root;                                 \
+  (head)->sph_root = tmp;                                                     \
+} while (/*CONSTCOND*/ 0)
+
+#define SPLAY_ROTATE_LEFT(head, tmp, field) do {                              \
+  SPLAY_RIGHT((head)->sph_root, field) = SPLAY_LEFT(tmp, field);              \
+  SPLAY_LEFT(tmp, field) = (head)->sph_root;                                  \
+  (head)->sph_root = tmp;                                                     \
+} while (/*CONSTCOND*/ 0)
+
+#define SPLAY_LINKLEFT(head, tmp, field) do {                                 \
+  SPLAY_LEFT(tmp, field) = (head)->sph_root;                                  \
+  tmp = (head)->sph_root;                                                     \
+  (head)->sph_root = SPLAY_LEFT((head)->sph_root, field);                     \
+} while (/*CONSTCOND*/ 0)
+
+#define SPLAY_LINKRIGHT(head, tmp, field) do {                                \
+  SPLAY_RIGHT(tmp, field) = (head)->sph_root;                                 \
+  tmp = (head)->sph_root;                                                     \
+  (head)->sph_root = SPLAY_RIGHT((head)->sph_root, field);                    \
+} while (/*CONSTCOND*/ 0)
+
+#define SPLAY_ASSEMBLE(head, node, left, right, field) do {                   \
+  SPLAY_RIGHT(left, field) = SPLAY_LEFT((head)->sph_root, field);             \
+  SPLAY_LEFT(right, field) = SPLAY_RIGHT((head)->sph_root, field);            \
+  SPLAY_LEFT((head)->sph_root, field) = SPLAY_RIGHT(node, field);             \
+  SPLAY_RIGHT((head)->sph_root, field) = SPLAY_LEFT(node, field);             \
+} while (/*CONSTCOND*/ 0)
+
+/* Generates prototypes and inline functions */
+
+#define SPLAY_PROTOTYPE(name, type, field, cmp)                               \
+void name##_SPLAY(struct name *, struct type *);                              \
+void name##_SPLAY_MINMAX(struct name *, int);                                 \
+struct type *name##_SPLAY_INSERT(struct name *, struct type *);               \
+struct type *name##_SPLAY_REMOVE(struct name *, struct type *);               \
+                                                                              \
+/* Finds the node with the same key as elm */                                 \
+static __inline struct type *                                                 \
+name##_SPLAY_FIND(struct name *head, struct type *elm)                        \
+{                                                                             \
+  if (SPLAY_EMPTY(head))                                                      \
+    return(NULL);                                                             \
+  name##_SPLAY(head, elm);                                                    \
+  if ((cmp)(elm, (head)->sph_root) == 0)                                      \
+    return (head->sph_root);                                                  \
+  return (NULL);                                                              \
+}                                                                             \
+                                                                              \
+static __inline struct type *                                                 \
+name##_SPLAY_NEXT(struct name *head, struct type *elm)                        \
+{                                                                             \
+  name##_SPLAY(head, elm);                                                    \
+  if (SPLAY_RIGHT(elm, field) != NULL) {                                      \
+    elm = SPLAY_RIGHT(elm, field);                                            \
+    while (SPLAY_LEFT(elm, field) != NULL) {                                  \
+      elm = SPLAY_LEFT(elm, field);                                           \
+    }                                                                         \
+  } else                                                                      \
+    elm = NULL;                                                               \
+  return (elm);                                                               \
+}                                                                             \
+                                                                              \
+static __inline struct type *                                                 \
+name##_SPLAY_MIN_MAX(struct name *head, int val)                              \
+{                                                                             \
+  name##_SPLAY_MINMAX(head, val);                                             \
+  return (SPLAY_ROOT(head));                                                  \
+}
+
+/* Main splay operation.
+ * Moves node close to the key of elm to top
+ */
+#define SPLAY_GENERATE(name, type, field, cmp)                                \
+struct type *                                                                 \
+name##_SPLAY_INSERT(struct name *head, struct type *elm)                      \
+{                                                                             \
+    if (SPLAY_EMPTY(head)) {                                                  \
+      SPLAY_LEFT(elm, field) = SPLAY_RIGHT(elm, field) = NULL;                \
+    } else {                                                                  \
+      int __comp;                                                             \
+      name##_SPLAY(head, elm);                                                \
+      __comp = (cmp)(elm, (head)->sph_root);                                  \
+      if(__comp < 0) {                                                        \
+        SPLAY_LEFT(elm, field) = SPLAY_LEFT((head)->sph_root, field);         \
+        SPLAY_RIGHT(elm, field) = (head)->sph_root;                           \
+        SPLAY_LEFT((head)->sph_root, field) = NULL;                           \
+      } else if (__comp > 0) {                                                \
+        SPLAY_RIGHT(elm, field) = SPLAY_RIGHT((head)->sph_root, field);       \
+        SPLAY_LEFT(elm, field) = (head)->sph_root;                            \
+        SPLAY_RIGHT((head)->sph_root, field) = NULL;                          \
+      } else                                                                  \
+        return ((head)->sph_root);                                            \
+    }                                                                         \
+    (head)->sph_root = (elm);                                                 \
+    return (NULL);                                                            \
+}                                                                             \
+                                                                              \
+struct type *                                                                 \
+name##_SPLAY_REMOVE(struct name *head, struct type *elm)                      \
+{                                                                             \
+  struct type *__tmp;                                                         \
+  if (SPLAY_EMPTY(head))                                                      \
+    return (NULL);                                                            \
+  name##_SPLAY(head, elm);                                                    \
+  if ((cmp)(elm, (head)->sph_root) == 0) {                                    \
+    if (SPLAY_LEFT((head)->sph_root, field) == NULL) {                        \
+      (head)->sph_root = SPLAY_RIGHT((head)->sph_root, field);                \
+    } else {                                                                  \
+      __tmp = SPLAY_RIGHT((head)->sph_root, field);                           \
+      (head)->sph_root = SPLAY_LEFT((head)->sph_root, field);                 \
+      name##_SPLAY(head, elm);                                                \
+      SPLAY_RIGHT((head)->sph_root, field) = __tmp;                           \
+    }                                                                         \
+    return (elm);                                                             \
+  }                                                                           \
+  return (NULL);                                                              \
+}                                                                             \
+                                                                              \
+void                                                                          \
+name##_SPLAY(struct name *head, struct type *elm)                             \
+{                                                                             \
+  struct type __node, *__left, *__right, *__tmp;                              \
+  int __comp;                                                                 \
+                                                                              \
+  SPLAY_LEFT(&__node, field) = SPLAY_RIGHT(&__node, field) = NULL;            \
+  __left = __right = &__node;                                                 \
+                                                                              \
+  while ((__comp = (cmp)(elm, (head)->sph_root)) != 0) {                      \
+    if (__comp < 0) {                                                         \
+      __tmp = SPLAY_LEFT((head)->sph_root, field);                            \
+      if (__tmp == NULL)                                                      \
+        break;                                                                \
+      if ((cmp)(elm, __tmp) < 0){                                             \
+        SPLAY_ROTATE_RIGHT(head, __tmp, field);                               \
+        if (SPLAY_LEFT((head)->sph_root, field) == NULL)                      \
+          break;                                                              \
+      }                                                                       \
+      SPLAY_LINKLEFT(head, __right, field);                                   \
+    } else if (__comp > 0) {                                                  \
+      __tmp = SPLAY_RIGHT((head)->sph_root, field);                           \
+      if (__tmp == NULL)                                                      \
+        break;                                                                \
+      if ((cmp)(elm, __tmp) > 0){                                             \
+        SPLAY_ROTATE_LEFT(head, __tmp, field);                                \
+        if (SPLAY_RIGHT((head)->sph_root, field) == NULL)                     \
+          break;                                                              \
+      }                                                                       \
+      SPLAY_LINKRIGHT(head, __left, field);                                   \
+    }                                                                         \
+  }                                                                           \
+  SPLAY_ASSEMBLE(head, &__node, __left, __right, field);                      \
+}                                                                             \
+                                                                              \
+/* Splay with either the minimum or the maximum element                       \
+ * Used to find minimum or maximum element in tree.                           \
+ */                                                                           \
+void name##_SPLAY_MINMAX(struct name *head, int __comp)                       \
+{                                                                             \
+  struct type __node, *__left, *__right, *__tmp;                              \
+                                                                              \
+  SPLAY_LEFT(&__node, field) = SPLAY_RIGHT(&__node, field) = NULL;            \
+  __left = __right = &__node;                                                 \
+                                                                              \
+  while (1) {                                                                 \
+    if (__comp < 0) {                                                         \
+      __tmp = SPLAY_LEFT((head)->sph_root, field);                            \
+      if (__tmp == NULL)                                                      \
+        break;                                                                \
+      if (__comp < 0){                                                        \
+        SPLAY_ROTATE_RIGHT(head, __tmp, field);                               \
+        if (SPLAY_LEFT((head)->sph_root, field) == NULL)                      \
+          break;                                                              \
+      }                                                                       \
+      SPLAY_LINKLEFT(head, __right, field);                                   \
+    } else if (__comp > 0) {                                                  \
+      __tmp = SPLAY_RIGHT((head)->sph_root, field);                           \
+      if (__tmp == NULL)                                                      \
+        break;                                                                \
+      if (__comp > 0) {                                                       \
+        SPLAY_ROTATE_LEFT(head, __tmp, field);                                \
+        if (SPLAY_RIGHT((head)->sph_root, field) == NULL)                     \
+          break;                                                              \
+      }                                                                       \
+      SPLAY_LINKRIGHT(head, __left, field);                                   \
+    }                                                                         \
+  }                                                                           \
+  SPLAY_ASSEMBLE(head, &__node, __left, __right, field);                      \
+}
+
+#define SPLAY_NEGINF  -1
+#define SPLAY_INF     1
+
+#define SPLAY_INSERT(name, x, y)  name##_SPLAY_INSERT(x, y)
+#define SPLAY_REMOVE(name, x, y)  name##_SPLAY_REMOVE(x, y)
+#define SPLAY_FIND(name, x, y)    name##_SPLAY_FIND(x, y)
+#define SPLAY_NEXT(name, x, y)    name##_SPLAY_NEXT(x, y)
+#define SPLAY_MIN(name, x)        (SPLAY_EMPTY(x) ? NULL                      \
+                                  : name##_SPLAY_MIN_MAX(x, SPLAY_NEGINF))
+#define SPLAY_MAX(name, x)        (SPLAY_EMPTY(x) ? NULL                      \
+                                  : name##_SPLAY_MIN_MAX(x, SPLAY_INF))
+
+#define SPLAY_FOREACH(x, name, head)                                          \
+  for ((x) = SPLAY_MIN(name, head);                                           \
+       (x) != NULL;                                                           \
+       (x) = SPLAY_NEXT(name, head, x))
+
+/* Macros that define a red-black tree */
+#define RB_HEAD(name, type)                                                   \
+struct name {                                                                 \
+  struct type *rbh_root; /* root of the tree */                               \
+}
+
+#define RB_INITIALIZER(root)                                                  \
+  { NULL }
+
+#define RB_INIT(root) do {                                                    \
+  (root)->rbh_root = NULL;                                                    \
+} while (/*CONSTCOND*/ 0)
+
+#define RB_BLACK  0
+#define RB_RED    1
+#define RB_ENTRY(type)                                                        \
+struct {                                                                      \
+  struct type *rbe_left;        /* left element */                            \
+  struct type *rbe_right;       /* right element */                           \
+  struct type *rbe_parent;      /* parent element */                          \
+  int rbe_color;                /* node color */                              \
+}
+
+#define RB_LEFT(elm, field)     (elm)->field.rbe_left
+#define RB_RIGHT(elm, field)    (elm)->field.rbe_right
+#define RB_PARENT(elm, field)   (elm)->field.rbe_parent
+#define RB_COLOR(elm, field)    (elm)->field.rbe_color
+#define RB_ROOT(head)           (head)->rbh_root
+#define RB_EMPTY(head)          (RB_ROOT(head) == NULL)
+
+#define RB_SET(elm, parent, field) do {                                       \
+  RB_PARENT(elm, field) = parent;                                             \
+  RB_LEFT(elm, field) = RB_RIGHT(elm, field) = NULL;                          \
+  RB_COLOR(elm, field) = RB_RED;                                              \
+} while (/*CONSTCOND*/ 0)
+
+#define RB_SET_BLACKRED(black, red, field) do {                               \
+  RB_COLOR(black, field) = RB_BLACK;                                          \
+  RB_COLOR(red, field) = RB_RED;                                              \
+} while (/*CONSTCOND*/ 0)
+
+#ifndef RB_AUGMENT
+#define RB_AUGMENT(x)  do {} while (0)
+#endif
+
+#define RB_ROTATE_LEFT(head, elm, tmp, field) do {                            \
+  (tmp) = RB_RIGHT(elm, field);                                               \
+  if ((RB_RIGHT(elm, field) = RB_LEFT(tmp, field)) != NULL) {                 \
+    RB_PARENT(RB_LEFT(tmp, field), field) = (elm);                            \
+  }                                                                           \
+  RB_AUGMENT(elm);                                                            \
+  if ((RB_PARENT(tmp, field) = RB_PARENT(elm, field)) != NULL) {              \
+    if ((elm) == RB_LEFT(RB_PARENT(elm, field), field))                       \
+      RB_LEFT(RB_PARENT(elm, field), field) = (tmp);                          \
+    else                                                                      \
+      RB_RIGHT(RB_PARENT(elm, field), field) = (tmp);                         \
+  } else                                                                      \
+    (head)->rbh_root = (tmp);                                                 \
+  RB_LEFT(tmp, field) = (elm);                                                \
+  RB_PARENT(elm, field) = (tmp);                                              \
+  RB_AUGMENT(tmp);                                                            \
+  if ((RB_PARENT(tmp, field)))                                                \
+    RB_AUGMENT(RB_PARENT(tmp, field));                                        \
+} while (/*CONSTCOND*/ 0)
+
+#define RB_ROTATE_RIGHT(head, elm, tmp, field) do {                           \
+  (tmp) = RB_LEFT(elm, field);                                                \
+  if ((RB_LEFT(elm, field) = RB_RIGHT(tmp, field)) != NULL) {                 \
+    RB_PARENT(RB_RIGHT(tmp, field), field) = (elm);                           \
+  }                                                                           \
+  RB_AUGMENT(elm);                                                            \
+  if ((RB_PARENT(tmp, field) = RB_PARENT(elm, field)) != NULL) {              \
+    if ((elm) == RB_LEFT(RB_PARENT(elm, field), field))                       \
+      RB_LEFT(RB_PARENT(elm, field), field) = (tmp);                          \
+    else                                                                      \
+      RB_RIGHT(RB_PARENT(elm, field), field) = (tmp);                         \
+  } else                                                                      \
+    (head)->rbh_root = (tmp);                                                 \
+  RB_RIGHT(tmp, field) = (elm);                                               \
+  RB_PARENT(elm, field) = (tmp);                                              \
+  RB_AUGMENT(tmp);                                                            \
+  if ((RB_PARENT(tmp, field)))                                                \
+    RB_AUGMENT(RB_PARENT(tmp, field));                                        \
+} while (/*CONSTCOND*/ 0)
+
+/* Generates prototypes and inline functions */
+#define  RB_PROTOTYPE(name, type, field, cmp)                                 \
+  RB_PROTOTYPE_INTERNAL(name, type, field, cmp,)
+#define  RB_PROTOTYPE_STATIC(name, type, field, cmp)                          \
+  RB_PROTOTYPE_INTERNAL(name, type, field, cmp, UV__UNUSED static)
+#define RB_PROTOTYPE_INTERNAL(name, type, field, cmp, attr)                   \
+attr void name##_RB_INSERT_COLOR(struct name *, struct type *);               \
+attr void name##_RB_REMOVE_COLOR(struct name *, struct type *, struct type *);\
+attr struct type *name##_RB_REMOVE(struct name *, struct type *);             \
+attr struct type *name##_RB_INSERT(struct name *, struct type *);             \
+attr struct type *name##_RB_FIND(struct name *, struct type *);               \
+attr struct type *name##_RB_NFIND(struct name *, struct type *);              \
+attr struct type *name##_RB_NEXT(struct type *);                              \
+attr struct type *name##_RB_PREV(struct type *);                              \
+attr struct type *name##_RB_MINMAX(struct name *, int);                       \
+                                                                              \
+
+/* Main rb operation.
+ * Moves node close to the key of elm to top
+ */
+#define  RB_GENERATE(name, type, field, cmp)                                  \
+  RB_GENERATE_INTERNAL(name, type, field, cmp,)
+#define  RB_GENERATE_STATIC(name, type, field, cmp)                           \
+  RB_GENERATE_INTERNAL(name, type, field, cmp, UV__UNUSED static)
+#define RB_GENERATE_INTERNAL(name, type, field, cmp, attr)                    \
+attr void                                                                     \
+name##_RB_INSERT_COLOR(struct name *head, struct type *elm)                   \
+{                                                                             \
+  struct type *parent, *gparent, *tmp;                                        \
+  while ((parent = RB_PARENT(elm, field)) != NULL &&                          \
+      RB_COLOR(parent, field) == RB_RED) {                                    \
+    gparent = RB_PARENT(parent, field);                                       \
+    if (parent == RB_LEFT(gparent, field)) {                                  \
+      tmp = RB_RIGHT(gparent, field);                                         \
+      if (tmp && RB_COLOR(tmp, field) == RB_RED) {                            \
+        RB_COLOR(tmp, field) = RB_BLACK;                                      \
+        RB_SET_BLACKRED(parent, gparent, field);                              \
+        elm = gparent;                                                        \
+        continue;                                                             \
+      }                                                                       \
+      if (RB_RIGHT(parent, field) == elm) {                                   \
+        RB_ROTATE_LEFT(head, parent, tmp, field);                             \
+        tmp = parent;                                                         \
+        parent = elm;                                                         \
+        elm = tmp;                                                            \
+      }                                                                       \
+      RB_SET_BLACKRED(parent, gparent, field);                                \
+      RB_ROTATE_RIGHT(head, gparent, tmp, field);                             \
+    } else {                                                                  \
+      tmp = RB_LEFT(gparent, field);                                          \
+      if (tmp && RB_COLOR(tmp, field) == RB_RED) {                            \
+        RB_COLOR(tmp, field) = RB_BLACK;                                      \
+        RB_SET_BLACKRED(parent, gparent, field);                              \
+        elm = gparent;                                                        \
+        continue;                                                             \
+      }                                                                       \
+      if (RB_LEFT(parent, field) == elm) {                                    \
+        RB_ROTATE_RIGHT(head, parent, tmp, field);                            \
+        tmp = parent;                                                         \
+        parent = elm;                                                         \
+        elm = tmp;                                                            \
+      }                                                                       \
+      RB_SET_BLACKRED(parent, gparent, field);                                \
+      RB_ROTATE_LEFT(head, gparent, tmp, field);                              \
+    }                                                                         \
+  }                                                                           \
+  RB_COLOR(head->rbh_root, field) = RB_BLACK;                                 \
+}                                                                             \
+                                                                              \
+attr void                                                                     \
+name##_RB_REMOVE_COLOR(struct name *head, struct type *parent,                \
+    struct type *elm)                                                         \
+{                                                                             \
+  struct type *tmp;                                                           \
+  while ((elm == NULL || RB_COLOR(elm, field) == RB_BLACK) &&                 \
+      elm != RB_ROOT(head)) {                                                 \
+    if (RB_LEFT(parent, field) == elm) {                                      \
+      tmp = RB_RIGHT(parent, field);                                          \
+      if (RB_COLOR(tmp, field) == RB_RED) {                                   \
+        RB_SET_BLACKRED(tmp, parent, field);                                  \
+        RB_ROTATE_LEFT(head, parent, tmp, field);                             \
+        tmp = RB_RIGHT(parent, field);                                        \
+      }                                                                       \
+      if ((RB_LEFT(tmp, field) == NULL ||                                     \
+          RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) &&                \
+          (RB_RIGHT(tmp, field) == NULL ||                                    \
+          RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK)) {               \
+        RB_COLOR(tmp, field) = RB_RED;                                        \
+        elm = parent;                                                         \
+        parent = RB_PARENT(elm, field);                                       \
+      } else {                                                                \
+        if (RB_RIGHT(tmp, field) == NULL ||                                   \
+            RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK) {              \
+          struct type *oleft;                                                 \
+          if ((oleft = RB_LEFT(tmp, field))                                   \
+              != NULL)                                                        \
+            RB_COLOR(oleft, field) = RB_BLACK;                                \
+          RB_COLOR(tmp, field) = RB_RED;                                      \
+          RB_ROTATE_RIGHT(head, tmp, oleft, field);                           \
+          tmp = RB_RIGHT(parent, field);                                      \
+        }                                                                     \
+        RB_COLOR(tmp, field) = RB_COLOR(parent, field);                       \
+        RB_COLOR(parent, field) = RB_BLACK;                                   \
+        if (RB_RIGHT(tmp, field))                                             \
+          RB_COLOR(RB_RIGHT(tmp, field), field) = RB_BLACK;                   \
+        RB_ROTATE_LEFT(head, parent, tmp, field);                             \
+        elm = RB_ROOT(head);                                                  \
+        break;                                                                \
+      }                                                                       \
+    } else {                                                                  \
+      tmp = RB_LEFT(parent, field);                                           \
+      if (RB_COLOR(tmp, field) == RB_RED) {                                   \
+        RB_SET_BLACKRED(tmp, parent, field);                                  \
+        RB_ROTATE_RIGHT(head, parent, tmp, field);                            \
+        tmp = RB_LEFT(parent, field);                                         \
+      }                                                                       \
+      if ((RB_LEFT(tmp, field) == NULL ||                                     \
+          RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) &&                \
+          (RB_RIGHT(tmp, field) == NULL ||                                    \
+          RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK)) {               \
+        RB_COLOR(tmp, field) = RB_RED;                                        \
+        elm = parent;                                                         \
+        parent = RB_PARENT(elm, field);                                       \
+      } else {                                                                \
+        if (RB_LEFT(tmp, field) == NULL ||                                    \
+            RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) {               \
+          struct type *oright;                                                \
+          if ((oright = RB_RIGHT(tmp, field))                                 \
+              != NULL)                                                        \
+            RB_COLOR(oright, field) = RB_BLACK;                               \
+          RB_COLOR(tmp, field) = RB_RED;                                      \
+          RB_ROTATE_LEFT(head, tmp, oright, field);                           \
+          tmp = RB_LEFT(parent, field);                                       \
+        }                                                                     \
+        RB_COLOR(tmp, field) = RB_COLOR(parent, field);                       \
+        RB_COLOR(parent, field) = RB_BLACK;                                   \
+        if (RB_LEFT(tmp, field))                                              \
+          RB_COLOR(RB_LEFT(tmp, field), field) = RB_BLACK;                    \
+        RB_ROTATE_RIGHT(head, parent, tmp, field);                            \
+        elm = RB_ROOT(head);                                                  \
+        break;                                                                \
+      }                                                                       \
+    }                                                                         \
+  }                                                                           \
+  if (elm)                                                                    \
+    RB_COLOR(elm, field) = RB_BLACK;                                          \
+}                                                                             \
+                                                                              \
+attr struct type *                                                            \
+name##_RB_REMOVE(struct name *head, struct type *elm)                         \
+{                                                                             \
+  struct type *child, *parent, *old = elm;                                    \
+  int color;                                                                  \
+  if (RB_LEFT(elm, field) == NULL)                                            \
+    child = RB_RIGHT(elm, field);                                             \
+  else if (RB_RIGHT(elm, field) == NULL)                                      \
+    child = RB_LEFT(elm, field);                                              \
+  else {                                                                      \
+    struct type *left;                                                        \
+    elm = RB_RIGHT(elm, field);                                               \
+    while ((left = RB_LEFT(elm, field)) != NULL)                              \
+      elm = left;                                                             \
+    child = RB_RIGHT(elm, field);                                             \
+    parent = RB_PARENT(elm, field);                                           \
+    color = RB_COLOR(elm, field);                                             \
+    if (child)                                                                \
+      RB_PARENT(child, field) = parent;                                       \
+    if (parent) {                                                             \
+      if (RB_LEFT(parent, field) == elm)                                      \
+        RB_LEFT(parent, field) = child;                                       \
+      else                                                                    \
+        RB_RIGHT(parent, field) = child;                                      \
+      RB_AUGMENT(parent);                                                     \
+    } else                                                                    \
+      RB_ROOT(head) = child;                                                  \
+    if (RB_PARENT(elm, field) == old)                                         \
+      parent = elm;                                                           \
+    (elm)->field = (old)->field;                                              \
+    if (RB_PARENT(old, field)) {                                              \
+      if (RB_LEFT(RB_PARENT(old, field), field) == old)                       \
+        RB_LEFT(RB_PARENT(old, field), field) = elm;                          \
+      else                                                                    \
+        RB_RIGHT(RB_PARENT(old, field), field) = elm;                         \
+      RB_AUGMENT(RB_PARENT(old, field));                                      \
+    } else                                                                    \
+      RB_ROOT(head) = elm;                                                    \
+    RB_PARENT(RB_LEFT(old, field), field) = elm;                              \
+    if (RB_RIGHT(old, field))                                                 \
+      RB_PARENT(RB_RIGHT(old, field), field) = elm;                           \
+    if (parent) {                                                             \
+      left = parent;                                                          \
+      do {                                                                    \
+        RB_AUGMENT(left);                                                     \
+      } while ((left = RB_PARENT(left, field)) != NULL);                      \
+    }                                                                         \
+    goto color;                                                               \
+  }                                                                           \
+  parent = RB_PARENT(elm, field);                                             \
+  color = RB_COLOR(elm, field);                                               \
+  if (child)                                                                  \
+    RB_PARENT(child, field) = parent;                                         \
+  if (parent) {                                                               \
+    if (RB_LEFT(parent, field) == elm)                                        \
+      RB_LEFT(parent, field) = child;                                         \
+    else                                                                      \
+      RB_RIGHT(parent, field) = child;                                        \
+    RB_AUGMENT(parent);                                                       \
+  } else                                                                      \
+    RB_ROOT(head) = child;                                                    \
+color:                                                                        \
+  if (color == RB_BLACK)                                                      \
+    name##_RB_REMOVE_COLOR(head, parent, child);                              \
+  return (old);                                                               \
+}                                                                             \
+                                                                              \
+/* Inserts a node into the RB tree */                                         \
+attr struct type *                                                            \
+name##_RB_INSERT(struct name *head, struct type *elm)                         \
+{                                                                             \
+  struct type *tmp;                                                           \
+  struct type *parent = NULL;                                                 \
+  int comp = 0;                                                               \
+  tmp = RB_ROOT(head);                                                        \
+  while (tmp) {                                                               \
+    parent = tmp;                                                             \
+    comp = (cmp)(elm, parent);                                                \
+    if (comp < 0)                                                             \
+      tmp = RB_LEFT(tmp, field);                                              \
+    else if (comp > 0)                                                        \
+      tmp = RB_RIGHT(tmp, field);                                             \
+    else                                                                      \
+      return (tmp);                                                           \
+  }                                                                           \
+  RB_SET(elm, parent, field);                                                 \
+  if (parent != NULL) {                                                       \
+    if (comp < 0)                                                             \
+      RB_LEFT(parent, field) = elm;                                           \
+    else                                                                      \
+      RB_RIGHT(parent, field) = elm;                                          \
+    RB_AUGMENT(parent);                                                       \
+  } else                                                                      \
+    RB_ROOT(head) = elm;                                                      \
+  name##_RB_INSERT_COLOR(head, elm);                                          \
+  return (NULL);                                                              \
+}                                                                             \
+                                                                              \
+/* Finds the node with the same key as elm */                                 \
+attr struct type *                                                            \
+name##_RB_FIND(struct name *head, struct type *elm)                           \
+{                                                                             \
+  struct type *tmp = RB_ROOT(head);                                           \
+  int comp;                                                                   \
+  while (tmp) {                                                               \
+    comp = cmp(elm, tmp);                                                     \
+    if (comp < 0)                                                             \
+      tmp = RB_LEFT(tmp, field);                                              \
+    else if (comp > 0)                                                        \
+      tmp = RB_RIGHT(tmp, field);                                             \
+    else                                                                      \
+      return (tmp);                                                           \
+  }                                                                           \
+  return (NULL);                                                              \
+}                                                                             \
+                                                                              \
+/* Finds the first node greater than or equal to the search key */            \
+attr struct type *                                                            \
+name##_RB_NFIND(struct name *head, struct type *elm)                          \
+{                                                                             \
+  struct type *tmp = RB_ROOT(head);                                           \
+  struct type *res = NULL;                                                    \
+  int comp;                                                                   \
+  while (tmp) {                                                               \
+    comp = cmp(elm, tmp);                                                     \
+    if (comp < 0) {                                                           \
+      res = tmp;                                                              \
+      tmp = RB_LEFT(tmp, field);                                              \
+    }                                                                         \
+    else if (comp > 0)                                                        \
+      tmp = RB_RIGHT(tmp, field);                                             \
+    else                                                                      \
+      return (tmp);                                                           \
+  }                                                                           \
+  return (res);                                                               \
+}                                                                             \
+                                                                              \
+/* ARGSUSED */                                                                \
+attr struct type *                                                            \
+name##_RB_NEXT(struct type *elm)                                              \
+{                                                                             \
+  if (RB_RIGHT(elm, field)) {                                                 \
+    elm = RB_RIGHT(elm, field);                                               \
+    while (RB_LEFT(elm, field))                                               \
+      elm = RB_LEFT(elm, field);                                              \
+  } else {                                                                    \
+    if (RB_PARENT(elm, field) &&                                              \
+        (elm == RB_LEFT(RB_PARENT(elm, field), field)))                       \
+      elm = RB_PARENT(elm, field);                                            \
+    else {                                                                    \
+      while (RB_PARENT(elm, field) &&                                         \
+          (elm == RB_RIGHT(RB_PARENT(elm, field), field)))                    \
+        elm = RB_PARENT(elm, field);                                          \
+      elm = RB_PARENT(elm, field);                                            \
+    }                                                                         \
+  }                                                                           \
+  return (elm);                                                               \
+}                                                                             \
+                                                                              \
+/* ARGSUSED */                                                                \
+attr struct type *                                                            \
+name##_RB_PREV(struct type *elm)                                              \
+{                                                                             \
+  if (RB_LEFT(elm, field)) {                                                  \
+    elm = RB_LEFT(elm, field);                                                \
+    while (RB_RIGHT(elm, field))                                              \
+      elm = RB_RIGHT(elm, field);                                             \
+  } else {                                                                    \
+    if (RB_PARENT(elm, field) &&                                              \
+        (elm == RB_RIGHT(RB_PARENT(elm, field), field)))                      \
+      elm = RB_PARENT(elm, field);                                            \
+    else {                                                                    \
+      while (RB_PARENT(elm, field) &&                                         \
+          (elm == RB_LEFT(RB_PARENT(elm, field), field)))                     \
+        elm = RB_PARENT(elm, field);                                          \
+      elm = RB_PARENT(elm, field);                                            \
+    }                                                                         \
+  }                                                                           \
+  return (elm);                                                               \
+}                                                                             \
+                                                                              \
+attr struct type *                                                            \
+name##_RB_MINMAX(struct name *head, int val)                                  \
+{                                                                             \
+  struct type *tmp = RB_ROOT(head);                                           \
+  struct type *parent = NULL;                                                 \
+  while (tmp) {                                                               \
+    parent = tmp;                                                             \
+    if (val < 0)                                                              \
+      tmp = RB_LEFT(tmp, field);                                              \
+    else                                                                      \
+      tmp = RB_RIGHT(tmp, field);                                             \
+  }                                                                           \
+  return (parent);                                                            \
+}
+
+#define RB_NEGINF   -1
+#define RB_INF      1
+
+#define RB_INSERT(name, x, y)   name##_RB_INSERT(x, y)
+#define RB_REMOVE(name, x, y)   name##_RB_REMOVE(x, y)
+#define RB_FIND(name, x, y)     name##_RB_FIND(x, y)
+#define RB_NFIND(name, x, y)    name##_RB_NFIND(x, y)
+#define RB_NEXT(name, x, y)     name##_RB_NEXT(y)
+#define RB_PREV(name, x, y)     name##_RB_PREV(y)
+#define RB_MIN(name, x)         name##_RB_MINMAX(x, RB_NEGINF)
+#define RB_MAX(name, x)         name##_RB_MINMAX(x, RB_INF)
+
+#define RB_FOREACH(x, name, head)                                             \
+  for ((x) = RB_MIN(name, head);                                              \
+       (x) != NULL;                                                           \
+       (x) = name##_RB_NEXT(x))
+
+#define RB_FOREACH_FROM(x, name, y)                                           \
+  for ((x) = (y);                                                             \
+      ((x) != NULL) && ((y) = name##_RB_NEXT(x), (x) != NULL);                \
+       (x) = (y))
+
+#define RB_FOREACH_SAFE(x, name, head, y)                                     \
+  for ((x) = RB_MIN(name, head);                                              \
+      ((x) != NULL) && ((y) = name##_RB_NEXT(x), (x) != NULL);                \
+       (x) = (y))
+
+#define RB_FOREACH_REVERSE(x, name, head)                                     \
+  for ((x) = RB_MAX(name, head);                                              \
+       (x) != NULL;                                                           \
+       (x) = name##_RB_PREV(x))
+
+#define RB_FOREACH_REVERSE_FROM(x, name, y)                                   \
+  for ((x) = (y);                                                             \
+      ((x) != NULL) && ((y) = name##_RB_PREV(x), (x) != NULL);                \
+       (x) = (y))
+
+#define RB_FOREACH_REVERSE_SAFE(x, name, head, y)                             \
+  for ((x) = RB_MAX(name, head);                                              \
+      ((x) != NULL) && ((y) = name##_RB_PREV(x), (x) != NULL);                \
+       (x) = (y))
+
+#endif  /* UV_TREE_H_ */

third-party/libuv/include/uv-bsd.h

@@ -0,0 +1,34 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef UV_BSD_H
+#define UV_BSD_H
+
+#define UV_PLATFORM_FS_EVENT_FIELDS                                           \
+  uv__io_t event_watcher;                                                     \
+
+#define UV_IO_PRIVATE_PLATFORM_FIELDS                                         \
+  int rcount;                                                                 \
+  int wcount;                                                                 \
+
+#define UV_HAVE_KQUEUE 1
+
+#endif /* UV_BSD_H */

third-party/libuv/include/uv-darwin.h

@@ -0,0 +1,63 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef UV_DARWIN_H
+#define UV_DARWIN_H
+
+#if defined(__APPLE__) && defined(__MACH__)
+# include <mach/mach.h>
+# include <mach/task.h>
+# include <mach/semaphore.h>
+# include <TargetConditionals.h>
+# define UV_PLATFORM_SEM_T semaphore_t
+#endif
+
+#define UV_IO_PRIVATE_PLATFORM_FIELDS                                         \
+  int rcount;                                                                 \
+  int wcount;                                                                 \
+
+#define UV_PLATFORM_LOOP_FIELDS                                               \
+  uv_thread_t cf_thread;                                                      \
+  void* _cf_reserved;                                                         \
+  void* cf_state;                                                             \
+  uv_mutex_t cf_mutex;                                                        \
+  uv_sem_t cf_sem;                                                            \
+  void* cf_signals[2];                                                        \
+
+#define UV_PLATFORM_FS_EVENT_FIELDS                                           \
+  uv__io_t event_watcher;                                                     \
+  char* realpath;                                                             \
+  int realpath_len;                                                           \
+  int cf_flags;                                                               \
+  uv_async_t* cf_cb;                                                          \
+  void* cf_events[2];                                                         \
+  void* cf_member[2];                                                         \
+  int cf_error;                                                               \
+  uv_mutex_t cf_mutex;                                                        \
+
+#define UV_STREAM_PRIVATE_PLATFORM_FIELDS                                     \
+  void* select;                                                               \
+
+#define UV_HAVE_KQUEUE 1
+
+#define UV_PLATFORM_HAS_IP6_LINK_LOCAL_ADDRESS
+
+#endif /* UV_DARWIN_H */

third-party/libuv/include/uv-errno.h

@@ -0,0 +1,373 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef UV_ERRNO_H_
+#define UV_ERRNO_H_
+
+#include <errno.h>
+
+#define UV__EOF     (-4095)
+#define UV__UNKNOWN (-4094)
+
+#define UV__EAI_ADDRFAMILY  (-3000)
+#define UV__EAI_AGAIN       (-3001)
+#define UV__EAI_BADFLAGS    (-3002)
+#define UV__EAI_CANCELED    (-3003)
+#define UV__EAI_FAIL        (-3004)
+#define UV__EAI_FAMILY      (-3005)
+#define UV__EAI_MEMORY      (-3006)
+#define UV__EAI_NODATA      (-3007)
+#define UV__EAI_NONAME      (-3008)
+#define UV__EAI_OVERFLOW    (-3009)
+#define UV__EAI_SERVICE     (-3010)
+#define UV__EAI_SOCKTYPE    (-3011)
+#define UV__EAI_SYSTEM      (-3012) /* TODO(bnoordhuis) Return system error. */
+#define UV__EAI_BADHINTS    (-3013)
+#define UV__EAI_PROTOCOL    (-3014)
+
+/* Only map to the system errno on non-Windows platforms. It's apparently
+ * a fairly common practice for Windows programmers to redefine errno codes.
+ */
+#if defined(E2BIG) && !defined(_WIN32)
+# define UV__E2BIG (-E2BIG)
+#else
+# define UV__E2BIG (-4093)
+#endif
+
+#if defined(EACCES) && !defined(_WIN32)
+# define UV__EACCES (-EACCES)
+#else
+# define UV__EACCES (-4092)
+#endif
+
+#if defined(EADDRINFO) && !defined(_WIN32)
+# define UV__EADDRINFO EADDRINFO
+#else
+# define UV__EADDRINFO (-4091)
+#endif
+
+#if defined(EADDRINUSE) && !defined(_WIN32)
+# define UV__EADDRINUSE (-EADDRINUSE)
+#else
+# define UV__EADDRINUSE (-4091)
+#endif
+
+#if defined(EADDRNOTAVAIL) && !defined(_WIN32)
+# define UV__EADDRNOTAVAIL (-EADDRNOTAVAIL)
+#else
+# define UV__EADDRNOTAVAIL (-4090)
+#endif
+
+#if defined(EAFNOSUPPORT) && !defined(_WIN32)
+# define UV__EAFNOSUPPORT (-EAFNOSUPPORT)
+#else
+# define UV__EAFNOSUPPORT (-4089)
+#endif
+
+#if defined(EAGAIN) && !defined(_WIN32)
+# define UV__EAGAIN (-EAGAIN)
+#else
+# define UV__EAGAIN (-4088)
+#endif
+
+#if defined(EALREADY) && !defined(_WIN32)
+# define UV__EALREADY (-EALREADY)
+#else
+# define UV__EALREADY (-4084)
+#endif
+
+#if defined(EBADF) && !defined(_WIN32)
+# define UV__EBADF (-EBADF)
+#else
+# define UV__EBADF (-4083)
+#endif
+
+#if defined(EBUSY) && !defined(_WIN32)
+# define UV__EBUSY (-EBUSY)
+#else
+# define UV__EBUSY (-4082)
+#endif
+
+#if defined(ECANCELED) && !defined(_WIN32)
+# define UV__ECANCELED (-ECANCELED)
+#else
+# define UV__ECANCELED (-4081)
+#endif
+
+#if defined(ECHARSET) && !defined(_WIN32)
+# define UV__ECHARSET (-ECHARSET)
+#else
+# define UV__ECHARSET (-4080)
+#endif
+
+#if defined(ECONNABORTED) && !defined(_WIN32)
+# define UV__ECONNABORTED (-ECONNABORTED)
+#else
+# define UV__ECONNABORTED (-4079)
+#endif
+
+#if defined(ECONNREFUSED) && !defined(_WIN32)
+# define UV__ECONNREFUSED (-ECONNREFUSED)
+#else
+# define UV__ECONNREFUSED (-4078)
+#endif
+
+#if defined(ECONNRESET) && !defined(_WIN32)
+# define UV__ECONNRESET (-ECONNRESET)
+#else
+# define UV__ECONNRESET (-4077)
+#endif
+
+#if defined(EDESTADDRREQ) && !defined(_WIN32)
+# define UV__EDESTADDRREQ (-EDESTADDRREQ)
+#else
+# define UV__EDESTADDRREQ (-4076)
+#endif
+
+#if defined(EEXIST) && !defined(_WIN32)
+# define UV__EEXIST (-EEXIST)
+#else
+# define UV__EEXIST (-4075)
+#endif
+
+#if defined(EFAULT) && !defined(_WIN32)
+# define UV__EFAULT (-EFAULT)
+#else
+# define UV__EFAULT (-4074)
+#endif
+
+#if defined(EHOSTUNREACH) && !defined(_WIN32)
+# define UV__EHOSTUNREACH (-EHOSTUNREACH)
+#else
+# define UV__EHOSTUNREACH (-4073)
+#endif
+
+#if defined(EINTR) && !defined(_WIN32)
+# define UV__EINTR (-EINTR)
+#else
+# define UV__EINTR (-4072)
+#endif
+
+#if defined(EINVAL) && !defined(_WIN32)
+# define UV__EINVAL (-EINVAL)
+#else
+# define UV__EINVAL (-4071)
+#endif
+
+#if defined(EIO) && !defined(_WIN32)
+# define UV__EIO (-EIO)
+#else
+# define UV__EIO (-4070)
+#endif
+
+#if defined(EISCONN) && !defined(_WIN32)
+# define UV__EISCONN (-EISCONN)
+#else
+# define UV__EISCONN (-4069)
+#endif
+
+#if defined(EISDIR) && !defined(_WIN32)
+# define UV__EISDIR (-EISDIR)
+#else
+# define UV__EISDIR (-4068)
+#endif
+
+#if defined(ELOOP) && !defined(_WIN32)
+# define UV__ELOOP (-ELOOP)
+#else
+# define UV__ELOOP (-4067)
+#endif
+
+#if defined(EMFILE) && !defined(_WIN32)
+# define UV__EMFILE (-EMFILE)
+#else
+# define UV__EMFILE (-4066)
+#endif
+
+#if defined(EMSGSIZE) && !defined(_WIN32)
+# define UV__EMSGSIZE (-EMSGSIZE)
+#else
+# define UV__EMSGSIZE (-4065)
+#endif
+
+#if defined(ENAMETOOLONG) && !defined(_WIN32)
+# define UV__ENAMETOOLONG (-ENAMETOOLONG)
+#else
+# define UV__ENAMETOOLONG (-4064)
+#endif
+
+#if defined(ENETDOWN) && !defined(_WIN32)
+# define UV__ENETDOWN (-ENETDOWN)
+#else
+# define UV__ENETDOWN (-4063)
+#endif
+
+#if defined(ENETUNREACH) && !defined(_WIN32)
+# define UV__ENETUNREACH (-ENETUNREACH)
+#else
+# define UV__ENETUNREACH (-4062)
+#endif
+
+#if defined(ENFILE) && !defined(_WIN32)
+# define UV__ENFILE (-ENFILE)
+#else
+# define UV__ENFILE (-4061)
+#endif
+
+#if defined(ENOBUFS) && !defined(_WIN32)
+# define UV__ENOBUFS (-ENOBUFS)
+#else
+# define UV__ENOBUFS (-4060)
+#endif
+
+#if defined(ENODEV) && !defined(_WIN32)
+# define UV__ENODEV (-ENODEV)
+#else
+# define UV__ENODEV (-4059)
+#endif
+
+#if defined(ENOENT) && !defined(_WIN32)
+# define UV__ENOENT (-ENOENT)
+#else
+# define UV__ENOENT (-4058)
+#endif
+
+#if defined(ENOMEM) && !defined(_WIN32)
+# define UV__ENOMEM (-ENOMEM)
+#else
+# define UV__ENOMEM (-4057)
+#endif
+
+#if defined(ENONET) && !defined(_WIN32)
+# define UV__ENONET (-ENONET)
+#else
+# define UV__ENONET (-4056)
+#endif
+
+#if defined(ENOSPC) && !defined(_WIN32)
+# define UV__ENOSPC (-ENOSPC)
+#else
+# define UV__ENOSPC (-4055)
+#endif
+
+#if defined(ENOSYS) && !defined(_WIN32)
+# define UV__ENOSYS (-ENOSYS)
+#else
+# define UV__ENOSYS (-4054)
+#endif
+
+#if defined(ENOTCONN) && !defined(_WIN32)
+# define UV__ENOTCONN (-ENOTCONN)
+#else
+# define UV__ENOTCONN (-4053)
+#endif
+
+#if defined(ENOTDIR) && !defined(_WIN32)
+# define UV__ENOTDIR (-ENOTDIR)
+#else
+# define UV__ENOTDIR (-4052)
+#endif
+
+#if defined(ENOTEMPTY) && !defined(_WIN32)
+# define UV__ENOTEMPTY (-ENOTEMPTY)
+#else
+# define UV__ENOTEMPTY (-4051)
+#endif
+
+#if defined(ENOTSOCK) && !defined(_WIN32)
+# define UV__ENOTSOCK (-ENOTSOCK)
+#else
+# define UV__ENOTSOCK (-4050)
+#endif
+
+#if defined(ENOTSUP) && !defined(_WIN32)
+# define UV__ENOTSUP (-ENOTSUP)
+#else
+# define UV__ENOTSUP (-4049)
+#endif
+
+#if defined(EPERM) && !defined(_WIN32)
+# define UV__EPERM (-EPERM)
+#else
+# define UV__EPERM (-4048)
+#endif
+
+#if defined(EPIPE) && !defined(_WIN32)
+# define UV__EPIPE (-EPIPE)
+#else
+# define UV__EPIPE (-4047)
+#endif
+
+#if defined(EPROTO) && !defined(_WIN32)
+# define UV__EPROTO (-EPROTO)
+#else
+# define UV__EPROTO (-4046)
+#endif
+
+#if defined(EPROTONOSUPPORT) && !defined(_WIN32)
+# define UV__EPROTONOSUPPORT (-EPROTONOSUPPORT)
+#else
+# define UV__EPROTONOSUPPORT (-4045)
+#endif
+
+#if defined(EPROTOTYPE) && !defined(_WIN32)
+# define UV__EPROTOTYPE (-EPROTOTYPE)
+#else
+# define UV__EPROTOTYPE (-4044)
+#endif
+
+#if defined(EROFS) && !defined(_WIN32)
+# define UV__EROFS (-EROFS)
+#else
+# define UV__EROFS (-4043)
+#endif
+
+#if defined(ESHUTDOWN) && !defined(_WIN32)
+# define UV__ESHUTDOWN (-ESHUTDOWN)
+#else
+# define UV__ESHUTDOWN (-4042)
+#endif
+
+#if defined(ESPIPE) && !defined(_WIN32)
+# define UV__ESPIPE (-ESPIPE)
+#else
+# define UV__ESPIPE (-4041)
+#endif
+
+#if defined(ESRCH) && !defined(_WIN32)
+# define UV__ESRCH (-ESRCH)
+#else
+# define UV__ESRCH (-4040)
+#endif
+
+#if defined(ETIMEDOUT) && !defined(_WIN32)
+# define UV__ETIMEDOUT (-ETIMEDOUT)
+#else
+# define UV__ETIMEDOUT (-4039)
+#endif
+
+#if defined(EXDEV) && !defined(_WIN32)
+# define UV__EXDEV (-EXDEV)
+#else
+# define UV__EXDEV (-4037)
+#endif
+
+#endif /* UV_ERRNO_H_ */

third-party/libuv/include/uv-linux.h

@@ -0,0 +1,36 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef UV_LINUX_H
+#define UV_LINUX_H
+
+#define UV_PLATFORM_LOOP_FIELDS                                               \
+  uv__io_t inotify_read_watcher;                                              \
+  void* inotify_watchers;                                                     \
+  int inotify_fd;                                                             \
+
+#define UV_PLATFORM_FS_EVENT_FIELDS                                           \
+  void* watchers[2];                                                          \
+  int wd;                                                                     \
+
+#define UV_PLATFORM_HAS_IP6_LINK_LOCAL_ADDRESS
+
+#endif /* UV_LINUX_H */

third-party/libuv/include/uv-sunos.h

@@ -0,0 +1,44 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef UV_SUNOS_H
+#define UV_SUNOS_H
+
+#include <sys/port.h>
+#include <port.h>
+
+/* For the sake of convenience and reduced #ifdef-ery in src/unix/sunos.c,
+ * add the fs_event fields even when this version of SunOS doesn't support
+ * file watching.
+ */
+#define UV_PLATFORM_LOOP_FIELDS                                               \
+  uv__io_t fs_event_watcher;                                                  \
+  int fs_fd;                                                                  \
+
+#if defined(PORT_SOURCE_FILE)
+
+# define UV_PLATFORM_FS_EVENT_FIELDS                                          \
+  file_obj_t fo;                                                              \
+  int fd;                                                                     \
+
+#endif /* defined(PORT_SOURCE_FILE) */
+
+#endif /* UV_SUNOS_H */

third-party/libuv/include/uv-unix.h

@@ -0,0 +1,329 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef UV_UNIX_H
+#define UV_UNIX_H
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+#include <termios.h>
+#include <pwd.h>
+
+#include <semaphore.h>
+#include <pthread.h>
+#ifdef __ANDROID__
+#include "pthread-fixes.h"
+#endif
+#include <signal.h>
+
+#if defined(__linux__)
+# include "uv-linux.h"
+#elif defined(__sun)
+# include "uv-sunos.h"
+#elif defined(__APPLE__)
+# include "uv-darwin.h"
+#elif defined(__DragonFly__)  || \
+      defined(__FreeBSD__)    || \
+      defined(__OpenBSD__)    || \
+      defined(__NetBSD__)
+# include "uv-bsd.h"
+#endif
+
+#ifndef UV_IO_PRIVATE_PLATFORM_FIELDS
+# define UV_IO_PRIVATE_PLATFORM_FIELDS /* empty */
+#endif
+
+struct uv__io_s;
+struct uv__async;
+struct uv_loop_s;
+
+typedef void (*uv__io_cb)(struct uv_loop_s* loop,
+                          struct uv__io_s* w,
+                          unsigned int events);
+typedef struct uv__io_s uv__io_t;
+
+struct uv__io_s {
+  uv__io_cb cb;
+  void* pending_queue[2];
+  void* watcher_queue[2];
+  unsigned int pevents; /* Pending event mask i.e. mask at next tick. */
+  unsigned int events;  /* Current event mask. */
+  int fd;
+  UV_IO_PRIVATE_PLATFORM_FIELDS
+};
+
+typedef void (*uv__async_cb)(struct uv_loop_s* loop,
+                             struct uv__async* w,
+                             unsigned int nevents);
+
+struct uv__async {
+  uv__async_cb cb;
+  uv__io_t io_watcher;
+  int wfd;
+};
+
+struct uv__work {
+  void (*work)(struct uv__work *w);
+  void (*done)(struct uv__work *w, int status);
+  struct uv_loop_s* loop;
+  void* wq[2];
+};
+
+#ifndef UV_PLATFORM_SEM_T
+# define UV_PLATFORM_SEM_T sem_t
+#endif
+
+#ifndef UV_PLATFORM_LOOP_FIELDS
+# define UV_PLATFORM_LOOP_FIELDS /* empty */
+#endif
+
+#ifndef UV_PLATFORM_FS_EVENT_FIELDS
+# define UV_PLATFORM_FS_EVENT_FIELDS /* empty */
+#endif
+
+#ifndef UV_STREAM_PRIVATE_PLATFORM_FIELDS
+# define UV_STREAM_PRIVATE_PLATFORM_FIELDS /* empty */
+#endif
+
+/* Note: May be cast to struct iovec. See writev(2). */
+typedef struct {
+  char* base;
+  size_t len;
+} uv_buf_t;
+
+typedef int uv_file;
+typedef int uv_os_sock_t;
+
+#define UV_ONCE_INIT PTHREAD_ONCE_INIT
+
+typedef pthread_once_t uv_once_t;
+typedef pthread_t uv_thread_t;
+typedef pthread_mutex_t uv_mutex_t;
+typedef pthread_rwlock_t uv_rwlock_t;
+typedef UV_PLATFORM_SEM_T uv_sem_t;
+typedef pthread_cond_t uv_cond_t;
+typedef pthread_key_t uv_key_t;
+
+#if defined(__APPLE__) && defined(__MACH__)
+
+typedef struct {
+  unsigned int n;
+  unsigned int count;
+  uv_mutex_t mutex;
+  uv_sem_t turnstile1;
+  uv_sem_t turnstile2;
+} uv_barrier_t;
+
+#else /* defined(__APPLE__) && defined(__MACH__) */
+
+typedef pthread_barrier_t uv_barrier_t;
+
+#endif /* defined(__APPLE__) && defined(__MACH__) */
+
+/* Platform-specific definitions for uv_spawn support. */
+typedef gid_t uv_gid_t;
+typedef uid_t uv_uid_t;
+
+/* Platform-specific definitions for uv_dlopen support. */
+#define UV_DYNAMIC /* empty */
+
+typedef struct {
+  void* handle;
+  char* errmsg;
+} uv_lib_t;
+
+#define UV_LOOP_PRIVATE_FIELDS                                                \
+  unsigned long flags;                                                        \
+  int backend_fd;                                                             \
+  void* pending_queue[2];                                                     \
+  void* watcher_queue[2];                                                     \
+  uv__io_t** watchers;                                                        \
+  unsigned int nwatchers;                                                     \
+  unsigned int nfds;                                                          \
+  void* wq[2];                                                                \
+  uv_mutex_t wq_mutex;                                                        \
+  uv_async_t wq_async;                                                        \
+  uv_handle_t* closing_handles;                                               \
+  void* process_handles[1][2];                                                \
+  void* prepare_handles[2];                                                   \
+  void* check_handles[2];                                                     \
+  void* idle_handles[2];                                                      \
+  void* async_handles[2];                                                     \
+  struct uv__async async_watcher;                                             \
+  /* RB_HEAD(uv__timers, uv_timer_s) */                                       \
+  struct uv__timers {                                                         \
+    struct uv_timer_s* rbh_root;                                              \
+  } timer_handles;                                                            \
+  uint64_t time;                                                              \
+  int signal_pipefd[2];                                                       \
+  uv__io_t signal_io_watcher;                                                 \
+  uv_signal_t child_watcher;                                                  \
+  int emfile_fd;                                                              \
+  uint64_t timer_counter;                                                     \
+  UV_PLATFORM_LOOP_FIELDS                                                     \
+
+#define UV_REQ_TYPE_PRIVATE /* empty */
+
+#define UV_REQ_PRIVATE_FIELDS  /* empty */
+
+#define UV_PRIVATE_REQ_TYPES /* empty */
+
+#define UV_WRITE_PRIVATE_FIELDS                                               \
+  void* queue[2];                                                             \
+  unsigned int write_index;                                                   \
+  uv_buf_t* bufs;                                                             \
+  unsigned int nbufs;                                                         \
+  int error;                                                                  \
+  uv_buf_t bufsml[4];                                                         \
+
+#define UV_CONNECT_PRIVATE_FIELDS                                             \
+  void* queue[2];                                                             \
+
+#define UV_SHUTDOWN_PRIVATE_FIELDS /* empty */
+
+#define UV_UDP_SEND_PRIVATE_FIELDS                                            \
+  void* queue[2];                                                             \
+  struct sockaddr_in6 addr;                                                   \
+  unsigned int nbufs;                                                         \
+  uv_buf_t* bufs;                                                             \
+  ssize_t status;                                                             \
+  uv_udp_send_cb send_cb;                                                     \
+  uv_buf_t bufsml[4];                                                         \
+
+#define UV_HANDLE_PRIVATE_FIELDS                                              \
+  int flags;                                                                  \
+  uv_handle_t* next_closing;                                                  \
+
+#define UV_STREAM_PRIVATE_FIELDS                                              \
+  uv_connect_t *connect_req;                                                  \
+  uv_shutdown_t *shutdown_req;                                                \
+  uv__io_t io_watcher;                                                        \
+  void* write_queue[2];                                                       \
+  void* write_completed_queue[2];                                             \
+  uv_connection_cb connection_cb;                                             \
+  int delayed_error;                                                          \
+  int accepted_fd;                                                            \
+  UV_STREAM_PRIVATE_PLATFORM_FIELDS                                           \
+
+#define UV_TCP_PRIVATE_FIELDS /* empty */
+
+#define UV_UDP_PRIVATE_FIELDS                                                 \
+  uv_alloc_cb alloc_cb;                                                       \
+  uv_udp_recv_cb recv_cb;                                                     \
+  uv__io_t io_watcher;                                                        \
+  void* write_queue[2];                                                       \
+  void* write_completed_queue[2];                                             \
+
+#define UV_PIPE_PRIVATE_FIELDS                                                \
+  const char* pipe_fname; /* strdup'ed */
+
+#define UV_POLL_PRIVATE_FIELDS                                                \
+  uv__io_t io_watcher;
+
+#define UV_PREPARE_PRIVATE_FIELDS                                             \
+  uv_prepare_cb prepare_cb;                                                   \
+  void* queue[2];                                                             \
+
+#define UV_CHECK_PRIVATE_FIELDS                                               \
+  uv_check_cb check_cb;                                                       \
+  void* queue[2];                                                             \
+
+#define UV_IDLE_PRIVATE_FIELDS                                                \
+  uv_idle_cb idle_cb;                                                         \
+  void* queue[2];                                                             \
+
+#define UV_ASYNC_PRIVATE_FIELDS                                               \
+  uv_async_cb async_cb;                                                       \
+  void* queue[2];                                                             \
+  int pending;                                                                \
+
+#define UV_TIMER_PRIVATE_FIELDS                                               \
+  /* RB_ENTRY(uv_timer_s) tree_entry; */                                      \
+  struct {                                                                    \
+    struct uv_timer_s* rbe_left;                                              \
+    struct uv_timer_s* rbe_right;                                             \
+    struct uv_timer_s* rbe_parent;                                            \
+    int rbe_color;                                                            \
+  } tree_entry;                                                               \
+  uv_timer_cb timer_cb;                                                       \
+  uint64_t timeout;                                                           \
+  uint64_t repeat;                                                            \
+  uint64_t start_id;
+
+#define UV_GETADDRINFO_PRIVATE_FIELDS                                         \
+  struct uv__work work_req;                                                   \
+  uv_getaddrinfo_cb cb;                                                       \
+  struct addrinfo* hints;                                                     \
+  char* hostname;                                                             \
+  char* service;                                                              \
+  struct addrinfo* res;                                                       \
+  int retcode;
+
+#define UV_PROCESS_PRIVATE_FIELDS                                             \
+  void* queue[2];                                                             \
+  int status;                                                                 \
+
+#define UV_FS_PRIVATE_FIELDS                                                  \
+  const char *new_path;                                                       \
+  uv_file file;                                                               \
+  int flags;                                                                  \
+  mode_t mode;                                                                \
+  void* buf;                                                                  \
+  size_t len;                                                                 \
+  off_t off;                                                                  \
+  uv_uid_t uid;                                                               \
+  uv_gid_t gid;                                                               \
+  double atime;                                                               \
+  double mtime;                                                               \
+  struct uv__work work_req;                                                   \
+
+#define UV_WORK_PRIVATE_FIELDS                                                \
+  struct uv__work work_req;
+
+#define UV_TTY_PRIVATE_FIELDS                                                 \
+  struct termios orig_termios;                                                \
+  int mode;
+
+#define UV_SIGNAL_PRIVATE_FIELDS                                              \
+  /* RB_ENTRY(uv_signal_s) tree_entry; */                                     \
+  struct {                                                                    \
+    struct uv_signal_s* rbe_left;                                             \
+    struct uv_signal_s* rbe_right;                                            \
+    struct uv_signal_s* rbe_parent;                                           \
+    int rbe_color;                                                            \
+  } tree_entry;                                                               \
+  /* Use two counters here so we don have to fiddle with atomics. */          \
+  unsigned int caught_signals;                                                \
+  unsigned int dispatched_signals;
+
+#define UV_FS_EVENT_PRIVATE_FIELDS                                            \
+  uv_fs_event_cb cb;                                                          \
+  UV_PLATFORM_FS_EVENT_FIELDS                                                 \
+
+#endif /* UV_UNIX_H */

third-party/libuv/include/uv-win.h

@@ -0,0 +1,589 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef _WIN32_WINNT
+# define _WIN32_WINNT   0x0502
+#endif
+
+#if !defined(_SSIZE_T_) && !defined(_SSIZE_T_DEFINED)
+typedef intptr_t ssize_t;
+# define _SSIZE_T_
+# define _SSIZE_T_DEFINED
+#endif
+
+#include <winsock2.h>
+#include <mswsock.h>
+#include <ws2tcpip.h>
+#include <windows.h>
+
+#include <process.h>
+#include <signal.h>
+#include <sys/stat.h>
+
+#if defined(_MSC_VER) && _MSC_VER < 1600
+# include "stdint-msvc2008.h"
+#else
+# include <stdint.h>
+#endif
+
+#include "tree.h"
+
+#define MAX_PIPENAME_LEN 256
+
+#ifndef S_IFLNK
+# define S_IFLNK 0xA000
+#endif
+
+/* Additional signals supported by uv_signal and or uv_kill. The CRT defines
+ * the following signals already:
+ *
+ *   #define SIGINT           2
+ *   #define SIGILL           4
+ *   #define SIGABRT_COMPAT   6
+ *   #define SIGFPE           8
+ *   #define SIGSEGV         11
+ *   #define SIGTERM         15
+ *   #define SIGBREAK        21
+ *   #define SIGABRT         22
+ *
+ * The additional signals have values that are common on other Unix
+ * variants (Linux and Darwin)
+ */
+#define SIGHUP                1
+#define SIGKILL               9
+#define SIGWINCH             28
+
+/* The CRT defines SIGABRT_COMPAT as 6, which equals SIGABRT on many */
+/* unix-like platforms. However MinGW doesn't define it, so we do. */
+#ifndef SIGABRT_COMPAT
+# define SIGABRT_COMPAT       6
+#endif
+
+/*
+ * Guids and typedefs for winsock extension functions
+ * Mingw32 doesn't have these :-(
+ */
+#ifndef WSAID_ACCEPTEX
+# define WSAID_ACCEPTEX                                                       \
+         {0xb5367df1, 0xcbac, 0x11cf,                                         \
+         {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}}
+
+# define WSAID_CONNECTEX                                                      \
+         {0x25a207b9, 0xddf3, 0x4660,                                         \
+         {0x8e, 0xe9, 0x76, 0xe5, 0x8c, 0x74, 0x06, 0x3e}}
+
+# define WSAID_GETACCEPTEXSOCKADDRS                                           \
+         {0xb5367df2, 0xcbac, 0x11cf,                                         \
+         {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}}
+
+# define WSAID_DISCONNECTEX                                                   \
+         {0x7fda2e11, 0x8630, 0x436f,                                         \
+         {0xa0, 0x31, 0xf5, 0x36, 0xa6, 0xee, 0xc1, 0x57}}
+
+# define WSAID_TRANSMITFILE                                                   \
+         {0xb5367df0, 0xcbac, 0x11cf,                                         \
+         {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}}
+
+  typedef BOOL PASCAL (*LPFN_ACCEPTEX)
+                      (SOCKET sListenSocket,
+                       SOCKET sAcceptSocket,
+                       PVOID lpOutputBuffer,
+                       DWORD dwReceiveDataLength,
+                       DWORD dwLocalAddressLength,
+                       DWORD dwRemoteAddressLength,
+                       LPDWORD lpdwBytesReceived,
+                       LPOVERLAPPED lpOverlapped);
+
+  typedef BOOL PASCAL (*LPFN_CONNECTEX)
+                      (SOCKET s,
+                       const struct sockaddr* name,
+                       int namelen,
+                       PVOID lpSendBuffer,
+                       DWORD dwSendDataLength,
+                       LPDWORD lpdwBytesSent,
+                       LPOVERLAPPED lpOverlapped);
+
+  typedef void PASCAL (*LPFN_GETACCEPTEXSOCKADDRS)
+                      (PVOID lpOutputBuffer,
+                       DWORD dwReceiveDataLength,
+                       DWORD dwLocalAddressLength,
+                       DWORD dwRemoteAddressLength,
+                       LPSOCKADDR* LocalSockaddr,
+                       LPINT LocalSockaddrLength,
+                       LPSOCKADDR* RemoteSockaddr,
+                       LPINT RemoteSockaddrLength);
+
+  typedef BOOL PASCAL (*LPFN_DISCONNECTEX)
+                      (SOCKET hSocket,
+                       LPOVERLAPPED lpOverlapped,
+                       DWORD dwFlags,
+                       DWORD reserved);
+
+  typedef BOOL PASCAL (*LPFN_TRANSMITFILE)
+                      (SOCKET hSocket,
+                       HANDLE hFile,
+                       DWORD nNumberOfBytesToWrite,
+                       DWORD nNumberOfBytesPerSend,
+                       LPOVERLAPPED lpOverlapped,
+                       LPTRANSMIT_FILE_BUFFERS lpTransmitBuffers,
+                       DWORD dwFlags);
+
+  typedef PVOID RTL_SRWLOCK;
+  typedef RTL_SRWLOCK SRWLOCK, *PSRWLOCK;
+#endif
+
+typedef int (WSAAPI* LPFN_WSARECV)
+            (SOCKET socket,
+             LPWSABUF buffers,
+             DWORD buffer_count,
+             LPDWORD bytes,
+             LPDWORD flags,
+             LPWSAOVERLAPPED overlapped,
+             LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine);
+
+typedef int (WSAAPI* LPFN_WSARECVFROM)
+            (SOCKET socket,
+             LPWSABUF buffers,
+             DWORD buffer_count,
+             LPDWORD bytes,
+             LPDWORD flags,
+             struct sockaddr* addr,
+             LPINT addr_len,
+             LPWSAOVERLAPPED overlapped,
+             LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine);
+
+#ifndef _NTDEF_
+  typedef LONG NTSTATUS;
+  typedef NTSTATUS *PNTSTATUS;
+#endif
+
+#ifndef RTL_CONDITION_VARIABLE_INIT
+  typedef PVOID CONDITION_VARIABLE, *PCONDITION_VARIABLE;
+#endif
+
+typedef struct _AFD_POLL_HANDLE_INFO {
+  HANDLE Handle;
+  ULONG Events;
+  NTSTATUS Status;
+} AFD_POLL_HANDLE_INFO, *PAFD_POLL_HANDLE_INFO;
+
+typedef struct _AFD_POLL_INFO {
+  LARGE_INTEGER Timeout;
+  ULONG NumberOfHandles;
+  ULONG Exclusive;
+  AFD_POLL_HANDLE_INFO Handles[1];
+} AFD_POLL_INFO, *PAFD_POLL_INFO;
+
+#define UV_MSAFD_PROVIDER_COUNT 3
+
+
+/**
+ * It should be possible to cast uv_buf_t[] to WSABUF[]
+ * see http://msdn.microsoft.com/en-us/library/ms741542(v=vs.85).aspx
+ */
+typedef struct uv_buf_t {
+  ULONG len;
+  char* base;
+} uv_buf_t;
+
+typedef int uv_file;
+
+typedef SOCKET uv_os_sock_t;
+
+typedef HANDLE uv_thread_t;
+
+typedef HANDLE uv_sem_t;
+
+typedef CRITICAL_SECTION uv_mutex_t;
+
+/* This condition variable implementation is based on the SetEvent solution
+ * (section 3.2) at http://www.cs.wustl.edu/~schmidt/win32-cv-1.html
+ * We could not use the SignalObjectAndWait solution (section 3.4) because
+ * it want the 2nd argument (type uv_mutex_t) of uv_cond_wait() and
+ * uv_cond_timedwait() to be HANDLEs, but we use CRITICAL_SECTIONs.
+ */
+
+typedef union {
+  CONDITION_VARIABLE cond_var;
+  struct {
+    unsigned int waiters_count;
+    CRITICAL_SECTION waiters_count_lock;
+    HANDLE signal_event;
+    HANDLE broadcast_event;
+  } fallback;
+} uv_cond_t;
+
+typedef union {
+  /* srwlock_ has type SRWLOCK, but not all toolchains define this type in */
+  /* windows.h. */
+  SRWLOCK srwlock_;
+  struct {
+    uv_mutex_t read_mutex_;
+    uv_mutex_t write_mutex_;
+    unsigned int num_readers_;
+  } fallback_;
+} uv_rwlock_t;
+
+typedef struct {
+  unsigned int n;
+  unsigned int count;
+  uv_mutex_t mutex;
+  uv_sem_t turnstile1;
+  uv_sem_t turnstile2;
+} uv_barrier_t;
+
+typedef struct {
+  DWORD tls_index;
+} uv_key_t;
+
+#define UV_ONCE_INIT { 0, NULL }
+
+typedef struct uv_once_s {
+  unsigned char ran;
+  HANDLE event;
+} uv_once_t;
+
+/* Platform-specific definitions for uv_spawn support. */
+typedef unsigned char uv_uid_t;
+typedef unsigned char uv_gid_t;
+
+/* Platform-specific definitions for uv_dlopen support. */
+#define UV_DYNAMIC FAR WINAPI
+typedef struct {
+  HMODULE handle;
+  char* errmsg;
+} uv_lib_t;
+
+RB_HEAD(uv_timer_tree_s, uv_timer_s);
+
+#define UV_LOOP_PRIVATE_FIELDS                                                \
+    /* The loop's I/O completion port */                                      \
+  HANDLE iocp;                                                                \
+  /* The current time according to the event loop. in msecs. */               \
+  uint64_t time;                                                              \
+  /* GetTickCount() result when the event loop time was last updated. */      \
+  DWORD last_tick_count;                                                      \
+  /* Tail of a single-linked circular queue of pending reqs. If the queue */  \
+  /* is empty, tail_ is NULL. If there is only one item, */                   \
+  /* tail_->next_req == tail_ */                                              \
+  uv_req_t* pending_reqs_tail;                                                \
+  /* Head of a single-linked list of closed handles */                        \
+  uv_handle_t* endgame_handles;                                               \
+  /* The head of the timers tree */                                           \
+  struct uv_timer_tree_s timers;                                              \
+    /* Lists of active loop (prepare / check / idle) watchers */              \
+  uv_prepare_t* prepare_handles;                                              \
+  uv_check_t* check_handles;                                                  \
+  uv_idle_t* idle_handles;                                                    \
+  /* This pointer will refer to the prepare/check/idle handle whose */        \
+  /* callback is scheduled to be called next. This is needed to allow */      \
+  /* safe removal from one of the lists above while that list being */        \
+  /* iterated over. */                                                        \
+  uv_prepare_t* next_prepare_handle;                                          \
+  uv_check_t* next_check_handle;                                              \
+  uv_idle_t* next_idle_handle;                                                \
+  /* This handle holds the peer sockets for the fast variant of uv_poll_t */  \
+  SOCKET poll_peer_sockets[UV_MSAFD_PROVIDER_COUNT];                          \
+  /* Counter to keep track of active tcp streams */                           \
+  unsigned int active_tcp_streams;                                            \
+  /* Counter to keep track of active udp streams */                           \
+  unsigned int active_udp_streams;                                            \
+  /* Counter to started timer */                                              \
+  uint64_t timer_counter;
+
+#define UV_REQ_TYPE_PRIVATE                                                   \
+  /* TODO: remove the req suffix */                                           \
+  UV_ACCEPT,                                                                  \
+  UV_FS_EVENT_REQ,                                                            \
+  UV_POLL_REQ,                                                                \
+  UV_PROCESS_EXIT,                                                            \
+  UV_READ,                                                                    \
+  UV_UDP_RECV,                                                                \
+  UV_WAKEUP,                                                                  \
+  UV_SIGNAL_REQ,
+
+#define UV_REQ_PRIVATE_FIELDS                                                 \
+  union {                                                                     \
+    /* Used by I/O operations */                                              \
+    struct {                                                                  \
+      OVERLAPPED overlapped;                                                  \
+      size_t queued_bytes;                                                    \
+    };                                                                        \
+  };                                                                          \
+  struct uv_req_s* next_req;
+
+#define UV_WRITE_PRIVATE_FIELDS                                               \
+  int ipc_header;                                                             \
+  uv_buf_t write_buffer;                                                      \
+  HANDLE event_handle;                                                        \
+  HANDLE wait_handle;
+
+#define UV_CONNECT_PRIVATE_FIELDS                                             \
+  /* empty */
+
+#define UV_SHUTDOWN_PRIVATE_FIELDS                                            \
+  /* empty */
+
+#define UV_UDP_SEND_PRIVATE_FIELDS                                            \
+  /* empty */
+
+#define UV_PRIVATE_REQ_TYPES                                                  \
+  typedef struct uv_pipe_accept_s {                                           \
+    UV_REQ_FIELDS                                                             \
+    HANDLE pipeHandle;                                                        \
+    struct uv_pipe_accept_s* next_pending;                                    \
+  } uv_pipe_accept_t;                                                         \
+                                                                              \
+  typedef struct uv_tcp_accept_s {                                            \
+    UV_REQ_FIELDS                                                             \
+    SOCKET accept_socket;                                                     \
+    char accept_buffer[sizeof(struct sockaddr_storage) * 2 + 32];             \
+    HANDLE event_handle;                                                      \
+    HANDLE wait_handle;                                                       \
+    struct uv_tcp_accept_s* next_pending;                                     \
+  } uv_tcp_accept_t;                                                          \
+                                                                              \
+  typedef struct uv_read_s {                                                  \
+    UV_REQ_FIELDS                                                             \
+    HANDLE event_handle;                                                      \
+    HANDLE wait_handle;                                                       \
+  } uv_read_t;
+
+#define uv_stream_connection_fields                                           \
+  unsigned int write_reqs_pending;                                            \
+  uv_shutdown_t* shutdown_req;
+
+#define uv_stream_server_fields                                               \
+  uv_connection_cb connection_cb;
+
+#define UV_STREAM_PRIVATE_FIELDS                                              \
+  unsigned int reqs_pending;                                                  \
+  int activecnt;                                                              \
+  uv_read_t read_req;                                                         \
+  union {                                                                     \
+    struct { uv_stream_connection_fields };                                   \
+    struct { uv_stream_server_fields     };                                   \
+  };
+
+#define uv_tcp_server_fields                                                  \
+  uv_tcp_accept_t* accept_reqs;                                               \
+  unsigned int processed_accepts;                                             \
+  uv_tcp_accept_t* pending_accepts;                                           \
+  LPFN_ACCEPTEX func_acceptex;
+
+#define uv_tcp_connection_fields                                              \
+  uv_buf_t read_buffer;                                                       \
+  LPFN_CONNECTEX func_connectex;
+
+#define UV_TCP_PRIVATE_FIELDS                                                 \
+  SOCKET socket;                                                              \
+  int bind_error;                                                             \
+  union {                                                                     \
+    struct { uv_tcp_server_fields };                                          \
+    struct { uv_tcp_connection_fields };                                      \
+  };
+
+#define UV_UDP_PRIVATE_FIELDS                                                 \
+  SOCKET socket;                                                              \
+  unsigned int reqs_pending;                                                  \
+  int activecnt;                                                              \
+  uv_req_t recv_req;                                                          \
+  uv_buf_t recv_buffer;                                                       \
+  struct sockaddr_storage recv_from;                                          \
+  int recv_from_len;                                                          \
+  uv_udp_recv_cb recv_cb;                                                     \
+  uv_alloc_cb alloc_cb;                                                       \
+  LPFN_WSARECV func_wsarecv;                                                  \
+  LPFN_WSARECVFROM func_wsarecvfrom;
+
+#define uv_pipe_server_fields                                                 \
+  int pending_instances;                                                      \
+  uv_pipe_accept_t* accept_reqs;                                              \
+  uv_pipe_accept_t* pending_accepts;
+
+#define uv_pipe_connection_fields                                             \
+  uv_timer_t* eof_timer;                                                      \
+  uv_write_t ipc_header_write_req;                                            \
+  int ipc_pid;                                                                \
+  uint64_t remaining_ipc_rawdata_bytes;                                       \
+  unsigned char reserved[sizeof(void*)];                                      \
+  struct {                                                                    \
+    WSAPROTOCOL_INFOW* socket_info;                                           \
+    int tcp_connection;                                                       \
+  } pending_ipc_info;                                                         \
+  uv_write_t* non_overlapped_writes_tail;
+
+#define UV_PIPE_PRIVATE_FIELDS                                                \
+  HANDLE handle;                                                              \
+  WCHAR* name;                                                                \
+  union {                                                                     \
+    struct { uv_pipe_server_fields };                                         \
+    struct { uv_pipe_connection_fields };                                     \
+  };
+
+/* TODO: put the parser states in an union - TTY handles are always */
+/* half-duplex so read-state can safely overlap write-state. */
+#define UV_TTY_PRIVATE_FIELDS                                                 \
+  HANDLE handle;                                                              \
+  union {                                                                     \
+    struct {                                                                  \
+      /* Used for readable TTY handles */                                     \
+      HANDLE read_line_handle;                                                \
+      uv_buf_t read_line_buffer;                                              \
+      HANDLE read_raw_wait;                                                   \
+      /* Fields used for translating win keystrokes into vt100 characters */  \
+      char last_key[8];                                                       \
+      unsigned char last_key_offset;                                          \
+      unsigned char last_key_len;                                             \
+      WCHAR last_utf16_high_surrogate;                                        \
+      INPUT_RECORD last_input_record;                                         \
+    };                                                                        \
+    struct {                                                                  \
+      /* Used for writable TTY handles */                                     \
+      /* utf8-to-utf16 conversion state */                                    \
+      unsigned int utf8_codepoint;                                            \
+      unsigned char utf8_bytes_left;                                          \
+      /* eol conversion state */                                              \
+      unsigned char previous_eol;                                             \
+      /* ansi parser state */                                                 \
+      unsigned char ansi_parser_state;                                        \
+      unsigned char ansi_csi_argc;                                            \
+      unsigned short ansi_csi_argv[4];                                        \
+      COORD saved_position;                                                   \
+      WORD saved_attributes;                                                  \
+    };                                                                        \
+  };
+
+#define UV_POLL_PRIVATE_FIELDS                                                \
+  SOCKET socket;                                                              \
+  /* Used in fast mode */                                                     \
+  SOCKET peer_socket;                                                         \
+  AFD_POLL_INFO afd_poll_info_1;                                              \
+  AFD_POLL_INFO afd_poll_info_2;                                              \
+  /* Used in fast and slow mode. */                                           \
+  uv_req_t poll_req_1;                                                        \
+  uv_req_t poll_req_2;                                                        \
+  unsigned char submitted_events_1;                                           \
+  unsigned char submitted_events_2;                                           \
+  unsigned char mask_events_1;                                                \
+  unsigned char mask_events_2;                                                \
+  unsigned char events;
+
+#define UV_TIMER_PRIVATE_FIELDS                                               \
+  RB_ENTRY(uv_timer_s) tree_entry;                                            \
+  uint64_t due;                                                               \
+  uint64_t repeat;                                                            \
+  uint64_t start_id;                                                          \
+  uv_timer_cb timer_cb;
+
+#define UV_ASYNC_PRIVATE_FIELDS                                               \
+  struct uv_req_s async_req;                                                  \
+  uv_async_cb async_cb;                                                       \
+  /* char to avoid alignment issues */                                        \
+  char volatile async_sent;
+
+#define UV_PREPARE_PRIVATE_FIELDS                                             \
+  uv_prepare_t* prepare_prev;                                                 \
+  uv_prepare_t* prepare_next;                                                 \
+  uv_prepare_cb prepare_cb;
+
+#define UV_CHECK_PRIVATE_FIELDS                                               \
+  uv_check_t* check_prev;                                                     \
+  uv_check_t* check_next;                                                     \
+  uv_check_cb check_cb;
+
+#define UV_IDLE_PRIVATE_FIELDS                                                \
+  uv_idle_t* idle_prev;                                                       \
+  uv_idle_t* idle_next;                                                       \
+  uv_idle_cb idle_cb;
+
+#define UV_HANDLE_PRIVATE_FIELDS                                              \
+  uv_handle_t* endgame_next;                                                  \
+  unsigned int flags;
+
+#define UV_GETADDRINFO_PRIVATE_FIELDS                                         \
+  uv_getaddrinfo_cb getaddrinfo_cb;                                           \
+  void* alloc;                                                                \
+  WCHAR* node;                                                                \
+  WCHAR* service;                                                             \
+  struct addrinfoW* hints;                                                    \
+  struct addrinfoW* res;                                                      \
+  int retcode;
+
+#define UV_PROCESS_PRIVATE_FIELDS                                             \
+  struct uv_process_exit_s {                                                  \
+    UV_REQ_FIELDS                                                             \
+  } exit_req;                                                                 \
+  BYTE* child_stdio_buffer;                                                   \
+  int exit_signal;                                                            \
+  HANDLE wait_handle;                                                         \
+  HANDLE process_handle;                                                      \
+  volatile char exit_cb_pending;
+
+#define UV_FS_PRIVATE_FIELDS                                                  \
+  int flags;                                                                  \
+  DWORD sys_errno_;                                                           \
+  union {                                                                     \
+    /* TODO: remove me in 0.9. */                                             \
+    WCHAR* pathw;                                                             \
+    int fd;                                                                   \
+  };                                                                          \
+  union {                                                                     \
+    struct {                                                                  \
+      int mode;                                                               \
+      WCHAR* new_pathw;                                                       \
+      int file_flags;                                                         \
+      int fd_out;                                                             \
+      void* buf;                                                              \
+      size_t length;                                                          \
+      int64_t offset;                                                         \
+    };                                                                        \
+    struct {                                                                  \
+      double atime;                                                           \
+      double mtime;                                                           \
+    };                                                                        \
+  };
+
+#define UV_WORK_PRIVATE_FIELDS                                                \
+
+#define UV_FS_EVENT_PRIVATE_FIELDS                                            \
+  struct uv_fs_event_req_s {                                                  \
+    UV_REQ_FIELDS                                                             \
+  } req;                                                                      \
+  HANDLE dir_handle;                                                          \
+  int req_pending;                                                            \
+  uv_fs_event_cb cb;                                                          \
+  WCHAR* filew;                                                               \
+  WCHAR* short_filew;                                                         \
+  WCHAR* dirw;                                                                \
+  char* buffer;
+
+#define UV_SIGNAL_PRIVATE_FIELDS                                              \
+  RB_ENTRY(uv_signal_s) tree_entry;                                           \
+  struct uv_req_s signal_req;                                                 \
+  unsigned long pending_signum;
+
+int uv_utf16_to_utf8(const WCHAR* utf16Buffer, size_t utf16Size,
+    char* utf8Buffer, size_t utf8Size);
+int uv_utf8_to_utf16(const char* utf8Buffer, WCHAR* utf16Buffer,
+    size_t utf16Size);
+
+#define UV_PLATFORM_HAS_IP6_LINK_LOCAL_ADDRESS

third-party/libuv/libuv.pc.in

@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: @PACKAGE_NAME@
+Version: @PACKAGE_VERSION@
+Description: multi-platform support library with a focus on asynchronous I/O.
+
+Libs: -L${libdir} -luv
+Cflags: -I${includedir}

third-party/libuv/m4/.gitignore

@@ -0,0 +1,2 @@
+# Ignore libtoolize-generated files.
+*.m4

third-party/libuv/m4/dtrace.m4

@@ -0,0 +1,58 @@
+dnl  Copyright (C) 2009 Sun Microsystems
+dnl This file is free software; Sun Microsystems
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl ---------------------------------------------------------------------------
+dnl Macro: PANDORA_ENABLE_DTRACE
+dnl ---------------------------------------------------------------------------
+AC_DEFUN([PANDORA_ENABLE_DTRACE],[
+  AC_ARG_ENABLE([dtrace],
+    [AS_HELP_STRING([--disable-dtrace],
+            [enable DTrace USDT probes. @<:@default=yes@:>@])],
+    [ac_cv_enable_dtrace="$enableval"],
+    [ac_cv_enable_dtrace="yes"])
+
+  AS_IF([test "$ac_cv_enable_dtrace" = "yes"],[
+    AC_CHECK_PROGS([DTRACE], [dtrace])
+    AS_IF([test "x$ac_cv_prog_DTRACE" = "xdtrace"],[
+
+      AC_CACHE_CHECK([if dtrace works],[ac_cv_dtrace_works],[
+        cat >conftest.d <<_ACEOF
+provider Example {
+  probe increment(int);
+};
+_ACEOF
+        $DTRACE -h -o conftest.h -s conftest.d 2>/dev/zero
+        AS_IF([test $? -eq 0],[ac_cv_dtrace_works=yes],
+          [ac_cv_dtrace_works=no])
+        rm -f conftest.h conftest.d
+      ])
+      AS_IF([test "x$ac_cv_dtrace_works" = "xyes"],[
+        AC_DEFINE([HAVE_DTRACE], [1], [Enables DTRACE Support])
+      ])
+      AC_CACHE_CHECK([if dtrace should instrument object files],
+        [ac_cv_dtrace_needs_objects],[
+          dnl DTrace on MacOSX does not use -G option
+          cat >conftest.d <<_ACEOF
+provider Example {
+  probe increment(int);
+};
+_ACEOF
+          $DTRACE -G -o conftest.d.o -s conftest.d 2>/dev/zero
+          AS_IF([test $? -eq 0],[ac_cv_dtrace_needs_objects=yes],
+            [ac_cv_dtrace_needs_objects=no])
+          rm -f conftest.d.o conftest.d
+      ])
+      AC_SUBST(DTRACEFLAGS) dnl TODO: test for -G on OSX
+      ac_cv_have_dtrace=yes
+    ])])
+
+AM_CONDITIONAL([HAVE_DTRACE], [test "x$ac_cv_dtrace_works" = "xyes"])
+AM_CONDITIONAL([DTRACE_NEEDS_OBJECTS],
+               [test "x$ac_cv_dtrace_needs_objects" = "xyes"])
+
+])
+dnl ---------------------------------------------------------------------------
+dnl End Macro: PANDORA_ENABLE_DTRACE
+dnl ---------------------------------------------------------------------------

third-party/libuv/samples/.gitignore

@@ -0,0 +1,22 @@
+# Copyright StrongLoop, Inc. All rights reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+
+*.mk
+*.Makefile

third-party/libuv/samples/socks5-proxy/.gitignore

@@ -0,0 +1,21 @@
+# Copyright StrongLoop, Inc. All rights reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+
+/build/

third-party/libuv/samples/socks5-proxy/LICENSE

@@ -0,0 +1,53 @@
+Files: *
+========
+
+Copyright StrongLoop, Inc. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+
+
+Files: getopt.c
+===============
+
+Copyright (c) 1987, 1993, 1994
+The Regents of the University of California.  All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. Neither the name of the University nor the names of its contributors
+   may be used to endorse or promote products derived from this software
+   without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.

third-party/libuv/samples/socks5-proxy/Makefile

@@ -0,0 +1,46 @@
+# Copyright StrongLoop, Inc. All rights reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+
+BUILDTYPE ?= Debug
+BUILDDIR ?= build
+GYP ?= gyp
+V ?=
+
+SOURCES := client.c defs.h getopt.c main.c s5.c s5.h server.c util.c
+
+.PHONY: all clean
+
+all: $(BUILDDIR)/$(BUILDTYPE)/s5-proxy
+
+clean:
+	$(RM) $(BUILDDIR)
+
+$(BUILDDIR)/$(BUILDTYPE)/s5-proxy: $(BUILDDIR)/Makefile $(SOURCES)
+	$(MAKE) -C $(BUILDDIR) V=$(V)
+
+$(BUILDDIR)/Makefile: ../../common.gypi build.gyp
+	$(GYP)	\
+		-Dlibrary=static_library \
+		-Goutput_dir=. \
+		-I../../common.gypi \
+		-f make \
+		--depth=. \
+		--generator-output=$(BUILDDIR) \
+		build.gyp

third-party/libuv/samples/socks5-proxy/build.gyp

@@ -0,0 +1,46 @@
+# Copyright StrongLoop, Inc. All rights reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+
+{
+  'targets': [
+    {
+      'dependencies': ['../../uv.gyp:libuv'],
+      'target_name': 's5-proxy',
+      'type': 'executable',
+      'sources': [
+        'client.c',
+        'defs.h',
+        'main.c',
+        's5.c',
+        's5.h',
+        'server.c',
+        'util.c',
+      ],
+      'conditions': [
+        ['OS=="win"', {
+          'defines': ['HAVE_UNISTD_H=0'],
+          'sources': ['getopt.c']
+        }, {
+          'defines': ['HAVE_UNISTD_H=1']
+        }]
+      ]
+    }
+  ]
+}

third-party/libuv/samples/socks5-proxy/client.c

@@ -0,0 +1,737 @@
+/* Copyright StrongLoop, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "defs.h"
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* A connection is modeled as an abstraction on top of two simple state
+ * machines, one for reading and one for writing.  Either state machine
+ * is, when active, in one of three states: busy, done or stop; the fourth
+ * and final state, dead, is an end state and only relevant when shutting
+ * down the connection.  A short overview:
+ *
+ *                          busy                  done           stop
+ *  ----------|---------------------------|--------------------|------|
+ *  readable  | waiting for incoming data | have incoming data | idle |
+ *  writable  | busy writing out data     | completed write    | idle |
+ *
+ * We could remove the done state from the writable state machine. For our
+ * purposes, it's functionally equivalent to the stop state.
+ *
+ * When the connection with upstream has been established, the client_ctx
+ * moves into a state where incoming data from the client is sent upstream
+ * and vice versa, incoming data from upstream is sent to the client.  In
+ * other words, we're just piping data back and forth.  See conn_cycle()
+ * for details.
+ *
+ * An interesting deviation from libuv's I/O model is that reads are discrete
+ * rather than continuous events.  In layman's terms, when a read operation
+ * completes, the connection stops reading until further notice.
+ *
+ * The rationale for this approach is that we have to wait until the data
+ * has been sent out again before we can reuse the read buffer.
+ *
+ * It also pleasingly unifies with the request model that libuv uses for
+ * writes and everything else; libuv may switch to a request model for
+ * reads in the future.
+ */
+enum conn_state {
+  c_busy,  /* Busy; waiting for incoming data or for a write to complete. */
+  c_done,  /* Done; read incoming data or write finished. */
+  c_stop,  /* Stopped. */
+  c_dead
+};
+
+/* Session states. */
+enum sess_state {
+  s_handshake,        /* Wait for client handshake. */
+  s_handshake_auth,   /* Wait for client authentication data. */
+  s_req_start,        /* Start waiting for request data. */
+  s_req_parse,        /* Wait for request data. */
+  s_req_lookup,       /* Wait for upstream hostname DNS lookup to complete. */
+  s_req_connect,      /* Wait for uv_tcp_connect() to complete. */
+  s_proxy_start,      /* Connected. Start piping data. */
+  s_proxy,            /* Connected. Pipe data back and forth. */
+  s_kill,             /* Tear down session. */
+  s_almost_dead_0,    /* Waiting for finalizers to complete. */
+  s_almost_dead_1,    /* Waiting for finalizers to complete. */
+  s_almost_dead_2,    /* Waiting for finalizers to complete. */
+  s_almost_dead_3,    /* Waiting for finalizers to complete. */
+  s_almost_dead_4,    /* Waiting for finalizers to complete. */
+  s_dead              /* Dead. Safe to free now. */
+};
+
+static void do_next(client_ctx *cx);
+static int do_handshake(client_ctx *cx);
+static int do_handshake_auth(client_ctx *cx);
+static int do_req_start(client_ctx *cx);
+static int do_req_parse(client_ctx *cx);
+static int do_req_lookup(client_ctx *cx);
+static int do_req_connect_start(client_ctx *cx);
+static int do_req_connect(client_ctx *cx);
+static int do_proxy_start(client_ctx *cx);
+static int do_proxy(client_ctx *cx);
+static int do_kill(client_ctx *cx);
+static int do_almost_dead(client_ctx *cx);
+static int conn_cycle(const char *who, conn *a, conn *b);
+static void conn_timer_reset(conn *c);
+static void conn_timer_expire(uv_timer_t *handle, int status);
+static void conn_getaddrinfo(conn *c, const char *hostname);
+static void conn_getaddrinfo_done(uv_getaddrinfo_t *req,
+                                  int status,
+                                  struct addrinfo *ai);
+static int conn_connect(conn *c);
+static void conn_connect_done(uv_connect_t *req, int status);
+static void conn_read(conn *c);
+static void conn_read_done(uv_stream_t *handle,
+                           ssize_t nread,
+                           const uv_buf_t *buf);
+static void conn_alloc(uv_handle_t *handle, size_t size, uv_buf_t *buf);
+static void conn_write(conn *c, const void *data, unsigned int len);
+static void conn_write_done(uv_write_t *req, int status);
+static void conn_close(conn *c);
+static void conn_close_done(uv_handle_t *handle);
+
+/* |incoming| has been initialized by server.c when this is called. */
+void client_finish_init(server_ctx *sx, client_ctx *cx) {
+  conn *incoming;
+  conn *outgoing;
+
+  cx->sx = sx;
+  cx->state = s_handshake;
+  s5_init(&cx->parser);
+
+  incoming = &cx->incoming;
+  incoming->client = cx;
+  incoming->result = 0;
+  incoming->rdstate = c_stop;
+  incoming->wrstate = c_stop;
+  incoming->idle_timeout = sx->idle_timeout;
+  CHECK(0 == uv_timer_init(sx->loop, &incoming->timer_handle));
+
+  outgoing = &cx->outgoing;
+  outgoing->client = cx;
+  outgoing->result = 0;
+  outgoing->rdstate = c_stop;
+  outgoing->wrstate = c_stop;
+  outgoing->idle_timeout = sx->idle_timeout;
+  CHECK(0 == uv_tcp_init(cx->sx->loop, &outgoing->handle.tcp));
+  CHECK(0 == uv_timer_init(cx->sx->loop, &outgoing->timer_handle));
+
+  /* Wait for the initial packet. */
+  conn_read(incoming);
+}
+
+/* This is the core state machine that drives the client <-> upstream proxy.
+ * We move through the initial handshake and authentication steps first and
+ * end up (if all goes well) in the proxy state where we're just proxying
+ * data between the client and upstream.
+ */
+static void do_next(client_ctx *cx) {
+  int new_state;
+
+  ASSERT(cx->state != s_dead);
+  switch (cx->state) {
+    case s_handshake:
+      new_state = do_handshake(cx);
+      break;
+    case s_handshake_auth:
+      new_state = do_handshake_auth(cx);
+      break;
+    case s_req_start:
+      new_state = do_req_start(cx);
+      break;
+    case s_req_parse:
+      new_state = do_req_parse(cx);
+      break;
+    case s_req_lookup:
+      new_state = do_req_lookup(cx);
+      break;
+    case s_req_connect:
+      new_state = do_req_connect(cx);
+      break;
+    case s_proxy_start:
+      new_state = do_proxy_start(cx);
+      break;
+    case s_proxy:
+      new_state = do_proxy(cx);
+      break;
+    case s_kill:
+      new_state = do_kill(cx);
+      break;
+    case s_almost_dead_0:
+    case s_almost_dead_1:
+    case s_almost_dead_2:
+    case s_almost_dead_3:
+    case s_almost_dead_4:
+      new_state = do_almost_dead(cx);
+      break;
+    default:
+      UNREACHABLE();
+  }
+  cx->state = new_state;
+
+  if (cx->state == s_dead) {
+    if (DEBUG_CHECKS) {
+      memset(cx, -1, sizeof(*cx));
+    }
+    free(cx);
+  }
+}
+
+static int do_handshake(client_ctx *cx) {
+  unsigned int methods;
+  conn *incoming;
+  s5_ctx *parser;
+  uint8_t *data;
+  size_t size;
+  int err;
+
+  parser = &cx->parser;
+  incoming = &cx->incoming;
+  ASSERT(incoming->rdstate == c_done);
+  ASSERT(incoming->wrstate == c_stop);
+  incoming->rdstate = c_stop;
+
+  if (incoming->result < 0) {
+    pr_err("read error: %s", uv_strerror(incoming->result));
+    return do_kill(cx);
+  }
+
+  data = (uint8_t *) incoming->t.buf;
+  size = (size_t) incoming->result;
+  err = s5_parse(parser, &data, &size);
+  if (err == s5_ok) {
+    conn_read(incoming);
+    return s_handshake;  /* Need more data. */
+  }
+
+  if (size != 0) {
+    /* Could allow a round-trip saving shortcut here if the requested auth
+     * method is S5_AUTH_NONE (provided unauthenticated traffic is allowed.)
+     * Requires client support however.
+     */
+    pr_err("junk in handshake");
+    return do_kill(cx);
+  }
+
+  if (err != s5_auth_select) {
+    pr_err("handshake error: %s", s5_strerror(err));
+    return do_kill(cx);
+  }
+
+  methods = s5_auth_methods(parser);
+  if ((methods & S5_AUTH_NONE) && can_auth_none(cx->sx, cx)) {
+    s5_select_auth(parser, S5_AUTH_NONE);
+    conn_write(incoming, "\5\0", 2);  /* No auth required. */
+    return s_req_start;
+  }
+
+  if ((methods & S5_AUTH_PASSWD) && can_auth_passwd(cx->sx, cx)) {
+    /* TODO(bnoordhuis) Implement username/password auth. */
+  }
+
+  conn_write(incoming, "\5\377", 2);  /* No acceptable auth. */
+  return s_kill;
+}
+
+/* TODO(bnoordhuis) Implement username/password auth. */
+static int do_handshake_auth(client_ctx *cx) {
+  UNREACHABLE();
+  return do_kill(cx);
+}
+
+static int do_req_start(client_ctx *cx) {
+  conn *incoming;
+
+  incoming = &cx->incoming;
+  ASSERT(incoming->rdstate == c_stop);
+  ASSERT(incoming->wrstate == c_done);
+  incoming->wrstate = c_stop;
+
+  if (incoming->result < 0) {
+    pr_err("write error: %s", uv_strerror(incoming->result));
+    return do_kill(cx);
+  }
+
+  conn_read(incoming);
+  return s_req_parse;
+}
+
+static int do_req_parse(client_ctx *cx) {
+  conn *incoming;
+  conn *outgoing;
+  s5_ctx *parser;
+  uint8_t *data;
+  size_t size;
+  int err;
+
+  parser = &cx->parser;
+  incoming = &cx->incoming;
+  outgoing = &cx->outgoing;
+  ASSERT(incoming->rdstate == c_done);
+  ASSERT(incoming->wrstate == c_stop);
+  ASSERT(outgoing->rdstate == c_stop);
+  ASSERT(outgoing->wrstate == c_stop);
+  incoming->rdstate = c_stop;
+
+  if (incoming->result < 0) {
+    pr_err("read error: %s", uv_strerror(incoming->result));
+    return do_kill(cx);
+  }
+
+  data = (uint8_t *) incoming->t.buf;
+  size = (size_t) incoming->result;
+  err = s5_parse(parser, &data, &size);
+  if (err == s5_ok) {
+    conn_read(incoming);
+    return s_req_parse;  /* Need more data. */
+  }
+
+  if (size != 0) {
+    pr_err("junk in request %u", (unsigned) size);
+    return do_kill(cx);
+  }
+
+  if (err != s5_exec_cmd) {
+    pr_err("request error: %s", s5_strerror(err));
+    return do_kill(cx);
+  }
+
+  if (parser->cmd == s5_cmd_tcp_bind) {
+    /* Not supported but relatively straightforward to implement. */
+    pr_warn("BIND requests are not supported.");
+    return do_kill(cx);
+  }
+
+  if (parser->cmd == s5_cmd_udp_assoc) {
+    /* Not supported.  Might be hard to implement because libuv has no
+     * functionality for detecting the MTU size which the RFC mandates.
+     */
+    pr_warn("UDP ASSOC requests are not supported.");
+    return do_kill(cx);
+  }
+  ASSERT(parser->cmd == s5_cmd_tcp_connect);
+
+  if (parser->atyp == s5_atyp_host) {
+    conn_getaddrinfo(outgoing, (const char *) parser->daddr);
+    return s_req_lookup;
+  }
+
+  if (parser->atyp == s5_atyp_ipv4) {
+    memset(&outgoing->t.addr4, 0, sizeof(outgoing->t.addr4));
+    outgoing->t.addr4.sin_family = AF_INET;
+    outgoing->t.addr4.sin_port = htons(parser->dport);
+    memcpy(&outgoing->t.addr4.sin_addr,
+           parser->daddr,
+           sizeof(outgoing->t.addr4.sin_addr));
+  } else if (parser->atyp == s5_atyp_ipv6) {
+    memset(&outgoing->t.addr6, 0, sizeof(outgoing->t.addr6));
+    outgoing->t.addr6.sin6_family = AF_INET6;
+    outgoing->t.addr6.sin6_port = htons(parser->dport);
+    memcpy(&outgoing->t.addr6.sin6_addr,
+           parser->daddr,
+           sizeof(outgoing->t.addr6.sin6_addr));
+  } else {
+    UNREACHABLE();
+  }
+
+  return do_req_connect_start(cx);
+}
+
+static int do_req_lookup(client_ctx *cx) {
+  s5_ctx *parser;
+  conn *incoming;
+  conn *outgoing;
+
+  parser = &cx->parser;
+  incoming = &cx->incoming;
+  outgoing = &cx->outgoing;
+  ASSERT(incoming->rdstate == c_stop);
+  ASSERT(incoming->wrstate == c_stop);
+  ASSERT(outgoing->rdstate == c_stop);
+  ASSERT(outgoing->wrstate == c_stop);
+
+  if (outgoing->result < 0) {
+    /* TODO(bnoordhuis) Escape control characters in parser->daddr. */
+    pr_err("lookup error for \"%s\": %s",
+           parser->daddr,
+           uv_strerror(outgoing->result));
+    /* Send back a 'Host unreachable' reply. */
+    conn_write(incoming, "\5\4\0\1\0\0\0\0\0\0", 10);
+    return s_kill;
+  }
+
+  /* Don't make assumptions about the offset of sin_port/sin6_port. */
+  switch (outgoing->t.addr.sa_family) {
+    case AF_INET:
+      outgoing->t.addr4.sin_port = htons(parser->dport);
+      break;
+    case AF_INET6:
+      outgoing->t.addr6.sin6_port = htons(parser->dport);
+      break;
+    default:
+      UNREACHABLE();
+  }
+
+  return do_req_connect_start(cx);
+}
+
+/* Assumes that cx->outgoing.t.sa contains a valid AF_INET/AF_INET6 address. */
+static int do_req_connect_start(client_ctx *cx) {
+  conn *incoming;
+  conn *outgoing;
+  int err;
+
+  incoming = &cx->incoming;
+  outgoing = &cx->outgoing;
+  ASSERT(incoming->rdstate == c_stop);
+  ASSERT(incoming->wrstate == c_stop);
+  ASSERT(outgoing->rdstate == c_stop);
+  ASSERT(outgoing->wrstate == c_stop);
+
+  if (!can_access(cx->sx, cx, &outgoing->t.addr)) {
+    pr_warn("connection not allowed by ruleset");
+    /* Send a 'Connection not allowed by ruleset' reply. */
+    conn_write(incoming, "\5\2\0\1\0\0\0\0\0\0", 10);
+    return s_kill;
+  }
+
+  err = conn_connect(outgoing);
+  if (err != 0) {
+    pr_err("connect error: %s\n", uv_strerror(err));
+    return do_kill(cx);
+  }
+
+  return s_req_connect;
+}
+
+static int do_req_connect(client_ctx *cx) {
+  const struct sockaddr_in6 *in6;
+  const struct sockaddr_in *in;
+  char addr_storage[sizeof(*in6)];
+  conn *incoming;
+  conn *outgoing;
+  uint8_t *buf;
+  int addrlen;
+
+  incoming = &cx->incoming;
+  outgoing = &cx->outgoing;
+  ASSERT(incoming->rdstate == c_stop);
+  ASSERT(incoming->wrstate == c_stop);
+  ASSERT(outgoing->rdstate == c_stop);
+  ASSERT(outgoing->wrstate == c_stop);
+
+  /* Build and send the reply.  Not very pretty but gets the job done. */
+  buf = (uint8_t *) incoming->t.buf;
+  if (outgoing->result == 0) {
+    /* The RFC mandates that the SOCKS server must include the local port
+     * and address in the reply.  So that's what we do.
+     */
+    addrlen = sizeof(addr_storage);
+    CHECK(0 == uv_tcp_getsockname(&outgoing->handle.tcp,
+                                  (struct sockaddr *) addr_storage,
+                                  &addrlen));
+    buf[0] = 5;  /* Version. */
+    buf[1] = 0;  /* Success. */
+    buf[2] = 0;  /* Reserved. */
+    if (addrlen == sizeof(*in)) {
+      buf[3] = 1;  /* IPv4. */
+      in = (const struct sockaddr_in *) &addr_storage;
+      memcpy(buf + 4, &in->sin_addr, 4);
+      memcpy(buf + 8, &in->sin_port, 2);
+      conn_write(incoming, buf, 10);
+    } else if (addrlen == sizeof(*in6)) {
+      buf[3] = 4;  /* IPv6. */
+      in6 = (const struct sockaddr_in6 *) &addr_storage;
+      memcpy(buf + 4, &in6->sin6_addr, 16);
+      memcpy(buf + 20, &in6->sin6_port, 2);
+      conn_write(incoming, buf, 22);
+    } else {
+      UNREACHABLE();
+    }
+    return s_proxy_start;
+  } else {
+    pr_err("upstream connection error: %s\n", uv_strerror(outgoing->result));
+    /* Send a 'Connection refused' reply. */
+    conn_write(incoming, "\5\5\0\1\0\0\0\0\0\0", 10);
+    return s_kill;
+  }
+
+  UNREACHABLE();
+  return s_kill;
+}
+
+static int do_proxy_start(client_ctx *cx) {
+  conn *incoming;
+  conn *outgoing;
+
+  incoming = &cx->incoming;
+  outgoing = &cx->outgoing;
+  ASSERT(incoming->rdstate == c_stop);
+  ASSERT(incoming->wrstate == c_done);
+  ASSERT(outgoing->rdstate == c_stop);
+  ASSERT(outgoing->wrstate == c_stop);
+  incoming->wrstate = c_stop;
+
+  if (incoming->result < 0) {
+    pr_err("write error: %s", uv_strerror(incoming->result));
+    return do_kill(cx);
+  }
+
+  conn_read(incoming);
+  conn_read(outgoing);
+  return s_proxy;
+}
+
+/* Proxy incoming data back and forth. */
+static int do_proxy(client_ctx *cx) {
+  if (conn_cycle("client", &cx->incoming, &cx->outgoing)) {
+    return do_kill(cx);
+  }
+
+  if (conn_cycle("upstream", &cx->outgoing, &cx->incoming)) {
+    return do_kill(cx);
+  }
+
+  return s_proxy;
+}
+
+static int do_kill(client_ctx *cx) {
+  int new_state;
+
+  if (cx->state >= s_almost_dead_0) {
+    return cx->state;
+  }
+
+  /* Try to cancel the request. The callback still runs but if the
+   * cancellation succeeded, it gets called with status=UV_ECANCELED.
+   */
+  new_state = s_almost_dead_1;
+  if (cx->state == s_req_lookup) {
+    new_state = s_almost_dead_0;
+    uv_cancel(&cx->outgoing.t.req);
+  }
+
+  conn_close(&cx->incoming);
+  conn_close(&cx->outgoing);
+  return new_state;
+}
+
+static int do_almost_dead(client_ctx *cx) {
+  ASSERT(cx->state >= s_almost_dead_0);
+  return cx->state + 1;  /* Another finalizer completed. */
+}
+
+static int conn_cycle(const char *who, conn *a, conn *b) {
+  if (a->result < 0) {
+    if (a->result != UV_EOF) {
+      pr_err("%s error: %s", who, uv_strerror(a->result));
+    }
+    return -1;
+  }
+
+  if (b->result < 0) {
+    return -1;
+  }
+
+  if (a->wrstate == c_done) {
+    a->wrstate = c_stop;
+  }
+
+  /* The logic is as follows: read when we don't write and write when we don't
+   * read.  That gives us back-pressure handling for free because if the peer
+   * sends data faster than we consume it, TCP congestion control kicks in.
+   */
+  if (a->wrstate == c_stop) {
+    if (b->rdstate == c_stop) {
+      conn_read(b);
+    } else if (b->rdstate == c_done) {
+      conn_write(a, b->t.buf, b->result);
+      b->rdstate = c_stop;  /* Triggers the call to conn_read() above. */
+    }
+  }
+
+  return 0;
+}
+
+static void conn_timer_reset(conn *c) {
+  CHECK(0 == uv_timer_start(&c->timer_handle,
+                            conn_timer_expire,
+                            c->idle_timeout,
+                            0));
+}
+
+static void conn_timer_expire(uv_timer_t *handle, int status) {
+  conn *c;
+
+  CHECK(0 == status);
+  c = CONTAINER_OF(handle, conn, timer_handle);
+  c->result = UV_ETIMEDOUT;
+  do_next(c->client);
+}
+
+static void conn_getaddrinfo(conn *c, const char *hostname) {
+  struct addrinfo hints;
+
+  memset(&hints, 0, sizeof(hints));
+  hints.ai_family = AF_UNSPEC;
+  hints.ai_socktype = SOCK_STREAM;
+  hints.ai_protocol = IPPROTO_TCP;
+  CHECK(0 == uv_getaddrinfo(c->client->sx->loop,
+                            &c->t.addrinfo_req,
+                            conn_getaddrinfo_done,
+                            hostname,
+                            NULL,
+                            &hints));
+  conn_timer_reset(c);
+}
+
+static void conn_getaddrinfo_done(uv_getaddrinfo_t *req,
+                                  int status,
+                                  struct addrinfo *ai) {
+  conn *c;
+
+  c = CONTAINER_OF(req, conn, t.addrinfo_req);
+  c->result = status;
+
+  if (status == 0) {
+    /* FIXME(bnoordhuis) Should try all addresses. */
+    if (ai->ai_family == AF_INET) {
+      c->t.addr4 = *(const struct sockaddr_in *) ai->ai_addr;
+    } else if (ai->ai_family == AF_INET6) {
+      c->t.addr6 = *(const struct sockaddr_in6 *) ai->ai_addr;
+    } else {
+      UNREACHABLE();
+    }
+  }
+
+  uv_freeaddrinfo(ai);
+  do_next(c->client);
+}
+
+/* Assumes that c->t.sa contains a valid AF_INET or AF_INET6 address. */
+static int conn_connect(conn *c) {
+  ASSERT(c->t.addr.sa_family == AF_INET ||
+         c->t.addr.sa_family == AF_INET6);
+  conn_timer_reset(c);
+  return uv_tcp_connect(&c->t.connect_req,
+                        &c->handle.tcp,
+                        &c->t.addr,
+                        conn_connect_done);
+}
+
+static void conn_connect_done(uv_connect_t *req, int status) {
+  conn *c;
+
+  if (status == UV_ECANCELED) {
+    return;  /* Handle has been closed. */
+  }
+
+  c = CONTAINER_OF(req, conn, t.connect_req);
+  c->result = status;
+  do_next(c->client);
+}
+
+static void conn_read(conn *c) {
+  ASSERT(c->rdstate == c_stop);
+  CHECK(0 == uv_read_start(&c->handle.stream, conn_alloc, conn_read_done));
+  c->rdstate = c_busy;
+  conn_timer_reset(c);
+}
+
+static void conn_read_done(uv_stream_t *handle,
+                           ssize_t nread,
+                           const uv_buf_t *buf) {
+  conn *c;
+
+  c = CONTAINER_OF(handle, conn, handle);
+  ASSERT(c->t.buf == buf->base);
+  ASSERT(c->rdstate == c_busy);
+  c->rdstate = c_done;
+  c->result = nread;
+
+  uv_read_stop(&c->handle.stream);
+  do_next(c->client);
+}
+
+static void conn_alloc(uv_handle_t *handle, size_t size, uv_buf_t *buf) {
+  conn *c;
+
+  c = CONTAINER_OF(handle, conn, handle);
+  ASSERT(c->rdstate == c_busy);
+  buf->base = c->t.buf;
+  buf->len = sizeof(c->t.buf);
+}
+
+static void conn_write(conn *c, const void *data, unsigned int len) {
+  uv_buf_t buf;
+
+  ASSERT(c->wrstate == c_stop || c->wrstate == c_done);
+  c->wrstate = c_busy;
+
+  /* It's okay to cast away constness here, uv_write() won't modify the
+   * memory.
+   */
+  buf.base = (char *) data;
+  buf.len = len;
+
+  CHECK(0 == uv_write(&c->write_req,
+                      &c->handle.stream,
+                      &buf,
+                      1,
+                      conn_write_done));
+  conn_timer_reset(c);
+}
+
+static void conn_write_done(uv_write_t *req, int status) {
+  conn *c;
+
+  if (status == UV_ECANCELED) {
+    return;  /* Handle has been closed. */
+  }
+
+  c = CONTAINER_OF(req, conn, write_req);
+  ASSERT(c->wrstate == c_busy);
+  c->wrstate = c_done;
+  c->result = status;
+  do_next(c->client);
+}
+
+static void conn_close(conn *c) {
+  ASSERT(c->rdstate != c_dead);
+  ASSERT(c->wrstate != c_dead);
+  c->rdstate = c_dead;
+  c->wrstate = c_dead;
+  c->timer_handle.data = c;
+  c->handle.handle.data = c;
+  uv_close(&c->handle.handle, conn_close_done);
+  uv_close((uv_handle_t *) &c->timer_handle, conn_close_done);
+}
+
+static void conn_close_done(uv_handle_t *handle) {
+  conn *c;
+
+  c = handle->data;
+  do_next(c->client);
+}

third-party/libuv/samples/socks5-proxy/defs.h

@@ -0,0 +1,139 @@
+/* Copyright StrongLoop, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef DEFS_H_
+#define DEFS_H_
+
+#include "s5.h"
+#include "uv.h"
+
+#include <assert.h>
+#include <netinet/in.h>  /* sockaddr_in, sockaddr_in6 */
+#include <stddef.h>      /* size_t, ssize_t */
+#include <stdint.h>
+#include <sys/socket.h>  /* sockaddr */
+
+struct client_ctx;
+
+typedef struct {
+  const char *bind_host;
+  unsigned short bind_port;
+  unsigned int idle_timeout;
+} server_config;
+
+typedef struct {
+  unsigned int idle_timeout;  /* Connection idle timeout in ms. */
+  uv_tcp_t tcp_handle;
+  uv_loop_t *loop;
+} server_ctx;
+
+typedef struct {
+  unsigned char rdstate;
+  unsigned char wrstate;
+  unsigned int idle_timeout;
+  struct client_ctx *client;  /* Backlink to owning client context. */
+  ssize_t result;
+  union {
+    uv_handle_t handle;
+    uv_stream_t stream;
+    uv_tcp_t tcp;
+    uv_udp_t udp;
+  } handle;
+  uv_timer_t timer_handle;  /* For detecting timeouts. */
+  uv_write_t write_req;
+  /* We only need one of these at a time so make them share memory. */
+  union {
+    uv_getaddrinfo_t addrinfo_req;
+    uv_connect_t connect_req;
+    uv_req_t req;
+    struct sockaddr_in6 addr6;
+    struct sockaddr_in addr4;
+    struct sockaddr addr;
+    char buf[2048];  /* Scratch space. Used to read data into. */
+  } t;
+} conn;
+
+typedef struct client_ctx {
+  unsigned int state;
+  server_ctx *sx;  /* Backlink to owning server context. */
+  s5_ctx parser;  /* The SOCKS protocol parser. */
+  conn incoming;  /* Connection with the SOCKS client. */
+  conn outgoing;  /* Connection with upstream. */
+} client_ctx;
+
+/* server.c */
+int server_run(const server_config *cf, uv_loop_t *loop);
+int can_auth_none(const server_ctx *sx, const client_ctx *cx);
+int can_auth_passwd(const server_ctx *sx, const client_ctx *cx);
+int can_access(const server_ctx *sx,
+               const client_ctx *cx,
+               const struct sockaddr *addr);
+
+/* client.c */
+void client_finish_init(server_ctx *sx, client_ctx *cx);
+
+/* util.c */
+#if defined(__GNUC__)
+# define ATTRIBUTE_FORMAT_PRINTF(a, b) __attribute__((format(printf, a, b)))
+#else
+# define ATTRIBUTE_FORMAT_PRINTF(a, b)
+#endif
+void pr_info(const char *fmt, ...) ATTRIBUTE_FORMAT_PRINTF(1, 2);
+void pr_warn(const char *fmt, ...) ATTRIBUTE_FORMAT_PRINTF(1, 2);
+void pr_err(const char *fmt, ...) ATTRIBUTE_FORMAT_PRINTF(1, 2);
+void *xmalloc(size_t size);
+
+/* main.c */
+const char *_getprogname(void);
+
+/* getopt.c */
+#if !HAVE_UNISTD_H
+extern char *optarg;
+int getopt(int argc, char **argv, const char *options);
+#endif
+
+/* ASSERT() is for debug checks, CHECK() for run-time sanity checks.
+ * DEBUG_CHECKS is for expensive debug checks that we only want to
+ * enable in debug builds but still want type-checked by the compiler
+ * in release builds.
+ */
+#if defined(NDEBUG)
+# define ASSERT(exp)
+# define CHECK(exp)   do { if (!(exp)) abort(); } while (0)
+# define DEBUG_CHECKS (0)
+#else
+# define ASSERT(exp)  assert(exp)
+# define CHECK(exp)   assert(exp)
+# define DEBUG_CHECKS (1)
+#endif
+
+#define UNREACHABLE() CHECK(!"Unreachable code reached.")
+
+/* This macro looks complicated but it's not: it calculates the address
+ * of the embedding struct through the address of the embedded struct.
+ * In other words, if struct A embeds struct B, then we can obtain
+ * the address of A by taking the address of B and subtracting the
+ * field offset of B in A.
+ */
+#define CONTAINER_OF(ptr, type, field)                                        \
+  ((type *) ((char *) (ptr) - ((char *) &((type *) 0)->field)))
+
+#endif  /* DEFS_H_ */

third-party/libuv/samples/socks5-proxy/getopt.c

@@ -0,0 +1,131 @@
+/*	$NetBSD: getopt.c,v 1.26 2003/08/07 16:43:40 agc Exp $	*/
+
+/*
+ * Copyright (c) 1987, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getopt.c	8.3 (Berkeley) 4/27/95";
+#endif /* LIBC_SCCS and not lint */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+extern const char *_getprogname(void);
+
+int	opterr = 1,		/* if error message should be printed */
+	optind = 1,		/* index into parent argv vector */
+	optopt,			/* character checked for validity */
+	optreset;		/* reset getopt */
+char	*optarg;		/* argument associated with option */
+
+#define	BADCH	(int)'?'
+#define	BADARG	(int)':'
+#define	EMSG	""
+
+/*
+ * getopt --
+ *	Parse argc/argv argument vector.
+ */
+int
+getopt(nargc, nargv, ostr)
+	int nargc;
+	char * const nargv[];
+	const char *ostr;
+{
+	static char *place = EMSG;		/* option letter processing */
+	char *oli;				/* option letter list index */
+
+	if (optreset || *place == 0) {		/* update scanning pointer */
+		optreset = 0;
+		place = nargv[optind];
+		if (optind >= nargc || *place++ != '-') {
+			/* Argument is absent or is not an option */
+			place = EMSG;
+			return (-1);
+		}
+		optopt = *place++;
+		if (optopt == '-' && *place == 0) {
+			/* "--" => end of options */
+			++optind;
+			place = EMSG;
+			return (-1);
+		}
+		if (optopt == 0) {
+			/* Solitary '-', treat as a '-' option
+			   if the program (eg su) is looking for it. */
+			place = EMSG;
+			if (strchr(ostr, '-') == NULL)
+				return (-1);
+			optopt = '-';
+		}
+	} else
+		optopt = *place++;
+
+	/* See if option letter is one the caller wanted... */
+	if (optopt == ':' || (oli = strchr(ostr, optopt)) == NULL) {
+		if (*place == 0)
+			++optind;
+		if (opterr && *ostr != ':')
+			(void)fprintf(stderr,
+			    "%s: illegal option -- %c\n", _getprogname(),
+			    optopt);
+		return (BADCH);
+	}
+
+	/* Does this option need an argument? */
+	if (oli[1] != ':') {
+		/* don't need argument */
+		optarg = NULL;
+		if (*place == 0)
+			++optind;
+	} else {
+		/* Option-argument is either the rest of this argument or the
+		   entire next argument. */
+		if (*place)
+			optarg = place;
+		else if (nargc > ++optind)
+			optarg = nargv[optind];
+		else {
+			/* option-argument absent */
+			place = EMSG;
+			if (*ostr == ':')
+				return (BADARG);
+			if (opterr)
+				(void)fprintf(stderr,
+				    "%s: option requires an argument -- %c\n",
+				    _getprogname(), optopt);
+			return (BADCH);
+		}
+		place = EMSG;
+		++optind;
+	}
+	return (optopt);			/* return option letter */
+}

third-party/libuv/samples/socks5-proxy/main.c

@@ -0,0 +1,99 @@
+/* Copyright StrongLoop, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "defs.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#if HAVE_UNISTD_H
+#include <unistd.h>  /* getopt */
+#endif
+
+#define DEFAULT_BIND_HOST     "127.0.0.1"
+#define DEFAULT_BIND_PORT     1080
+#define DEFAULT_IDLE_TIMEOUT  (60 * 1000)
+
+static void parse_opts(server_config *cf, int argc, char **argv);
+static void usage(void);
+
+static const char *progname = __FILE__;  /* Reset in main(). */
+
+int main(int argc, char **argv) {
+  server_config config;
+  int err;
+
+  progname = argv[0];
+  memset(&config, 0, sizeof(config));
+  config.bind_host = DEFAULT_BIND_HOST;
+  config.bind_port = DEFAULT_BIND_PORT;
+  config.idle_timeout = DEFAULT_IDLE_TIMEOUT;
+  parse_opts(&config, argc, argv);
+
+  err = server_run(&config, uv_default_loop());
+  if (err) {
+    exit(1);
+  }
+
+  return 0;
+}
+
+const char *_getprogname(void) {
+  return progname;
+}
+
+static void parse_opts(server_config *cf, int argc, char **argv) {
+  int opt;
+
+  while (-1 != (opt = getopt(argc, argv, "H:hp:"))) {
+    switch (opt) {
+      case 'H':
+        cf->bind_host = optarg;
+        break;
+
+      case 'p':
+        if (1 != sscanf(optarg, "%hu", &cf->bind_port)) {
+          pr_err("bad port number: %s", optarg);
+          usage();
+        }
+        break;
+
+      default:
+        usage();
+    }
+  }
+}
+
+static void usage(void) {
+  printf("Usage:\n"
+         "\n"
+         "  %s [-b <address> [-h] [-p <port>]\n"
+         "\n"
+         "Options:\n"
+         "\n"
+         "  -b <hostname|address>  Bind to this address or hostname.\n"
+         "                         Default: \"127.0.0.1\"\n"
+         "  -h                     Show this help message.\n"
+         "  -p <port>              Bind to this port number.  Default: 1080\n"
+         "",
+         progname);
+  exit(1);
+}

third-party/libuv/samples/socks5-proxy/s5.c

@@ -0,0 +1,271 @@
+/* Copyright StrongLoop, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "s5.h"
+#include <errno.h>
+#include <stdint.h>
+#include <stdlib.h>  /* abort() */
+#include <string.h>  /* memset() */
+
+enum {
+  s5_version,
+  s5_nmethods,
+  s5_methods,
+  s5_auth_pw_version,
+  s5_auth_pw_userlen,
+  s5_auth_pw_username,
+  s5_auth_pw_passlen,
+  s5_auth_pw_password,
+  s5_req_version,
+  s5_req_cmd,
+  s5_req_reserved,
+  s5_req_atyp,
+  s5_req_atyp_host,
+  s5_req_daddr,
+  s5_req_dport0,
+  s5_req_dport1,
+  s5_dead
+};
+
+void s5_init(s5_ctx *cx) {
+  memset(cx, 0, sizeof(*cx));
+  cx->state = s5_version;
+}
+
+s5_err s5_parse(s5_ctx *cx, uint8_t **data, size_t *size) {
+  s5_err err;
+  uint8_t *p;
+  uint8_t c;
+  size_t i;
+  size_t n;
+
+  p = *data;
+  n = *size;
+  i = 0;
+
+  while (i < n) {
+    c = p[i];
+    i += 1;
+    switch (cx->state) {
+      case s5_version:
+        if (c != 5) {
+          err = s5_bad_version;
+          goto out;
+        }
+        cx->state = s5_nmethods;
+        break;
+
+      case s5_nmethods:
+        cx->arg0 = 0;
+        cx->arg1 = c;  /* Number of bytes to read. */
+        cx->state = s5_methods;
+        break;
+
+      case s5_methods:
+        if (cx->arg0 < cx->arg1) {
+          switch (c) {
+            case 0:
+              cx->methods |= S5_AUTH_NONE;
+              break;
+            case 1:
+              cx->methods |= S5_AUTH_GSSAPI;
+              break;
+            case 2:
+              cx->methods |= S5_AUTH_PASSWD;
+              break;
+            /* Ignore everything we don't understand. */
+          }
+          cx->arg0 += 1;
+        }
+        if (cx->arg0 == cx->arg1) {
+          err = s5_auth_select;
+          goto out;
+        }
+        break;
+
+      case s5_auth_pw_version:
+        if (c != 1) {
+          err = s5_bad_version;
+          goto out;
+        }
+        cx->state = s5_auth_pw_userlen;
+        break;
+
+      case s5_auth_pw_userlen:
+        cx->arg0 = 0;
+        cx->userlen = c;
+        cx->state = s5_auth_pw_username;
+        break;
+
+      case s5_auth_pw_username:
+        if (cx->arg0 < cx->userlen) {
+          cx->username[cx->arg0] = c;
+          cx->arg0 += 1;
+        }
+        if (cx->arg0 == cx->userlen) {
+          cx->username[cx->userlen] = '\0';
+          cx->state = s5_auth_pw_passlen;
+        }
+        break;
+
+      case s5_auth_pw_passlen:
+        cx->arg0 = 0;
+        cx->passlen = c;
+        cx->state = s5_auth_pw_password;
+        break;
+
+      case s5_auth_pw_password:
+        if (cx->arg0 < cx->passlen) {
+          cx->password[cx->arg0] = c;
+          cx->arg0 += 1;
+        }
+        if (cx->arg0 == cx->passlen) {
+          cx->password[cx->passlen] = '\0';
+          cx->state = s5_req_version;
+          err = s5_auth_verify;
+          goto out;
+        }
+        break;
+
+      case s5_req_version:
+        if (c != 5) {
+          err = s5_bad_version;
+          goto out;
+        }
+        cx->state = s5_req_cmd;
+        break;
+
+      case s5_req_cmd:
+        switch (c) {
+          case 1:  /* TCP connect */
+            cx->cmd = s5_cmd_tcp_connect;
+            break;
+          case 3:  /* UDP associate */
+            cx->cmd = s5_cmd_udp_assoc;
+            break;
+          default:
+            err = s5_bad_cmd;
+            goto out;
+        }
+        cx->state = s5_req_reserved;
+        break;
+
+      case s5_req_reserved:
+        cx->state = s5_req_atyp;
+        break;
+
+      case s5_req_atyp:
+        cx->arg0 = 0;
+        switch (c) {
+          case 1:  /* IPv4, four octets. */
+            cx->state = s5_req_daddr;
+            cx->atyp = s5_atyp_ipv4;
+            cx->arg1 = 4;
+            break;
+          case 3:  /* Hostname.  First byte is length. */
+            cx->state = s5_req_atyp_host;
+            cx->atyp = s5_atyp_host;
+            cx->arg1 = 0;
+            break;
+          case 4:  /* IPv6, sixteen octets. */
+            cx->state = s5_req_daddr;
+            cx->atyp = s5_atyp_ipv6;
+            cx->arg1 = 16;
+            break;
+          default:
+            err = s5_bad_atyp;
+            goto out;
+        }
+        break;
+
+      case s5_req_atyp_host:
+        cx->arg1 = c;
+        cx->state = s5_req_daddr;
+        break;
+
+      case s5_req_daddr:
+        if (cx->arg0 < cx->arg1) {
+          cx->daddr[cx->arg0] = c;
+          cx->arg0 += 1;
+        }
+        if (cx->arg0 == cx->arg1) {
+          cx->daddr[cx->arg1] = '\0';
+          cx->state = s5_req_dport0;
+        }
+        break;
+
+      case s5_req_dport0:
+        cx->dport = c << 8;
+        cx->state = s5_req_dport1;
+        break;
+
+      case s5_req_dport1:
+        cx->dport |= c;
+        cx->state = s5_dead;
+        err = s5_exec_cmd;
+        goto out;
+
+      case s5_dead:
+        break;
+
+      default:
+        abort();
+    }
+  }
+  err = s5_ok;
+
+out:
+  *data = p + i;
+  *size = n - i;
+  return err;
+}
+
+unsigned int s5_auth_methods(const s5_ctx *cx) {
+  return cx->methods;
+}
+
+int s5_select_auth(s5_ctx *cx, s5_auth_method method) {
+  int err;
+
+  err = 0;
+  switch (method) {
+    case S5_AUTH_NONE:
+      cx->state = s5_req_version;
+      break;
+    case S5_AUTH_PASSWD:
+      cx->state = s5_auth_pw_version;
+      break;
+    default:
+      err = -EINVAL;
+  }
+
+  return err;
+}
+
+const char *s5_strerror(s5_err err) {
+#define S5_ERR_GEN(_, name, errmsg) case s5_ ## name: return errmsg;
+  switch (err) {
+    S5_ERR_MAP(S5_ERR_GEN)
+    default: ;  /* Silence s5_max_errors -Wswitch warning. */
+  }
+#undef S5_ERR_GEN
+  return "Unknown error.";
+}

third-party/libuv/samples/socks5-proxy/s5.h

@@ -0,0 +1,94 @@
+/* Copyright StrongLoop, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef S5_H_
+#define S5_H_
+
+#include <stddef.h>
+#include <stdint.h>
+
+#define S5_ERR_MAP(V)                                                         \
+  V(-1, bad_version, "Bad protocol version.")                                 \
+  V(-2, bad_cmd, "Bad protocol command.")                                     \
+  V(-3, bad_atyp, "Bad address type.")                                        \
+  V(0, ok, "No error.")                                                       \
+  V(1, auth_select, "Select authentication method.")                          \
+  V(2, auth_verify, "Verify authentication.")                                 \
+  V(3, exec_cmd, "Execute command.")                                          \
+
+typedef enum {
+#define S5_ERR_GEN(code, name, _) s5_ ## name = code,
+  S5_ERR_MAP(S5_ERR_GEN)
+#undef S5_ERR_GEN
+  s5_max_errors
+} s5_err;
+
+typedef enum {
+  S5_AUTH_NONE = 1 << 0,
+  S5_AUTH_GSSAPI = 1 << 1,
+  S5_AUTH_PASSWD = 1 << 2
+} s5_auth_method;
+
+typedef enum {
+  s5_auth_allow,
+  s5_auth_deny
+} s5_auth_result;
+
+typedef enum {
+  s5_atyp_ipv4,
+  s5_atyp_ipv6,
+  s5_atyp_host
+} s5_atyp;
+
+typedef enum {
+  s5_cmd_tcp_connect,
+  s5_cmd_tcp_bind,
+  s5_cmd_udp_assoc
+} s5_cmd;
+
+typedef struct {
+  uint32_t arg0;  /* Scratch space for the state machine. */
+  uint32_t arg1;  /* Scratch space for the state machine. */
+  uint8_t state;
+  uint8_t methods;
+  uint8_t cmd;
+  uint8_t atyp;
+  uint8_t userlen;
+  uint8_t passlen;
+  uint16_t dport;
+  uint8_t username[257];
+  uint8_t password[257];
+  uint8_t daddr[257];  /* TODO(bnoordhuis) Merge with username/password. */
+} s5_ctx;
+
+void s5_init(s5_ctx *ctx);
+
+s5_err s5_parse(s5_ctx *cx, uint8_t **data, size_t *size);
+
+/* Only call after s5_parse() has returned s5_want_auth_method. */
+unsigned int s5_auth_methods(const s5_ctx *cx);
+
+/* Call after s5_parse() has returned s5_want_auth_method. */
+int s5_select_auth(s5_ctx *cx, s5_auth_method method);
+
+const char *s5_strerror(s5_err err);
+
+#endif  /* S5_H_ */

third-party/libuv/samples/socks5-proxy/server.c

@@ -0,0 +1,241 @@
+/* Copyright StrongLoop, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "defs.h"
+#include <netinet/in.h>  /* INET6_ADDRSTRLEN */
+#include <stdlib.h>
+#include <string.h>
+
+#ifndef INET6_ADDRSTRLEN
+# define INET6_ADDRSTRLEN 63
+#endif
+
+typedef struct {
+  uv_getaddrinfo_t getaddrinfo_req;
+  server_config config;
+  server_ctx *servers;
+  uv_loop_t *loop;
+} server_state;
+
+static void do_bind(uv_getaddrinfo_t *req, int status, struct addrinfo *ai);
+static void on_connection(uv_stream_t *server, int status);
+
+int server_run(const server_config *cf, uv_loop_t *loop) {
+  struct addrinfo hints;
+  server_state state;
+  int err;
+
+  memset(&state, 0, sizeof(state));
+  state.servers = NULL;
+  state.config = *cf;
+  state.loop = loop;
+
+  /* Resolve the address of the interface that we should bind to.
+   * The getaddrinfo callback starts the server and everything else.
+   */
+  memset(&hints, 0, sizeof(hints));
+  hints.ai_family = AF_UNSPEC;
+  hints.ai_socktype = SOCK_STREAM;
+  hints.ai_protocol = IPPROTO_TCP;
+
+  err = uv_getaddrinfo(loop,
+                       &state.getaddrinfo_req,
+                       do_bind,
+                       cf->bind_host,
+                       NULL,
+                       &hints);
+  if (err != 0) {
+    pr_err("getaddrinfo: %s", uv_strerror(err));
+    return err;
+  }
+
+  /* Start the event loop.  Control continues in do_bind(). */
+  if (uv_run(loop, UV_RUN_DEFAULT)) {
+    abort();
+  }
+
+  /* Please Valgrind. */
+  uv_loop_delete(loop);
+  free(state.servers);
+  return 0;
+}
+
+/* Bind a server to each address that getaddrinfo() reported. */
+static void do_bind(uv_getaddrinfo_t *req, int status, struct addrinfo *addrs) {
+  char addrbuf[INET6_ADDRSTRLEN + 1];
+  unsigned int ipv4_naddrs;
+  unsigned int ipv6_naddrs;
+  server_state *state;
+  server_config *cf;
+  struct addrinfo *ai;
+  const void *addrv;
+  const char *what;
+  uv_loop_t *loop;
+  server_ctx *sx;
+  unsigned int n;
+  int err;
+  union {
+    struct sockaddr addr;
+    struct sockaddr_in addr4;
+    struct sockaddr_in6 addr6;
+  } s;
+
+  state = CONTAINER_OF(req, server_state, getaddrinfo_req);
+  loop = state->loop;
+  cf = &state->config;
+
+  if (status < 0) {
+    pr_err("getaddrinfo(\"%s\"): %s", cf->bind_host, uv_strerror(status));
+    uv_freeaddrinfo(addrs);
+    return;
+  }
+
+  ipv4_naddrs = 0;
+  ipv6_naddrs = 0;
+  for (ai = addrs; ai != NULL; ai = ai->ai_next) {
+    if (ai->ai_family == AF_INET) {
+      ipv4_naddrs += 1;
+    } else if (ai->ai_family == AF_INET6) {
+      ipv6_naddrs += 1;
+    }
+  }
+
+  if (ipv4_naddrs == 0 && ipv6_naddrs == 0) {
+    pr_err("%s has no IPv4/6 addresses", cf->bind_host);
+    uv_freeaddrinfo(addrs);
+    return;
+  }
+
+  state->servers =
+      xmalloc((ipv4_naddrs + ipv6_naddrs) * sizeof(state->servers[0]));
+
+  n = 0;
+  for (ai = addrs; ai != NULL; ai = ai->ai_next) {
+    if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6) {
+      continue;
+    }
+
+    if (ai->ai_family == AF_INET) {
+      s.addr4 = *(const struct sockaddr_in *) ai->ai_addr;
+      s.addr4.sin_port = htons(cf->bind_port);
+      addrv = &s.addr4.sin_addr;
+    } else if (ai->ai_family == AF_INET6) {
+      s.addr6 = *(const struct sockaddr_in6 *) ai->ai_addr;
+      s.addr6.sin6_port = htons(cf->bind_port);
+      addrv = &s.addr6.sin6_addr;
+    } else {
+      UNREACHABLE();
+    }
+
+    if (uv_inet_ntop(s.addr.sa_family, addrv, addrbuf, sizeof(addrbuf))) {
+      UNREACHABLE();
+    }
+
+    sx = state->servers + n;
+    sx->loop = loop;
+    sx->idle_timeout = state->config.idle_timeout;
+    CHECK(0 == uv_tcp_init(loop, &sx->tcp_handle));
+
+    what = "uv_tcp_bind";
+    err = uv_tcp_bind(&sx->tcp_handle, &s.addr, 0);
+    if (err == 0) {
+      what = "uv_listen";
+      err = uv_listen((uv_stream_t *) &sx->tcp_handle, 128, on_connection);
+    }
+
+    if (err != 0) {
+      pr_err("%s(\"%s:%hu\"): %s",
+             what,
+             addrbuf,
+             cf->bind_port,
+             uv_strerror(err));
+      while (n > 0) {
+        n -= 1;
+        uv_close((uv_handle_t *) (state->servers + n), NULL);
+      }
+      break;
+    }
+
+    pr_info("listening on %s:%hu", addrbuf, cf->bind_port);
+    n += 1;
+  }
+
+  uv_freeaddrinfo(addrs);
+}
+
+static void on_connection(uv_stream_t *server, int status) {
+  server_ctx *sx;
+  client_ctx *cx;
+
+  CHECK(status == 0);
+  sx = CONTAINER_OF(server, server_ctx, tcp_handle);
+  cx = xmalloc(sizeof(*cx));
+  CHECK(0 == uv_tcp_init(sx->loop, &cx->incoming.handle.tcp));
+  CHECK(0 == uv_accept(server, &cx->incoming.handle.stream));
+  client_finish_init(sx, cx);
+}
+
+int can_auth_none(const server_ctx *sx, const client_ctx *cx) {
+  return 1;
+}
+
+int can_auth_passwd(const server_ctx *sx, const client_ctx *cx) {
+  return 0;
+}
+
+int can_access(const server_ctx *sx,
+               const client_ctx *cx,
+               const struct sockaddr *addr) {
+  const struct sockaddr_in6 *addr6;
+  const struct sockaddr_in *addr4;
+  const uint32_t *p;
+  uint32_t a;
+  uint32_t b;
+  uint32_t c;
+  uint32_t d;
+
+  /* TODO(bnoordhuis) Implement proper access checks.  For now, just reject
+   * traffic to localhost.
+   */
+  if (addr->sa_family == AF_INET) {
+    addr4 = (const struct sockaddr_in *) addr;
+    d = ntohl(addr4->sin_addr.s_addr);
+    return (d >> 24) != 0x7F;
+  }
+
+  if (addr->sa_family == AF_INET6) {
+    addr6 = (const struct sockaddr_in6 *) addr;
+    p = (const uint32_t *) &addr6->sin6_addr.s6_addr;
+    a = ntohl(p[0]);
+    b = ntohl(p[1]);
+    c = ntohl(p[2]);
+    d = ntohl(p[3]);
+    if (a == 0 && b == 0 && c == 0 && d == 1) {
+      return 0;  /* "::1" style address. */
+    }
+    if (a == 0 && b == 0 && c == 0xFFFF && (d >> 24) == 0x7F) {
+      return 0;  /* "::ffff:127.x.x.x" style address. */
+    }
+    return 1;
+  }
+
+  return 0;
+}

third-party/libuv/samples/socks5-proxy/util.c

@@ -0,0 +1,72 @@
+/* Copyright StrongLoop, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "defs.h"
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static void pr_do(FILE *stream,
+                  const char *label,
+                  const char *fmt,
+                  va_list ap);
+
+void *xmalloc(size_t size) {
+  void *ptr;
+
+  ptr = malloc(size);
+  if (ptr == NULL) {
+    pr_err("out of memory, need %lu bytes", (unsigned long) size);
+    exit(1);
+  }
+
+  return ptr;
+}
+
+void pr_info(const char *fmt, ...) {
+  va_list ap;
+  va_start(ap, fmt);
+  pr_do(stdout, "info", fmt, ap);
+  va_end(ap);
+}
+
+void pr_warn(const char *fmt, ...) {
+  va_list ap;
+  va_start(ap, fmt);
+  pr_do(stderr, "warn", fmt, ap);
+  va_end(ap);
+}
+
+void pr_err(const char *fmt, ...) {
+  va_list ap;
+  va_start(ap, fmt);
+  pr_do(stderr, "error", fmt, ap);
+  va_end(ap);
+}
+
+static void pr_do(FILE *stream,
+                  const char *label,
+                  const char *fmt,
+                  va_list ap) {
+  char fmtbuf[1024];
+  vsnprintf(fmtbuf, sizeof(fmtbuf), fmt, ap);
+  fprintf(stream, "%s:%s: %s\n", _getprogname(), label, fmtbuf);
+}

third-party/libuv/src/fs-poll.c

@@ -0,0 +1,223 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "uv-common.h"
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+struct poll_ctx {
+  uv_fs_poll_t* parent_handle; /* NULL if parent has been stopped or closed */
+  int busy_polling;
+  unsigned int interval;
+  uint64_t start_time;
+  uv_loop_t* loop;
+  uv_fs_poll_cb poll_cb;
+  uv_timer_t timer_handle;
+  uv_fs_t fs_req; /* TODO(bnoordhuis) mark fs_req internal */
+  uv_stat_t statbuf;
+  char path[1]; /* variable length */
+};
+
+static int statbuf_eq(const uv_stat_t* a, const uv_stat_t* b);
+static void poll_cb(uv_fs_t* req);
+static void timer_cb(uv_timer_t* timer, int status);
+static void timer_close_cb(uv_handle_t* handle);
+
+static uv_stat_t zero_statbuf;
+
+
+int uv_fs_poll_init(uv_loop_t* loop, uv_fs_poll_t* handle) {
+  uv__handle_init(loop, (uv_handle_t*)handle, UV_FS_POLL);
+  return 0;
+}
+
+
+int uv_fs_poll_start(uv_fs_poll_t* handle,
+                     uv_fs_poll_cb cb,
+                     const char* path,
+                     unsigned int interval) {
+  struct poll_ctx* ctx;
+  uv_loop_t* loop;
+  size_t len;
+
+  if (uv__is_active(handle))
+    return 0;
+
+  loop = handle->loop;
+  len = strlen(path);
+  ctx = calloc(1, sizeof(*ctx) + len);
+
+  if (ctx == NULL)
+    return UV_ENOMEM;
+
+  ctx->loop = loop;
+  ctx->poll_cb = cb;
+  ctx->interval = interval ? interval : 1;
+  ctx->start_time = uv_now(loop);
+  ctx->parent_handle = handle;
+  memcpy(ctx->path, path, len + 1);
+
+  if (uv_timer_init(loop, &ctx->timer_handle))
+    abort();
+
+  ctx->timer_handle.flags |= UV__HANDLE_INTERNAL;
+  uv__handle_unref(&ctx->timer_handle);
+
+  if (uv_fs_stat(loop, &ctx->fs_req, ctx->path, poll_cb))
+    abort();
+
+  handle->poll_ctx = ctx;
+  uv__handle_start(handle);
+
+  return 0;
+}
+
+
+int uv_fs_poll_stop(uv_fs_poll_t* handle) {
+  struct poll_ctx* ctx;
+
+  if (!uv__is_active(handle))
+    return 0;
+
+  ctx = handle->poll_ctx;
+  assert(ctx != NULL);
+  assert(ctx->parent_handle != NULL);
+  ctx->parent_handle = NULL;
+  handle->poll_ctx = NULL;
+
+  /* Close the timer if it's active. If it's inactive, there's a stat request
+   * in progress and poll_cb will take care of the cleanup.
+   */
+  if (uv__is_active(&ctx->timer_handle))
+    uv_close((uv_handle_t*)&ctx->timer_handle, timer_close_cb);
+
+  uv__handle_stop(handle);
+
+  return 0;
+}
+
+
+void uv__fs_poll_close(uv_fs_poll_t* handle) {
+  uv_fs_poll_stop(handle);
+}
+
+
+static void timer_cb(uv_timer_t* timer, int status) {
+  struct poll_ctx* ctx;
+
+  ctx = container_of(timer, struct poll_ctx, timer_handle);
+  assert(ctx->parent_handle != NULL);
+  assert(ctx->parent_handle->poll_ctx == ctx);
+  ctx->start_time = uv_now(ctx->loop);
+
+  if (uv_fs_stat(ctx->loop, &ctx->fs_req, ctx->path, poll_cb))
+    abort();
+}
+
+
+static void poll_cb(uv_fs_t* req) {
+  uv_stat_t* statbuf;
+  struct poll_ctx* ctx;
+  uint64_t interval;
+
+  ctx = container_of(req, struct poll_ctx, fs_req);
+
+  if (ctx->parent_handle == NULL) { /* handle has been stopped or closed */
+    uv_close((uv_handle_t*)&ctx->timer_handle, timer_close_cb);
+    uv_fs_req_cleanup(req);
+    return;
+  }
+
+  if (req->result != 0) {
+    if (ctx->busy_polling != req->result) {
+      ctx->poll_cb(ctx->parent_handle,
+                   req->result,
+                   &ctx->statbuf,
+                   &zero_statbuf);
+      ctx->busy_polling = req->result;
+    }
+    goto out;
+  }
+
+  statbuf = &req->statbuf;
+
+  if (ctx->busy_polling != 0)
+    if (ctx->busy_polling < 0 || !statbuf_eq(&ctx->statbuf, statbuf))
+      ctx->poll_cb(ctx->parent_handle, 0, &ctx->statbuf, statbuf);
+
+  ctx->statbuf = *statbuf;
+  ctx->busy_polling = 1;
+
+out:
+  uv_fs_req_cleanup(req);
+
+  if (ctx->parent_handle == NULL) { /* handle has been stopped by callback */
+    uv_close((uv_handle_t*)&ctx->timer_handle, timer_close_cb);
+    return;
+  }
+
+  /* Reschedule timer, subtract the delay from doing the stat(). */
+  interval = ctx->interval;
+  interval -= (uv_now(ctx->loop) - ctx->start_time) % interval;
+
+  if (uv_timer_start(&ctx->timer_handle, timer_cb, interval, 0))
+    abort();
+}
+
+
+static void timer_close_cb(uv_handle_t* handle) {
+  free(container_of(handle, struct poll_ctx, timer_handle));
+}
+
+
+static int statbuf_eq(const uv_stat_t* a, const uv_stat_t* b) {
+  return a->st_ctim.tv_nsec == b->st_ctim.tv_nsec
+      && a->st_mtim.tv_nsec == b->st_mtim.tv_nsec
+      && a->st_birthtim.tv_nsec == b->st_birthtim.tv_nsec
+      && a->st_ctim.tv_sec == b->st_ctim.tv_sec
+      && a->st_mtim.tv_sec == b->st_mtim.tv_sec
+      && a->st_birthtim.tv_sec == b->st_birthtim.tv_sec
+      && a->st_size == b->st_size
+      && a->st_mode == b->st_mode
+      && a->st_uid == b->st_uid
+      && a->st_gid == b->st_gid
+      && a->st_ino == b->st_ino
+      && a->st_dev == b->st_dev
+      && a->st_flags == b->st_flags
+      && a->st_gen == b->st_gen;
+}
+
+
+#if defined(_WIN32)
+
+#include "win/internal.h"
+#include "win/handle-inl.h"
+
+void uv__fs_poll_endgame(uv_loop_t* loop, uv_fs_poll_t* handle) {
+  assert(handle->flags & UV__HANDLE_CLOSING);
+  assert(!(handle->flags & UV_HANDLE_CLOSED));
+  uv__handle_close(handle);
+}
+
+#endif /* _WIN32 */

third-party/libuv/src/inet.c

@@ -0,0 +1,294 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#if defined(_MSC_VER) && _MSC_VER < 1600
+# include "stdint-msvc2008.h"
+#else
+# include <stdint.h>
+#endif
+
+#include "uv.h"
+#include "uv-common.h"
+
+
+static int inet_ntop4(const unsigned char *src, char *dst, size_t size);
+static int inet_ntop6(const unsigned char *src, char *dst, size_t size);
+static int inet_pton4(const char *src, unsigned char *dst);
+static int inet_pton6(const char *src, unsigned char *dst);
+
+
+int uv_inet_ntop(int af, const void* src, char* dst, size_t size) {
+  switch (af) {
+  case AF_INET:
+    return (inet_ntop4(src, dst, size));
+  case AF_INET6:
+    return (inet_ntop6(src, dst, size));
+  default:
+    return UV_EAFNOSUPPORT;
+  }
+  /* NOTREACHED */
+}
+
+
+static int inet_ntop4(const unsigned char *src, char *dst, size_t size) {
+  static const char fmt[] = "%u.%u.%u.%u";
+  char tmp[sizeof "255.255.255.255"];
+  int l;
+
+#ifndef _WIN32
+  l = snprintf(tmp, sizeof(tmp), fmt, src[0], src[1], src[2], src[3]);
+#else
+  l = _snprintf(tmp, sizeof(tmp), fmt, src[0], src[1], src[2], src[3]);
+#endif
+  if (l <= 0 || (size_t) l >= size) {
+    return UV_ENOSPC;
+  }
+  strncpy(dst, tmp, size);
+  dst[size - 1] = '\0';
+  return 0;
+}
+
+
+static int inet_ntop6(const unsigned char *src, char *dst, size_t size) {
+  /*
+   * Note that int32_t and int16_t need only be "at least" large enough
+   * to contain a value of the specified size.  On some systems, like
+   * Crays, there is no such thing as an integer variable with 16 bits.
+   * Keep this in mind if you think this function should have been coded
+   * to use pointer overlays.  All the world's not a VAX.
+   */
+  char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"], *tp;
+  struct { int base, len; } best, cur;
+  unsigned int words[sizeof(struct in6_addr) / sizeof(uint16_t)];
+  int i;
+
+  /*
+   * Preprocess:
+   *  Copy the input (bytewise) array into a wordwise array.
+   *  Find the longest run of 0x00's in src[] for :: shorthanding.
+   */
+  memset(words, '\0', sizeof words);
+  for (i = 0; i < (int) sizeof(struct in6_addr); i++)
+    words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3));
+  best.base = -1;
+  best.len = 0;
+  cur.base = -1;
+  cur.len = 0;
+  for (i = 0; i < (int) ARRAY_SIZE(words); i++) {
+    if (words[i] == 0) {
+      if (cur.base == -1)
+        cur.base = i, cur.len = 1;
+      else
+        cur.len++;
+    } else {
+      if (cur.base != -1) {
+        if (best.base == -1 || cur.len > best.len)
+          best = cur;
+        cur.base = -1;
+      }
+    }
+  }
+  if (cur.base != -1) {
+    if (best.base == -1 || cur.len > best.len)
+      best = cur;
+  }
+  if (best.base != -1 && best.len < 2)
+    best.base = -1;
+
+  /*
+   * Format the result.
+   */
+  tp = tmp;
+  for (i = 0; i < (int) ARRAY_SIZE(words); i++) {
+    /* Are we inside the best run of 0x00's? */
+    if (best.base != -1 && i >= best.base &&
+        i < (best.base + best.len)) {
+      if (i == best.base)
+        *tp++ = ':';
+      continue;
+    }
+    /* Are we following an initial run of 0x00s or any real hex? */
+    if (i != 0)
+      *tp++ = ':';
+    /* Is this address an encapsulated IPv4? */
+    if (i == 6 && best.base == 0 && (best.len == 6 ||
+        (best.len == 7 && words[7] != 0x0001) ||
+        (best.len == 5 && words[5] == 0xffff))) {
+      int err = inet_ntop4(src+12, tp, sizeof tmp - (tp - tmp));
+      if (err)
+        return err;
+      tp += strlen(tp);
+      break;
+    }
+    tp += sprintf(tp, "%x", words[i]);
+  }
+  /* Was it a trailing run of 0x00's? */
+  if (best.base != -1 && (best.base + best.len) == ARRAY_SIZE(words))
+    *tp++ = ':';
+  *tp++ = '\0';
+
+  /*
+   * Check for overflow, copy, and we're done.
+   */
+  if ((size_t)(tp - tmp) > size) {
+    return UV_ENOSPC;
+  }
+  strcpy(dst, tmp);
+  return 0;
+}
+
+
+int uv_inet_pton(int af, const char* src, void* dst) {
+  switch (af) {
+  case AF_INET:
+    return (inet_pton4(src, dst));
+  case AF_INET6:
+    return (inet_pton6(src, dst));
+  default:
+    return UV_EAFNOSUPPORT;
+  }
+  /* NOTREACHED */
+}
+
+
+static int inet_pton4(const char *src, unsigned char *dst) {
+  static const char digits[] = "0123456789";
+  int saw_digit, octets, ch;
+  unsigned char tmp[sizeof(struct in_addr)], *tp;
+
+  saw_digit = 0;
+  octets = 0;
+  *(tp = tmp) = 0;
+  while ((ch = *src++) != '\0') {
+    const char *pch;
+
+    if ((pch = strchr(digits, ch)) != NULL) {
+      unsigned int nw = *tp * 10 + (pch - digits);
+
+      if (saw_digit && *tp == 0)
+        return UV_EINVAL;
+      if (nw > 255)
+        return UV_EINVAL;
+      *tp = nw;
+      if (!saw_digit) {
+        if (++octets > 4)
+          return UV_EINVAL;
+        saw_digit = 1;
+      }
+    } else if (ch == '.' && saw_digit) {
+      if (octets == 4)
+        return UV_EINVAL;
+      *++tp = 0;
+      saw_digit = 0;
+    } else
+      return UV_EINVAL;
+  }
+  if (octets < 4)
+    return UV_EINVAL;
+  memcpy(dst, tmp, sizeof(struct in_addr));
+  return 0;
+}
+
+
+static int inet_pton6(const char *src, unsigned char *dst) {
+  static const char xdigits_l[] = "0123456789abcdef",
+                    xdigits_u[] = "0123456789ABCDEF";
+  unsigned char tmp[sizeof(struct in6_addr)], *tp, *endp, *colonp;
+  const char *xdigits, *curtok;
+  int ch, seen_xdigits;
+  unsigned int val;
+
+  memset((tp = tmp), '\0', sizeof tmp);
+  endp = tp + sizeof tmp;
+  colonp = NULL;
+  /* Leading :: requires some special handling. */
+  if (*src == ':')
+    if (*++src != ':')
+      return UV_EINVAL;
+  curtok = src;
+  seen_xdigits = 0;
+  val = 0;
+  while ((ch = *src++) != '\0') {
+    const char *pch;
+
+    if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL)
+      pch = strchr((xdigits = xdigits_u), ch);
+    if (pch != NULL) {
+      val <<= 4;
+      val |= (pch - xdigits);
+      if (++seen_xdigits > 4)
+        return UV_EINVAL;
+      continue;
+    }
+    if (ch == ':') {
+      curtok = src;
+      if (!seen_xdigits) {
+        if (colonp)
+          return UV_EINVAL;
+        colonp = tp;
+        continue;
+      } else if (*src == '\0') {
+        return UV_EINVAL;
+      }
+      if (tp + sizeof(uint16_t) > endp)
+        return UV_EINVAL;
+      *tp++ = (unsigned char) (val >> 8) & 0xff;
+      *tp++ = (unsigned char) val & 0xff;
+      seen_xdigits = 0;
+      val = 0;
+      continue;
+    }
+    if (ch == '.' && ((tp + sizeof(struct in_addr)) <= endp)) {
+      int err = inet_pton4(curtok, tp);
+      if (err == 0) {
+        tp += sizeof(struct in_addr);
+        seen_xdigits = 0;
+        break;  /*%< '\\0' was seen by inet_pton4(). */
+      }
+    }
+    return UV_EINVAL;
+  }
+  if (seen_xdigits) {
+    if (tp + sizeof(uint16_t) > endp)
+      return UV_EINVAL;
+    *tp++ = (unsigned char) (val >> 8) & 0xff;
+    *tp++ = (unsigned char) val & 0xff;
+  }
+  if (colonp != NULL) {
+    /*
+     * Since some memmove()'s erroneously fail to handle
+     * overlapping regions, we'll do the shift by hand.
+     */
+    const int n = tp - colonp;
+    int i;
+
+    if (tp == endp)
+      return UV_EINVAL;
+    for (i = 1; i <= n; i++) {
+      endp[- i] = colonp[n - i];
+      colonp[n - i] = 0;
+    }
+    tp = endp;
+  }
+  if (tp != endp)
+    return UV_EINVAL;
+  memcpy(dst, tmp, sizeof tmp);
+  return 0;
+}

third-party/libuv/src/queue.h

@@ -0,0 +1,92 @@
+/* Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef QUEUE_H_
+#define QUEUE_H_
+
+typedef void *QUEUE[2];
+
+/* Private macros. */
+#define QUEUE_NEXT(q)       (*(QUEUE **) &((*(q))[0]))
+#define QUEUE_PREV(q)       (*(QUEUE **) &((*(q))[1]))
+#define QUEUE_PREV_NEXT(q)  (QUEUE_NEXT(QUEUE_PREV(q)))
+#define QUEUE_NEXT_PREV(q)  (QUEUE_PREV(QUEUE_NEXT(q)))
+
+/* Public macros. */
+#define QUEUE_DATA(ptr, type, field)                                          \
+  ((type *) ((char *) (ptr) - ((char *) &((type *) 0)->field)))
+
+#define QUEUE_FOREACH(q, h)                                                   \
+  for ((q) = QUEUE_NEXT(h); (q) != (h); (q) = QUEUE_NEXT(q))
+
+#define QUEUE_EMPTY(q)                                                        \
+  ((const QUEUE *) (q) == (const QUEUE *) QUEUE_NEXT(q))
+
+#define QUEUE_HEAD(q)                                                         \
+  (QUEUE_NEXT(q))
+
+#define QUEUE_INIT(q)                                                         \
+  do {                                                                        \
+    QUEUE_NEXT(q) = (q);                                                      \
+    QUEUE_PREV(q) = (q);                                                      \
+  }                                                                           \
+  while (0)
+
+#define QUEUE_ADD(h, n)                                                       \
+  do {                                                                        \
+    QUEUE_PREV_NEXT(h) = QUEUE_NEXT(n);                                       \
+    QUEUE_NEXT_PREV(n) = QUEUE_PREV(h);                                       \
+    QUEUE_PREV(h) = QUEUE_PREV(n);                                            \
+    QUEUE_PREV_NEXT(h) = (h);                                                 \
+  }                                                                           \
+  while (0)
+
+#define QUEUE_SPLIT(h, q, n)                                                  \
+  do {                                                                        \
+    QUEUE_PREV(n) = QUEUE_PREV(h);                                            \
+    QUEUE_PREV_NEXT(n) = (n);                                                 \
+    QUEUE_NEXT(n) = (q);                                                      \
+    QUEUE_PREV(h) = QUEUE_PREV(q);                                            \
+    QUEUE_PREV_NEXT(h) = (h);                                                 \
+    QUEUE_PREV(q) = (n);                                                      \
+  }                                                                           \
+  while (0)
+
+#define QUEUE_INSERT_HEAD(h, q)                                               \
+  do {                                                                        \
+    QUEUE_NEXT(q) = QUEUE_NEXT(h);                                            \
+    QUEUE_PREV(q) = (h);                                                      \
+    QUEUE_NEXT_PREV(q) = (q);                                                 \
+    QUEUE_NEXT(h) = (q);                                                      \
+  }                                                                           \
+  while (0)
+
+#define QUEUE_INSERT_TAIL(h, q)                                               \
+  do {                                                                        \
+    QUEUE_NEXT(q) = (h);                                                      \
+    QUEUE_PREV(q) = QUEUE_PREV(h);                                            \
+    QUEUE_PREV_NEXT(q) = (q);                                                 \
+    QUEUE_PREV(h) = (q);                                                      \
+  }                                                                           \
+  while (0)
+
+#define QUEUE_REMOVE(q)                                                       \
+  do {                                                                        \
+    QUEUE_PREV_NEXT(q) = QUEUE_NEXT(q);                                       \
+    QUEUE_NEXT_PREV(q) = QUEUE_PREV(q);                                       \
+  }                                                                           \
+  while (0)
+
+#endif /* QUEUE_H_ */

third-party/libuv/src/unix/aix.c

@@ -0,0 +1,399 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <sys/time.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <utmp.h>
+
+#include <sys/protosw.h>
+#include <libperfstat.h>
+#include <sys/proc.h>
+#include <sys/procfs.h>
+
+uint64_t uv__hrtime(uv_clocktype_t type) {
+  uint64_t G = 1000000000;
+  timebasestruct_t t;
+  read_wall_time(&t, TIMEBASE_SZ);
+  time_base_to_time(&t, TIMEBASE_SZ);
+  return (uint64_t) t.tb_high * G + t.tb_low;
+}
+
+
+/*
+ * We could use a static buffer for the path manipulations that we need outside
+ * of the function, but this function could be called by multiple consumers and
+ * we don't want to potentially create a race condition in the use of snprintf.
+ */
+int uv_exepath(char* buffer, size_t* size) {
+  ssize_t res;
+  char pp[64], cwdl[PATH_MAX];
+  struct psinfo ps;
+  int fd;
+
+  if (buffer == NULL)
+    return (-1);
+
+  if (size == NULL)
+    return (-1);
+
+  (void) snprintf(pp, sizeof(pp), "/proc/%lu/cwd", (unsigned long) getpid());
+
+  res = readlink(pp, cwdl, sizeof(cwdl) - 1);
+  if (res < 0)
+    return res;
+
+  cwdl[res] = '\0';
+
+  (void) snprintf(pp, sizeof(pp), "/proc/%lu/psinfo", (unsigned long) getpid());
+  fd = open(pp, O_RDONLY);
+  if (fd < 0)
+    return fd;
+
+  res = read(fd, &ps, sizeof(ps));
+  uv__close(fd);
+  if (res < 0)
+    return res;
+
+  (void) snprintf(buffer, *size, "%s%s", cwdl, ps.pr_fname);
+  *size = strlen(buffer);
+  return 0;
+}
+
+
+uint64_t uv_get_free_memory(void) {
+  perfstat_memory_total_t mem_total;
+  int result = perfstat_memory_total(NULL, &mem_total, sizeof(mem_total), 1);
+  if (result == -1) {
+    return 0;
+  }
+  return mem_total.real_free * 4096;
+}
+
+
+uint64_t uv_get_total_memory(void) {
+  perfstat_memory_total_t mem_total;
+  int result = perfstat_memory_total(NULL, &mem_total, sizeof(mem_total), 1);
+  if (result == -1) {
+    return 0;
+  }
+  return mem_total.real_total * 4096;
+}
+
+
+void uv_loadavg(double avg[3]) {
+  perfstat_cpu_total_t ps_total;
+  int result = perfstat_cpu_total(NULL, &ps_total, sizeof(ps_total), 1);
+  if (result == -1) {
+    avg[0] = 0.; avg[1] = 0.; avg[2] = 0.;
+    return;
+  }
+  avg[0] = ps_total.loadavg[0] / (double)(1 << SBITS);
+  avg[1] = ps_total.loadavg[1] / (double)(1 << SBITS);
+  avg[2] = ps_total.loadavg[2] / (double)(1 << SBITS);
+}
+
+
+int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle) {
+  return -ENOSYS;
+}
+
+
+int uv_fs_event_start(uv_fs_event_t* handle,
+                      uv_fs_event_cb cb,
+                      const char* filename,
+                      unsigned int flags) {
+  return -ENOSYS;
+}
+
+
+int uv_fs_event_stop(uv_fs_event_t* handle) {
+  return -ENOSYS;
+}
+
+
+void uv__fs_event_close(uv_fs_event_t* handle) {
+  UNREACHABLE();
+}
+
+
+char** uv_setup_args(int argc, char** argv) {
+  return argv;
+}
+
+
+int uv_set_process_title(const char* title) {
+  return 0;
+}
+
+
+int uv_get_process_title(char* buffer, size_t size) {
+  if (size > 0) {
+    buffer[0] = '\0';
+  }
+  return 0;
+}
+
+
+int uv_resident_set_memory(size_t* rss) {
+  char pp[64];
+  psinfo_t psinfo;
+  int err;
+  int fd;
+
+  (void) snprintf(pp, sizeof(pp), "/proc/%lu/psinfo", (unsigned long) getpid());
+
+  fd = open(pp, O_RDONLY);
+  if (fd == -1)
+    return -errno;
+
+  /* FIXME(bnoordhuis) Handle EINTR. */
+  err = -EINVAL;
+  if (read(fd, &psinfo, sizeof(psinfo)) == sizeof(psinfo)) {
+    *rss = (size_t)psinfo.pr_rssize * 1024;
+    err = 0;
+  }
+  uv__close(fd);
+
+  return err;
+}
+
+
+int uv_uptime(double* uptime) {
+  struct utmp *utmp_buf;
+  size_t entries = 0;
+  time_t boot_time;
+
+  utmpname(UTMP_FILE);
+
+  setutent();
+
+  while ((utmp_buf = getutent()) != NULL) {
+    if (utmp_buf->ut_user[0] && utmp_buf->ut_type == USER_PROCESS)
+      ++entries;
+    if (utmp_buf->ut_type == BOOT_TIME)
+      boot_time = utmp_buf->ut_time;
+  }
+
+  endutent();
+
+  if (boot_time == 0)
+    return -ENOSYS;
+
+  *uptime = time(NULL) - boot_time;
+  return 0;
+}
+
+
+int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
+  uv_cpu_info_t* cpu_info;
+  perfstat_cpu_total_t ps_total;
+  perfstat_cpu_t* ps_cpus;
+  perfstat_id_t cpu_id;
+  int result, ncpus, idx = 0;
+
+  result = perfstat_cpu_total(NULL, &ps_total, sizeof(ps_total), 1);
+  if (result == -1) {
+    return -ENOSYS;
+  }
+
+  ncpus = result = perfstat_cpu(NULL, NULL, sizeof(perfstat_cpu_t), 0);
+  if (result == -1) {
+    return -ENOSYS;
+  }
+
+  ps_cpus = (perfstat_cpu_t*) malloc(ncpus * sizeof(perfstat_cpu_t));
+  if (!ps_cpus) {
+    return -ENOMEM;
+  }
+
+  strcpy(cpu_id.name, FIRST_CPU);
+  result = perfstat_cpu(&cpu_id, ps_cpus, sizeof(perfstat_cpu_t), ncpus);
+  if (result == -1) {
+    free(ps_cpus);
+    return -ENOSYS;
+  }
+
+  *cpu_infos = (uv_cpu_info_t*) malloc(ncpus * sizeof(uv_cpu_info_t));
+  if (!*cpu_infos) {
+    free(ps_cpus);
+    return -ENOMEM;
+  }
+
+  *count = ncpus;
+
+  cpu_info = *cpu_infos;
+  while (idx < ncpus) {
+    cpu_info->speed = (int)(ps_total.processorHZ / 1000000);
+    cpu_info->model = strdup(ps_total.description);
+    cpu_info->cpu_times.user = ps_cpus[idx].user;
+    cpu_info->cpu_times.sys = ps_cpus[idx].sys;
+    cpu_info->cpu_times.idle = ps_cpus[idx].idle;
+    cpu_info->cpu_times.irq = ps_cpus[idx].wait;
+    cpu_info->cpu_times.nice = 0;
+    cpu_info++;
+    idx++;
+  }
+
+  free(ps_cpus);
+  return 0;
+}
+
+
+void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) {
+  int i;
+
+  for (i = 0; i < count; ++i) {
+    free(cpu_infos[i].model);
+  }
+
+  free(cpu_infos);
+}
+
+
+int uv_interface_addresses(uv_interface_address_t** addresses,
+  int* count) {
+  uv_interface_address_t* address;
+  int sockfd, size = 1;
+  struct ifconf ifc;
+  struct ifreq *ifr, *p, flg;
+
+  *count = 0;
+
+  if (0 > (sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP))) {
+    return -ENOSYS;
+  }
+
+  if (ioctl(sockfd, SIOCGSIZIFCONF, &size) == -1) {
+    uv__close(sockfd);
+    return -ENOSYS;
+  }
+
+  ifc.ifc_req = (struct ifreq*)malloc(size);
+  ifc.ifc_len = size;
+  if (ioctl(sockfd, SIOCGIFCONF, &ifc) == -1) {
+    uv__close(sockfd);
+    return -ENOSYS;
+  }
+
+#define ADDR_SIZE(p) MAX((p).sa_len, sizeof(p))
+
+  /* Count all up and running ipv4/ipv6 addresses */
+  ifr = ifc.ifc_req;
+  while ((char*)ifr < (char*)ifc.ifc_req + ifc.ifc_len) {
+    p = ifr;
+    ifr = (struct ifreq*)
+      ((char*)ifr + sizeof(ifr->ifr_name) + ADDR_SIZE(ifr->ifr_addr));
+
+    if (!(p->ifr_addr.sa_family == AF_INET6 ||
+          p->ifr_addr.sa_family == AF_INET))
+      continue;
+
+    memcpy(flg.ifr_name, p->ifr_name, sizeof(flg.ifr_name));
+    if (ioctl(sockfd, SIOCGIFFLAGS, &flg) == -1) {
+      uv__close(sockfd);
+      return -ENOSYS;
+    }
+
+    if (!(flg.ifr_flags & IFF_UP && flg.ifr_flags & IFF_RUNNING))
+      continue;
+
+    (*count)++;
+  }
+
+  /* Alloc the return interface structs */
+  *addresses = (uv_interface_address_t*)
+    malloc(*count * sizeof(uv_interface_address_t));
+  if (!(*addresses)) {
+    uv__close(sockfd);
+    return -ENOMEM;
+  }
+  address = *addresses;
+
+  ifr = ifc.ifc_req;
+  while ((char*)ifr < (char*)ifc.ifc_req + ifc.ifc_len) {
+    p = ifr;
+    ifr = (struct ifreq*)
+      ((char*)ifr + sizeof(ifr->ifr_name) + ADDR_SIZE(ifr->ifr_addr));
+
+    if (!(p->ifr_addr.sa_family == AF_INET6 ||
+          p->ifr_addr.sa_family == AF_INET))
+      continue;
+
+    memcpy(flg.ifr_name, p->ifr_name, sizeof(flg.ifr_name));
+    if (ioctl(sockfd, SIOCGIFFLAGS, &flg) == -1) {
+      uv__close(sockfd);
+      return -ENOSYS;
+    }
+
+    if (!(flg.ifr_flags & IFF_UP && flg.ifr_flags & IFF_RUNNING))
+      continue;
+
+    /* All conditions above must match count loop */
+
+    address->name = strdup(p->ifr_name);
+
+    if (p->ifr_addr.sa_family == AF_INET6) {
+      address->address.address6 = *((struct sockaddr_in6*) &p->ifr_addr);
+    } else {
+      address->address.address4 = *((struct sockaddr_in*) &p->ifr_addr);
+    }
+
+    /* TODO: Retrieve netmask using SIOCGIFNETMASK ioctl */
+
+    address->is_internal = flg.ifr_flags & IFF_LOOPBACK ? 1 : 0;
+
+    address++;
+  }
+
+#undef ADDR_SIZE
+
+  uv__close(sockfd);
+  return 0;
+}
+
+
+void uv_free_interface_addresses(uv_interface_address_t* addresses,
+  int count) {
+  int i;
+
+  for (i = 0; i < count; ++i) {
+    free(addresses[i].name);
+  }
+
+  free(addresses);
+}

third-party/libuv/src/unix/async.c

@@ -0,0 +1,290 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/* This file contains both the uv__async internal infrastructure and the
+ * user-facing uv_async_t functions.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <errno.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static void uv__async_event(uv_loop_t* loop,
+                            struct uv__async* w,
+                            unsigned int nevents);
+static int uv__async_make_pending(int* pending);
+static int uv__async_eventfd(void);
+
+
+int uv_async_init(uv_loop_t* loop, uv_async_t* handle, uv_async_cb async_cb) {
+  int err;
+
+  err = uv__async_start(loop, &loop->async_watcher, uv__async_event);
+  if (err)
+    return err;
+
+  uv__handle_init(loop, (uv_handle_t*)handle, UV_ASYNC);
+  handle->async_cb = async_cb;
+  handle->pending = 0;
+
+  QUEUE_INSERT_TAIL(&loop->async_handles, &handle->queue);
+  uv__handle_start(handle);
+
+  return 0;
+}
+
+
+int uv_async_send(uv_async_t* handle) {
+  if (uv__async_make_pending(&handle->pending) == 0)
+    uv__async_send(&handle->loop->async_watcher);
+
+  return 0;
+}
+
+
+void uv__async_close(uv_async_t* handle) {
+  QUEUE_REMOVE(&handle->queue);
+  uv__handle_stop(handle);
+}
+
+
+static void uv__async_event(uv_loop_t* loop,
+                            struct uv__async* w,
+                            unsigned int nevents) {
+  QUEUE* q;
+  uv_async_t* h;
+
+  QUEUE_FOREACH(q, &loop->async_handles) {
+    h = QUEUE_DATA(q, uv_async_t, queue);
+
+    if (h->pending == 0)
+      continue;
+    h->pending = 0;
+
+    if (h->async_cb == NULL)
+      continue;
+    h->async_cb(h, 0);
+  }
+}
+
+
+static int uv__async_make_pending(int* pending) {
+  /* Do a cheap read first. */
+  if (ACCESS_ONCE(int, *pending) != 0)
+    return 1;
+
+  /* Micro-optimization: use atomic memory operations to detect if we've been
+   * preempted by another thread and don't have to make an expensive syscall.
+   * This speeds up the heavily contended case by about 1-2% and has little
+   * if any impact on the non-contended case.
+   *
+   * Use XCHG instead of the CMPXCHG that __sync_val_compare_and_swap() emits
+   * on x86, it's about 4x faster. It probably makes zero difference in the
+   * grand scheme of things but I'm OCD enough not to let this one pass.
+   */
+#if defined(__i386__) || defined(__x86_64__)
+  {
+    unsigned int val = 1;
+    __asm__ __volatile__ ("xchgl %0, %1"
+                         : "+r" (val)
+                         : "m"  (*pending));
+    return val != 0;
+  }
+#elif defined(__GNUC__) && (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ > 0)
+  return __sync_val_compare_and_swap(pending, 0, 1) != 0;
+#else
+  ACCESS_ONCE(int, *pending) = 1;
+  return 0;
+#endif
+}
+
+
+static void uv__async_io(uv_loop_t* loop, uv__io_t* w, unsigned int events) {
+  struct uv__async* wa;
+  char buf[1024];
+  unsigned n;
+  ssize_t r;
+
+  n = 0;
+  for (;;) {
+    r = read(w->fd, buf, sizeof(buf));
+
+    if (r > 0)
+      n += r;
+
+    if (r == sizeof(buf))
+      continue;
+
+    if (r != -1)
+      break;
+
+    if (errno == EAGAIN || errno == EWOULDBLOCK)
+      break;
+
+    if (errno == EINTR)
+      continue;
+
+    abort();
+  }
+
+  wa = container_of(w, struct uv__async, io_watcher);
+
+#if defined(__linux__)
+  if (wa->wfd == -1) {
+    uint64_t val;
+    assert(n == sizeof(val));
+    memcpy(&val, buf, sizeof(val));  /* Avoid alignment issues. */
+    wa->cb(loop, wa, val);
+    return;
+  }
+#endif
+
+  wa->cb(loop, wa, n);
+}
+
+
+void uv__async_send(struct uv__async* wa) {
+  const void* buf;
+  ssize_t len;
+  int fd;
+  int r;
+
+  buf = "";
+  len = 1;
+  fd = wa->wfd;
+
+#if defined(__linux__)
+  if (fd == -1) {
+    static const uint64_t val = 1;
+    buf = &val;
+    len = sizeof(val);
+    fd = wa->io_watcher.fd;  /* eventfd */
+  }
+#endif
+
+  do
+    r = write(fd, buf, len);
+  while (r == -1 && errno == EINTR);
+
+  if (r == len)
+    return;
+
+  if (r == -1)
+    if (errno == EAGAIN || errno == EWOULDBLOCK)
+      return;
+
+  abort();
+}
+
+
+void uv__async_init(struct uv__async* wa) {
+  wa->io_watcher.fd = -1;
+  wa->wfd = -1;
+}
+
+
+int uv__async_start(uv_loop_t* loop, struct uv__async* wa, uv__async_cb cb) {
+  int pipefd[2];
+  int err;
+
+  if (wa->io_watcher.fd != -1)
+    return 0;
+
+  err = uv__async_eventfd();
+  if (err >= 0) {
+    pipefd[0] = err;
+    pipefd[1] = -1;
+  }
+  else if (err == -ENOSYS)
+    err = uv__make_pipe(pipefd, UV__F_NONBLOCK);
+
+  if (err < 0)
+    return err;
+
+  uv__io_init(&wa->io_watcher, uv__async_io, pipefd[0]);
+  uv__io_start(loop, &wa->io_watcher, UV__POLLIN);
+  wa->wfd = pipefd[1];
+  wa->cb = cb;
+
+  return 0;
+}
+
+
+void uv__async_stop(uv_loop_t* loop, struct uv__async* wa) {
+  if (wa->io_watcher.fd == -1)
+    return;
+
+  uv__io_stop(loop, &wa->io_watcher, UV__POLLIN);
+  uv__close(wa->io_watcher.fd);
+  wa->io_watcher.fd = -1;
+
+  if (wa->wfd != -1) {
+    uv__close(wa->wfd);
+    wa->wfd = -1;
+  }
+}
+
+
+static int uv__async_eventfd() {
+#if defined(__linux__)
+  static int no_eventfd2;
+  static int no_eventfd;
+  int fd;
+
+  if (no_eventfd2)
+    goto skip_eventfd2;
+
+  fd = uv__eventfd2(0, UV__EFD_CLOEXEC | UV__EFD_NONBLOCK);
+  if (fd != -1)
+    return fd;
+
+  if (errno != ENOSYS)
+    return -errno;
+
+  no_eventfd2 = 1;
+
+skip_eventfd2:
+
+  if (no_eventfd)
+    goto skip_eventfd;
+
+  fd = uv__eventfd(0);
+  if (fd != -1) {
+    uv__cloexec(fd, 1);
+    uv__nonblock(fd, 1);
+    return fd;
+  }
+
+  if (errno != ENOSYS)
+    return -errno;
+
+  no_eventfd = 1;
+
+skip_eventfd:
+
+#endif
+
+  return -ENOSYS;
+}

third-party/libuv/src/unix/atomic-ops.h

@@ -0,0 +1,60 @@
+/* Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef UV_ATOMIC_OPS_H_
+#define UV_ATOMIC_OPS_H_
+
+#include "internal.h"  /* UV_UNUSED */
+
+UV_UNUSED(static int cmpxchgi(int* ptr, int oldval, int newval));
+UV_UNUSED(static long cmpxchgl(long* ptr, long oldval, long newval));
+UV_UNUSED(static void cpu_relax(void));
+
+/* Prefer hand-rolled assembly over the gcc builtins because the latter also
+ * issue full memory barriers.
+ */
+UV_UNUSED(static int cmpxchgi(int* ptr, int oldval, int newval)) {
+#if defined(__i386__) || defined(__x86_64__)
+  int out;
+  __asm__ __volatile__ ("lock; cmpxchg %2, %1;"
+                        : "=a" (out), "+m" (*(volatile int*) ptr)
+                        : "r" (newval), "0" (oldval)
+                        : "memory");
+  return out;
+#else
+  return __sync_val_compare_and_swap(ptr, oldval, newval);
+#endif
+}
+
+UV_UNUSED(static long cmpxchgl(long* ptr, long oldval, long newval)) {
+#if defined(__i386__) || defined(__x86_64__)
+  long out;
+  __asm__ __volatile__ ("lock; cmpxchg %2, %1;"
+                        : "=a" (out), "+m" (*(volatile long*) ptr)
+                        : "r" (newval), "0" (oldval)
+                        : "memory");
+  return out;
+#else
+  return __sync_val_compare_and_swap(ptr, oldval, newval);
+#endif
+}
+
+UV_UNUSED(static void cpu_relax(void)) {
+#if defined(__i386__) || defined(__x86_64__)
+  __asm__ __volatile__ ("rep; nop");  /* a.k.a. PAUSE */
+#endif
+}
+
+#endif  /* UV_ATOMIC_OPS_H_ */

third-party/libuv/src/unix/core.c

@@ -0,0 +1,787 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <stddef.h> /* NULL */
+#include <stdio.h> /* printf */
+#include <stdlib.h>
+#include <string.h> /* strerror */
+#include <errno.h>
+#include <assert.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <limits.h> /* INT_MAX, PATH_MAX */
+#include <sys/uio.h> /* writev */
+
+#ifdef __linux__
+# include <sys/ioctl.h>
+#endif
+
+#ifdef __sun
+# include <sys/types.h>
+# include <sys/wait.h>
+#endif
+
+#ifdef __APPLE__
+# include <mach-o/dyld.h> /* _NSGetExecutablePath */
+# include <sys/filio.h>
+# include <sys/ioctl.h>
+#endif
+
+#ifdef __FreeBSD__
+# include <sys/sysctl.h>
+# include <sys/filio.h>
+# include <sys/ioctl.h>
+# include <sys/wait.h>
+#endif
+
+static void uv__run_pending(uv_loop_t* loop);
+
+/* Verify that uv_buf_t is ABI-compatible with struct iovec. */
+STATIC_ASSERT(sizeof(uv_buf_t) == sizeof(struct iovec));
+STATIC_ASSERT(sizeof(&((uv_buf_t*) 0)->base) ==
+              sizeof(((struct iovec*) 0)->iov_base));
+STATIC_ASSERT(sizeof(&((uv_buf_t*) 0)->len) ==
+              sizeof(((struct iovec*) 0)->iov_len));
+STATIC_ASSERT(offsetof(uv_buf_t, base) == offsetof(struct iovec, iov_base));
+STATIC_ASSERT(offsetof(uv_buf_t, len) == offsetof(struct iovec, iov_len));
+
+
+uint64_t uv_hrtime(void) {
+  return uv__hrtime(UV_CLOCK_PRECISE);
+}
+
+
+void uv_close(uv_handle_t* handle, uv_close_cb close_cb) {
+  assert(!(handle->flags & (UV_CLOSING | UV_CLOSED)));
+
+  handle->flags |= UV_CLOSING;
+  handle->close_cb = close_cb;
+
+  switch (handle->type) {
+  case UV_NAMED_PIPE:
+    uv__pipe_close((uv_pipe_t*)handle);
+    break;
+
+  case UV_TTY:
+    uv__stream_close((uv_stream_t*)handle);
+    break;
+
+  case UV_TCP:
+    uv__tcp_close((uv_tcp_t*)handle);
+    break;
+
+  case UV_UDP:
+    uv__udp_close((uv_udp_t*)handle);
+    break;
+
+  case UV_PREPARE:
+    uv__prepare_close((uv_prepare_t*)handle);
+    break;
+
+  case UV_CHECK:
+    uv__check_close((uv_check_t*)handle);
+    break;
+
+  case UV_IDLE:
+    uv__idle_close((uv_idle_t*)handle);
+    break;
+
+  case UV_ASYNC:
+    uv__async_close((uv_async_t*)handle);
+    break;
+
+  case UV_TIMER:
+    uv__timer_close((uv_timer_t*)handle);
+    break;
+
+  case UV_PROCESS:
+    uv__process_close((uv_process_t*)handle);
+    break;
+
+  case UV_FS_EVENT:
+    uv__fs_event_close((uv_fs_event_t*)handle);
+    break;
+
+  case UV_POLL:
+    uv__poll_close((uv_poll_t*)handle);
+    break;
+
+  case UV_FS_POLL:
+    uv__fs_poll_close((uv_fs_poll_t*)handle);
+    break;
+
+  case UV_SIGNAL:
+    uv__signal_close((uv_signal_t*) handle);
+    /* Signal handles may not be closed immediately. The signal code will */
+    /* itself close uv__make_close_pending whenever appropriate. */
+    return;
+
+  default:
+    assert(0);
+  }
+
+  uv__make_close_pending(handle);
+}
+
+
+void uv__make_close_pending(uv_handle_t* handle) {
+  assert(handle->flags & UV_CLOSING);
+  assert(!(handle->flags & UV_CLOSED));
+  handle->next_closing = handle->loop->closing_handles;
+  handle->loop->closing_handles = handle;
+}
+
+
+static void uv__finish_close(uv_handle_t* handle) {
+  /* Note: while the handle is in the UV_CLOSING state now, it's still possible
+   * for it to be active in the sense that uv__is_active() returns true.
+   * A good example is when the user calls uv_shutdown(), immediately followed
+   * by uv_close(). The handle is considered active at this point because the
+   * completion of the shutdown req is still pending.
+   */
+  assert(handle->flags & UV_CLOSING);
+  assert(!(handle->flags & UV_CLOSED));
+  handle->flags |= UV_CLOSED;
+
+  switch (handle->type) {
+    case UV_PREPARE:
+    case UV_CHECK:
+    case UV_IDLE:
+    case UV_ASYNC:
+    case UV_TIMER:
+    case UV_PROCESS:
+    case UV_FS_EVENT:
+    case UV_FS_POLL:
+    case UV_POLL:
+    case UV_SIGNAL:
+      break;
+
+    case UV_NAMED_PIPE:
+    case UV_TCP:
+    case UV_TTY:
+      uv__stream_destroy((uv_stream_t*)handle);
+      break;
+
+    case UV_UDP:
+      uv__udp_finish_close((uv_udp_t*)handle);
+      break;
+
+    default:
+      assert(0);
+      break;
+  }
+
+  uv__handle_unref(handle);
+  QUEUE_REMOVE(&handle->handle_queue);
+
+  if (handle->close_cb) {
+    handle->close_cb(handle);
+  }
+}
+
+
+static void uv__run_closing_handles(uv_loop_t* loop) {
+  uv_handle_t* p;
+  uv_handle_t* q;
+
+  p = loop->closing_handles;
+  loop->closing_handles = NULL;
+
+  while (p) {
+    q = p->next_closing;
+    uv__finish_close(p);
+    p = q;
+  }
+}
+
+
+int uv_is_closing(const uv_handle_t* handle) {
+  return uv__is_closing(handle);
+}
+
+
+int uv_backend_fd(const uv_loop_t* loop) {
+  return loop->backend_fd;
+}
+
+
+int uv_backend_timeout(const uv_loop_t* loop) {
+  if (loop->stop_flag != 0)
+    return 0;
+
+  if (!uv__has_active_handles(loop) && !uv__has_active_reqs(loop))
+    return 0;
+
+  if (!QUEUE_EMPTY(&loop->idle_handles))
+    return 0;
+
+  if (loop->closing_handles)
+    return 0;
+
+  return uv__next_timeout(loop);
+}
+
+
+static int uv__loop_alive(const uv_loop_t* loop) {
+  return uv__has_active_handles(loop) ||
+         uv__has_active_reqs(loop) ||
+         loop->closing_handles != NULL;
+}
+
+
+int uv_loop_alive(const uv_loop_t* loop) {
+    return uv__loop_alive(loop);
+}
+
+
+int uv_run(uv_loop_t* loop, uv_run_mode mode) {
+  int timeout;
+  int r;
+
+  r = uv__loop_alive(loop);
+  if (!r)
+    uv__update_time(loop);
+
+  while (r != 0 && loop->stop_flag == 0) {
+    UV_TICK_START(loop, mode);
+
+    uv__update_time(loop);
+    uv__run_timers(loop);
+    uv__run_idle(loop);
+    uv__run_prepare(loop);
+    uv__run_pending(loop);
+
+    timeout = 0;
+    if ((mode & UV_RUN_NOWAIT) == 0)
+      timeout = uv_backend_timeout(loop);
+
+    uv__io_poll(loop, timeout);
+    uv__run_check(loop);
+    uv__run_closing_handles(loop);
+
+    if (mode == UV_RUN_ONCE) {
+      /* UV_RUN_ONCE implies forward progess: at least one callback must have
+       * been invoked when it returns. uv__io_poll() can return without doing
+       * I/O (meaning: no callbacks) when its timeout expires - which means we
+       * have pending timers that satisfy the forward progress constraint.
+       *
+       * UV_RUN_NOWAIT makes no guarantees about progress so it's omitted from
+       * the check.
+       */
+      uv__update_time(loop);
+      uv__run_timers(loop);
+    }
+
+    r = uv__loop_alive(loop);
+    UV_TICK_STOP(loop, mode);
+
+    if (mode & (UV_RUN_ONCE | UV_RUN_NOWAIT))
+      break;
+  }
+
+  /* The if statement lets gcc compile it to a conditional store. Avoids
+   * dirtying a cache line.
+   */
+  if (loop->stop_flag != 0)
+    loop->stop_flag = 0;
+
+  return r;
+}
+
+
+void uv_update_time(uv_loop_t* loop) {
+  uv__update_time(loop);
+}
+
+
+int uv_is_active(const uv_handle_t* handle) {
+  return uv__is_active(handle);
+}
+
+
+/* Open a socket in non-blocking close-on-exec mode, atomically if possible. */
+int uv__socket(int domain, int type, int protocol) {
+  int sockfd;
+  int err;
+
+#if defined(SOCK_NONBLOCK) && defined(SOCK_CLOEXEC)
+  sockfd = socket(domain, type | SOCK_NONBLOCK | SOCK_CLOEXEC, protocol);
+  if (sockfd != -1)
+    return sockfd;
+
+  if (errno != EINVAL)
+    return -errno;
+#endif
+
+  sockfd = socket(domain, type, protocol);
+  if (sockfd == -1)
+    return -errno;
+
+  err = uv__nonblock(sockfd, 1);
+  if (err == 0)
+    err = uv__cloexec(sockfd, 1);
+
+  if (err) {
+    uv__close(sockfd);
+    return err;
+  }
+
+#if defined(SO_NOSIGPIPE)
+  {
+    int on = 1;
+    setsockopt(sockfd, SOL_SOCKET, SO_NOSIGPIPE, &on, sizeof(on));
+  }
+#endif
+
+  return sockfd;
+}
+
+
+int uv__accept(int sockfd) {
+  int peerfd;
+  int err;
+
+  assert(sockfd >= 0);
+
+  while (1) {
+#if defined(__linux__)
+    static int no_accept4;
+
+    if (no_accept4)
+      goto skip;
+
+    peerfd = uv__accept4(sockfd,
+                         NULL,
+                         NULL,
+                         UV__SOCK_NONBLOCK|UV__SOCK_CLOEXEC);
+    if (peerfd != -1)
+      return peerfd;
+
+    if (errno == EINTR)
+      continue;
+
+    if (errno != ENOSYS)
+      return -errno;
+
+    no_accept4 = 1;
+skip:
+#endif
+
+    peerfd = accept(sockfd, NULL, NULL);
+    if (peerfd == -1) {
+      if (errno == EINTR)
+        continue;
+      return -errno;
+    }
+
+    err = uv__cloexec(peerfd, 1);
+    if (err == 0)
+      err = uv__nonblock(peerfd, 1);
+
+    if (err) {
+      uv__close(peerfd);
+      return err;
+    }
+
+    return peerfd;
+  }
+}
+
+
+int uv__close(int fd) {
+  int saved_errno;
+  int rc;
+
+  assert(fd > -1);  /* Catch uninitialized io_watcher.fd bugs. */
+  assert(fd > STDERR_FILENO);  /* Catch stdio close bugs. */
+
+  saved_errno = errno;
+  rc = close(fd);
+  if (rc == -1) {
+    rc = -errno;
+    if (rc == -EINTR)
+      rc = -EINPROGRESS;  /* For platform/libc consistency. */
+    errno = saved_errno;
+  }
+
+  return rc;
+}
+
+
+#if defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__)
+
+int uv__nonblock(int fd, int set) {
+  int r;
+
+  do
+    r = ioctl(fd, FIONBIO, &set);
+  while (r == -1 && errno == EINTR);
+
+  if (r)
+    return -errno;
+
+  return 0;
+}
+
+
+int uv__cloexec(int fd, int set) {
+  int r;
+
+  do
+    r = ioctl(fd, set ? FIOCLEX : FIONCLEX);
+  while (r == -1 && errno == EINTR);
+
+  if (r)
+    return -errno;
+
+  return 0;
+}
+
+#else /* !(defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__)) */
+
+int uv__nonblock(int fd, int set) {
+  int flags;
+  int r;
+
+  do
+    r = fcntl(fd, F_GETFL);
+  while (r == -1 && errno == EINTR);
+
+  if (r == -1)
+    return -errno;
+
+  /* Bail out now if already set/clear. */
+  if (!!(r & O_NONBLOCK) == !!set)
+    return 0;
+
+  if (set)
+    flags = r | O_NONBLOCK;
+  else
+    flags = r & ~O_NONBLOCK;
+
+  do
+    r = fcntl(fd, F_SETFL, flags);
+  while (r == -1 && errno == EINTR);
+
+  if (r)
+    return -errno;
+
+  return 0;
+}
+
+
+int uv__cloexec(int fd, int set) {
+  int flags;
+  int r;
+
+  do
+    r = fcntl(fd, F_GETFD);
+  while (r == -1 && errno == EINTR);
+
+  if (r == -1)
+    return -errno;
+
+  /* Bail out now if already set/clear. */
+  if (!!(r & FD_CLOEXEC) == !!set)
+    return 0;
+
+  if (set)
+    flags = r | FD_CLOEXEC;
+  else
+    flags = r & ~FD_CLOEXEC;
+
+  do
+    r = fcntl(fd, F_SETFD, flags);
+  while (r == -1 && errno == EINTR);
+
+  if (r)
+    return -errno;
+
+  return 0;
+}
+
+#endif /* defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__) */
+
+
+/* This function is not execve-safe, there is a race window
+ * between the call to dup() and fcntl(FD_CLOEXEC).
+ */
+int uv__dup(int fd) {
+  int err;
+
+  fd = dup(fd);
+
+  if (fd == -1)
+    return -errno;
+
+  err = uv__cloexec(fd, 1);
+  if (err) {
+    uv__close(fd);
+    return err;
+  }
+
+  return fd;
+}
+
+
+ssize_t uv__recvmsg(int fd, struct msghdr* msg, int flags) {
+  struct cmsghdr* cmsg;
+  ssize_t rc;
+  int* pfd;
+  int* end;
+#if defined(__linux__)
+  static int no_msg_cmsg_cloexec;
+  if (no_msg_cmsg_cloexec == 0) {
+    rc = recvmsg(fd, msg, flags | 0x40000000);  /* MSG_CMSG_CLOEXEC */
+    if (rc != -1)
+      return rc;
+    if (errno != EINVAL)
+      return -errno;
+    rc = recvmsg(fd, msg, flags);
+    if (rc == -1)
+      return -errno;
+    no_msg_cmsg_cloexec = 1;
+  } else {
+    rc = recvmsg(fd, msg, flags);
+  }
+#else
+  rc = recvmsg(fd, msg, flags);
+#endif
+  if (rc == -1)
+    return -errno;
+  if (msg->msg_controllen == 0)
+    return rc;
+  for (cmsg = CMSG_FIRSTHDR(msg); cmsg != NULL; cmsg = CMSG_NXTHDR(msg, cmsg))
+    if (cmsg->cmsg_type == SCM_RIGHTS)
+      for (pfd = (int*) CMSG_DATA(cmsg),
+           end = (int*) ((char*) cmsg + cmsg->cmsg_len);
+           pfd < end;
+           pfd += 1)
+        uv__cloexec(*pfd, 1);
+  return rc;
+}
+
+
+int uv_cwd(char* buffer, size_t size) {
+  if (buffer == NULL)
+    return -EINVAL;
+
+  if (size == 0)
+    return -EINVAL;
+
+  if (getcwd(buffer, size) == NULL)
+    return -errno;
+
+  return 0;
+}
+
+
+int uv_chdir(const char* dir) {
+  if (chdir(dir))
+    return -errno;
+
+  return 0;
+}
+
+
+void uv_disable_stdio_inheritance(void) {
+  int fd;
+
+  /* Set the CLOEXEC flag on all open descriptors. Unconditionally try the
+   * first 16 file descriptors. After that, bail out after the first error.
+   */
+  for (fd = 0; ; fd++)
+    if (uv__cloexec(fd, 1) && fd > 15)
+      break;
+}
+
+
+static void uv__run_pending(uv_loop_t* loop) {
+  QUEUE* q;
+  uv__io_t* w;
+
+  while (!QUEUE_EMPTY(&loop->pending_queue)) {
+    q = QUEUE_HEAD(&loop->pending_queue);
+    QUEUE_REMOVE(q);
+    QUEUE_INIT(q);
+
+    w = QUEUE_DATA(q, uv__io_t, pending_queue);
+    w->cb(loop, w, UV__POLLOUT);
+  }
+}
+
+
+static unsigned int next_power_of_two(unsigned int val) {
+  val -= 1;
+  val |= val >> 1;
+  val |= val >> 2;
+  val |= val >> 4;
+  val |= val >> 8;
+  val |= val >> 16;
+  val += 1;
+  return val;
+}
+
+static void maybe_resize(uv_loop_t* loop, unsigned int len) {
+  uv__io_t** watchers;
+  void* fake_watcher_list;
+  void* fake_watcher_count;
+  unsigned int nwatchers;
+  unsigned int i;
+
+  if (len <= loop->nwatchers)
+    return;
+
+  /* Preserve fake watcher list and count at the end of the watchers */
+  if (loop->watchers != NULL) {
+    fake_watcher_list = loop->watchers[loop->nwatchers];
+    fake_watcher_count = loop->watchers[loop->nwatchers + 1];
+  } else {
+    fake_watcher_list = NULL;
+    fake_watcher_count = NULL;
+  }
+
+  nwatchers = next_power_of_two(len + 2) - 2;
+  watchers = realloc(loop->watchers,
+                     (nwatchers + 2) * sizeof(loop->watchers[0]));
+
+  if (watchers == NULL)
+    abort();
+  for (i = loop->nwatchers; i < nwatchers; i++)
+    watchers[i] = NULL;
+  watchers[nwatchers] = fake_watcher_list;
+  watchers[nwatchers + 1] = fake_watcher_count;
+
+  loop->watchers = watchers;
+  loop->nwatchers = nwatchers;
+}
+
+
+void uv__io_init(uv__io_t* w, uv__io_cb cb, int fd) {
+  assert(cb != NULL);
+  assert(fd >= -1);
+  QUEUE_INIT(&w->pending_queue);
+  QUEUE_INIT(&w->watcher_queue);
+  w->cb = cb;
+  w->fd = fd;
+  w->events = 0;
+  w->pevents = 0;
+
+#if defined(UV_HAVE_KQUEUE)
+  w->rcount = 0;
+  w->wcount = 0;
+#endif /* defined(UV_HAVE_KQUEUE) */
+}
+
+
+void uv__io_start(uv_loop_t* loop, uv__io_t* w, unsigned int events) {
+  assert(0 == (events & ~(UV__POLLIN | UV__POLLOUT)));
+  assert(0 != events);
+  assert(w->fd >= 0);
+  assert(w->fd < INT_MAX);
+
+  w->pevents |= events;
+  maybe_resize(loop, w->fd + 1);
+
+#if !defined(__sun)
+  /* The event ports backend needs to rearm all file descriptors on each and
+   * every tick of the event loop but the other backends allow us to
+   * short-circuit here if the event mask is unchanged.
+   */
+  if (w->events == w->pevents) {
+    if (w->events == 0 && !QUEUE_EMPTY(&w->watcher_queue)) {
+      QUEUE_REMOVE(&w->watcher_queue);
+      QUEUE_INIT(&w->watcher_queue);
+    }
+    return;
+  }
+#endif
+
+  if (QUEUE_EMPTY(&w->watcher_queue))
+    QUEUE_INSERT_TAIL(&loop->watcher_queue, &w->watcher_queue);
+
+  if (loop->watchers[w->fd] == NULL) {
+    loop->watchers[w->fd] = w;
+    loop->nfds++;
+  }
+}
+
+
+void uv__io_stop(uv_loop_t* loop, uv__io_t* w, unsigned int events) {
+  assert(0 == (events & ~(UV__POLLIN | UV__POLLOUT)));
+  assert(0 != events);
+
+  if (w->fd == -1)
+    return;
+
+  assert(w->fd >= 0);
+
+  /* Happens when uv__io_stop() is called on a handle that was never started. */
+  if ((unsigned) w->fd >= loop->nwatchers)
+    return;
+
+  w->pevents &= ~events;
+
+  if (w->pevents == 0) {
+    QUEUE_REMOVE(&w->watcher_queue);
+    QUEUE_INIT(&w->watcher_queue);
+
+    if (loop->watchers[w->fd] != NULL) {
+      assert(loop->watchers[w->fd] == w);
+      assert(loop->nfds > 0);
+      loop->watchers[w->fd] = NULL;
+      loop->nfds--;
+      w->events = 0;
+    }
+  }
+  else if (QUEUE_EMPTY(&w->watcher_queue))
+    QUEUE_INSERT_TAIL(&loop->watcher_queue, &w->watcher_queue);
+}
+
+
+void uv__io_close(uv_loop_t* loop, uv__io_t* w) {
+  uv__io_stop(loop, w, UV__POLLIN | UV__POLLOUT);
+  QUEUE_REMOVE(&w->pending_queue);
+
+  /* Remove stale events for this file descriptor */
+  uv__platform_invalidate_fd(loop, w->fd);
+}
+
+
+void uv__io_feed(uv_loop_t* loop, uv__io_t* w) {
+  if (QUEUE_EMPTY(&w->pending_queue))
+    QUEUE_INSERT_TAIL(&loop->pending_queue, &w->pending_queue);
+}
+
+
+int uv__io_active(const uv__io_t* w, unsigned int events) {
+  assert(0 == (events & ~(UV__POLLIN | UV__POLLOUT)));
+  assert(0 != events);
+  return 0 != (w->pevents & events);
+}

third-party/libuv/src/unix/darwin-proctitle.c

@@ -0,0 +1,203 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <dlfcn.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include <TargetConditionals.h>
+
+#if !TARGET_OS_IPHONE
+# include <CoreFoundation/CoreFoundation.h>
+# include <ApplicationServices/ApplicationServices.h>
+#endif
+
+
+static int uv__pthread_setname_np(const char* name) {
+  int (*dynamic_pthread_setname_np)(const char* name);
+  char namebuf[64];  /* MAXTHREADNAMESIZE */
+  int err;
+
+  /* pthread_setname_np() first appeared in OS X 10.6 and iOS 3.2. */
+  dynamic_pthread_setname_np = dlsym(RTLD_DEFAULT, "pthread_setname_np");
+  if (dynamic_pthread_setname_np == NULL)
+    return -ENOSYS;
+
+  strncpy(namebuf, name, sizeof(namebuf) - 1);
+  namebuf[sizeof(namebuf) - 1] = '\0';
+
+  err = dynamic_pthread_setname_np(namebuf);
+  if (err)
+    return -err;
+
+  return 0;
+}
+
+
+int uv__set_process_title(const char* title) {
+#if TARGET_OS_IPHONE
+  return uv__pthread_setname_np(title);
+#else
+  CFStringRef (*pCFStringCreateWithCString)(CFAllocatorRef,
+                                            const char*,
+                                            CFStringEncoding);
+  CFBundleRef (*pCFBundleGetBundleWithIdentifier)(CFStringRef);
+  void *(*pCFBundleGetDataPointerForName)(CFBundleRef, CFStringRef);
+  void *(*pCFBundleGetFunctionPointerForName)(CFBundleRef, CFStringRef);
+  CFTypeRef (*pLSGetCurrentApplicationASN)(void);
+  OSStatus (*pLSSetApplicationInformationItem)(int,
+                                               CFTypeRef,
+                                               CFStringRef,
+                                               CFStringRef,
+                                               CFDictionaryRef*);
+  void* application_services_handle;
+  void* core_foundation_handle;
+  CFBundleRef launch_services_bundle;
+  CFStringRef* display_name_key;
+  CFDictionaryRef (*pCFBundleGetInfoDictionary)(CFBundleRef);
+  CFBundleRef (*pCFBundleGetMainBundle)(void);
+  CFBundleRef hi_services_bundle;
+  OSStatus (*pSetApplicationIsDaemon)(int);
+  CFDictionaryRef (*pLSApplicationCheckIn)(int, CFDictionaryRef);
+  void (*pLSSetApplicationLaunchServicesServerConnectionStatus)(uint64_t,
+                                                                void*);
+  CFTypeRef asn;
+  int err;
+
+  err = -ENOENT;
+  application_services_handle = dlopen("/System/Library/Frameworks/"
+                                       "ApplicationServices.framework/"
+                                       "Versions/A/ApplicationServices",
+                                       RTLD_LAZY | RTLD_LOCAL);
+  core_foundation_handle = dlopen("/System/Library/Frameworks/"
+                                  "CoreFoundation.framework/"
+                                  "Versions/A/CoreFoundation",
+                                  RTLD_LAZY | RTLD_LOCAL);
+
+  if (application_services_handle == NULL || core_foundation_handle == NULL)
+    goto out;
+
+  pCFStringCreateWithCString =
+      dlsym(core_foundation_handle, "CFStringCreateWithCString");
+  pCFBundleGetBundleWithIdentifier =
+      dlsym(core_foundation_handle, "CFBundleGetBundleWithIdentifier");
+  pCFBundleGetDataPointerForName =
+      dlsym(core_foundation_handle, "CFBundleGetDataPointerForName");
+  pCFBundleGetFunctionPointerForName =
+      dlsym(core_foundation_handle, "CFBundleGetFunctionPointerForName");
+
+  if (pCFStringCreateWithCString == NULL ||
+      pCFBundleGetBundleWithIdentifier == NULL ||
+      pCFBundleGetDataPointerForName == NULL ||
+      pCFBundleGetFunctionPointerForName == NULL) {
+    goto out;
+  }
+
+#define S(s) pCFStringCreateWithCString(NULL, (s), kCFStringEncodingUTF8)
+
+  launch_services_bundle =
+      pCFBundleGetBundleWithIdentifier(S("com.apple.LaunchServices"));
+
+  if (launch_services_bundle == NULL)
+    goto out;
+
+  pLSGetCurrentApplicationASN =
+      pCFBundleGetFunctionPointerForName(launch_services_bundle,
+                                         S("_LSGetCurrentApplicationASN"));
+
+  if (pLSGetCurrentApplicationASN == NULL)
+    goto out;
+
+  pLSSetApplicationInformationItem =
+      pCFBundleGetFunctionPointerForName(launch_services_bundle,
+                                         S("_LSSetApplicationInformationItem"));
+
+  if (pLSSetApplicationInformationItem == NULL)
+    goto out;
+
+  display_name_key = pCFBundleGetDataPointerForName(launch_services_bundle,
+                                                    S("_kLSDisplayNameKey"));
+
+  if (display_name_key == NULL || *display_name_key == NULL)
+    goto out;
+
+  pCFBundleGetInfoDictionary = dlsym(core_foundation_handle,
+                                     "CFBundleGetInfoDictionary");
+  pCFBundleGetMainBundle = dlsym(core_foundation_handle,
+                                 "CFBundleGetMainBundle");
+  if (pCFBundleGetInfoDictionary == NULL || pCFBundleGetMainBundle == NULL)
+    goto out;
+
+  /* Black 10.9 magic, to remove (Not responding) mark in Activity Monitor */
+  hi_services_bundle =
+      pCFBundleGetBundleWithIdentifier(S("com.apple.HIServices"));
+  err = -ENOENT;
+  if (hi_services_bundle == NULL)
+    goto out;
+
+  pSetApplicationIsDaemon = pCFBundleGetFunctionPointerForName(
+      hi_services_bundle,
+      S("SetApplicationIsDaemon"));
+  pLSApplicationCheckIn = pCFBundleGetFunctionPointerForName(
+      launch_services_bundle,
+      S("_LSApplicationCheckIn"));
+  pLSSetApplicationLaunchServicesServerConnectionStatus =
+      pCFBundleGetFunctionPointerForName(
+          launch_services_bundle,
+          S("_LSSetApplicationLaunchServicesServerConnectionStatus"));
+  if (pSetApplicationIsDaemon == NULL ||
+      pLSApplicationCheckIn == NULL ||
+      pLSSetApplicationLaunchServicesServerConnectionStatus == NULL) {
+    goto out;
+  }
+
+  if (pSetApplicationIsDaemon(1) != noErr)
+    goto out;
+
+  pLSSetApplicationLaunchServicesServerConnectionStatus(0, NULL);
+
+  /* Check into process manager?! */
+  pLSApplicationCheckIn(-2,
+                        pCFBundleGetInfoDictionary(pCFBundleGetMainBundle()));
+
+  asn = pLSGetCurrentApplicationASN();
+
+  err = -EINVAL;
+  if (pLSSetApplicationInformationItem(-2,  /* Magic value. */
+                                       asn,
+                                       *display_name_key,
+                                       S(title),
+                                       NULL) != noErr) {
+    goto out;
+  }
+
+  uv__pthread_setname_np(title);  /* Don't care if it fails. */
+  err = 0;
+
+out:
+  if (core_foundation_handle != NULL)
+    dlclose(core_foundation_handle);
+
+  if (application_services_handle != NULL)
+    dlclose(application_services_handle);
+
+  return err;
+#endif  /* !TARGET_OS_IPHONE */
+}

third-party/libuv/src/unix/darwin.c

@@ -0,0 +1,324 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <assert.h>
+#include <stdint.h>
+#include <errno.h>
+
+#include <ifaddrs.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+
+#include <mach/mach.h>
+#include <mach/mach_time.h>
+#include <mach-o/dyld.h> /* _NSGetExecutablePath */
+#include <sys/resource.h>
+#include <sys/sysctl.h>
+#include <unistd.h>  /* sysconf */
+
+
+int uv__platform_loop_init(uv_loop_t* loop, int default_loop) {
+  loop->cf_state = NULL;
+
+  if (uv__kqueue_init(loop))
+    return -errno;
+
+  return 0;
+}
+
+
+void uv__platform_loop_delete(uv_loop_t* loop) {
+  uv__fsevents_loop_delete(loop);
+}
+
+
+uint64_t uv__hrtime(uv_clocktype_t type) {
+  mach_timebase_info_data_t info;
+
+  if (mach_timebase_info(&info) != KERN_SUCCESS)
+    abort();
+
+  return mach_absolute_time() * info.numer / info.denom;
+}
+
+
+int uv_exepath(char* buffer, size_t* size) {
+  uint32_t usize;
+  int result;
+  char* path;
+  char* fullpath;
+
+  if (buffer == NULL || size == NULL)
+    return -EINVAL;
+
+  usize = *size;
+  result = _NSGetExecutablePath(buffer, &usize);
+  if (result) return result;
+
+  path = malloc(2 * PATH_MAX);
+  fullpath = realpath(buffer, path);
+  if (fullpath == NULL) {
+    SAVE_ERRNO(free(path));
+    return -errno;
+  }
+
+  strncpy(buffer, fullpath, *size);
+  free(fullpath);
+  *size = strlen(buffer);
+  return 0;
+}
+
+
+uint64_t uv_get_free_memory(void) {
+  vm_statistics_data_t info;
+  mach_msg_type_number_t count = sizeof(info) / sizeof(integer_t);
+
+  if (host_statistics(mach_host_self(), HOST_VM_INFO,
+                      (host_info_t)&info, &count) != KERN_SUCCESS) {
+    return -EINVAL;  /* FIXME(bnoordhuis) Translate error. */
+  }
+
+  return (uint64_t) info.free_count * sysconf(_SC_PAGESIZE);
+}
+
+
+uint64_t uv_get_total_memory(void) {
+  uint64_t info;
+  int which[] = {CTL_HW, HW_MEMSIZE};
+  size_t size = sizeof(info);
+
+  if (sysctl(which, 2, &info, &size, NULL, 0))
+    return -errno;
+
+  return (uint64_t) info;
+}
+
+
+void uv_loadavg(double avg[3]) {
+  struct loadavg info;
+  size_t size = sizeof(info);
+  int which[] = {CTL_VM, VM_LOADAVG};
+
+  if (sysctl(which, 2, &info, &size, NULL, 0) < 0) return;
+
+  avg[0] = (double) info.ldavg[0] / info.fscale;
+  avg[1] = (double) info.ldavg[1] / info.fscale;
+  avg[2] = (double) info.ldavg[2] / info.fscale;
+}
+
+
+int uv_resident_set_memory(size_t* rss) {
+  mach_msg_type_number_t count;
+  task_basic_info_data_t info;
+  kern_return_t err;
+
+  count = TASK_BASIC_INFO_COUNT;
+  err = task_info(mach_task_self(),
+                  TASK_BASIC_INFO,
+                  (task_info_t) &info,
+                  &count);
+  (void) &err;
+  /* task_info(TASK_BASIC_INFO) cannot really fail. Anything other than
+   * KERN_SUCCESS implies a libuv bug.
+   */
+  assert(err == KERN_SUCCESS);
+  *rss = info.resident_size;
+
+  return 0;
+}
+
+
+int uv_uptime(double* uptime) {
+  time_t now;
+  struct timeval info;
+  size_t size = sizeof(info);
+  static int which[] = {CTL_KERN, KERN_BOOTTIME};
+
+  if (sysctl(which, 2, &info, &size, NULL, 0))
+    return -errno;
+
+  now = time(NULL);
+  *uptime = now - info.tv_sec;
+
+  return 0;
+}
+
+int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
+  unsigned int ticks = (unsigned int)sysconf(_SC_CLK_TCK),
+               multiplier = ((uint64_t)1000L / ticks);
+  char model[512];
+  uint64_t cpuspeed;
+  size_t size;
+  unsigned int i;
+  natural_t numcpus;
+  mach_msg_type_number_t msg_type;
+  processor_cpu_load_info_data_t *info;
+  uv_cpu_info_t* cpu_info;
+
+  size = sizeof(model);
+  if (sysctlbyname("machdep.cpu.brand_string", &model, &size, NULL, 0) &&
+      sysctlbyname("hw.model", &model, &size, NULL, 0)) {
+    return -errno;
+  }
+
+  size = sizeof(cpuspeed);
+  if (sysctlbyname("hw.cpufrequency", &cpuspeed, &size, NULL, 0))
+    return -errno;
+
+  if (host_processor_info(mach_host_self(), PROCESSOR_CPU_LOAD_INFO, &numcpus,
+                          (processor_info_array_t*)&info,
+                          &msg_type) != KERN_SUCCESS) {
+    return -EINVAL;  /* FIXME(bnoordhuis) Translate error. */
+  }
+
+  *cpu_infos = malloc(numcpus * sizeof(**cpu_infos));
+  if (!(*cpu_infos))
+    return -ENOMEM;  /* FIXME(bnoordhuis) Deallocate info? */
+
+  *count = numcpus;
+
+  for (i = 0; i < numcpus; i++) {
+    cpu_info = &(*cpu_infos)[i];
+
+    cpu_info->cpu_times.user = (uint64_t)(info[i].cpu_ticks[0]) * multiplier;
+    cpu_info->cpu_times.nice = (uint64_t)(info[i].cpu_ticks[3]) * multiplier;
+    cpu_info->cpu_times.sys = (uint64_t)(info[i].cpu_ticks[1]) * multiplier;
+    cpu_info->cpu_times.idle = (uint64_t)(info[i].cpu_ticks[2]) * multiplier;
+    cpu_info->cpu_times.irq = 0;
+
+    cpu_info->model = strdup(model);
+    cpu_info->speed = cpuspeed/1000000;
+  }
+  vm_deallocate(mach_task_self(), (vm_address_t)info, msg_type);
+
+  return 0;
+}
+
+
+void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    free(cpu_infos[i].model);
+  }
+
+  free(cpu_infos);
+}
+
+
+int uv_interface_addresses(uv_interface_address_t** addresses, int* count) {
+  struct ifaddrs *addrs, *ent;
+  uv_interface_address_t* address;
+  int i;
+  struct sockaddr_dl *sa_addr;
+
+  if (getifaddrs(&addrs))
+    return -errno;
+
+  *count = 0;
+
+  /* Count the number of interfaces */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+        (ent->ifa_addr == NULL) ||
+        (ent->ifa_addr->sa_family == AF_LINK)) {
+      continue;
+    }
+
+    (*count)++;
+  }
+
+  *addresses = malloc(*count * sizeof(**addresses));
+  if (!(*addresses))
+    return -ENOMEM;
+
+  address = *addresses;
+
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)))
+      continue;
+
+    if (ent->ifa_addr == NULL)
+      continue;
+
+    /*
+     * On Mac OS X getifaddrs returns information related to Mac Addresses for
+     * various devices, such as firewire, etc. These are not relevant here.
+     */
+    if (ent->ifa_addr->sa_family == AF_LINK)
+      continue;
+
+    address->name = strdup(ent->ifa_name);
+
+    if (ent->ifa_addr->sa_family == AF_INET6) {
+      address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr);
+    } else {
+      address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr);
+    }
+
+    if (ent->ifa_netmask->sa_family == AF_INET6) {
+      address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask);
+    } else {
+      address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask);
+    }
+
+    address->is_internal = !!(ent->ifa_flags & IFF_LOOPBACK);
+
+    address++;
+  }
+
+  /* Fill in physical addresses for each interface */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+        (ent->ifa_addr == NULL) ||
+        (ent->ifa_addr->sa_family != AF_LINK)) {
+      continue;
+    }
+
+    address = *addresses;
+
+    for (i = 0; i < (*count); i++) {
+      if (strcmp(address->name, ent->ifa_name) == 0) {
+        sa_addr = (struct sockaddr_dl*)(ent->ifa_addr);
+        memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr));
+      }
+      address++;
+    }
+  }
+
+  freeifaddrs(addrs);
+
+  return 0;
+}
+
+
+void uv_free_interface_addresses(uv_interface_address_t* addresses,
+  int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    free(addresses[i].name);
+  }
+
+  free(addresses);
+}

third-party/libuv/src/unix/dl.c

@@ -0,0 +1,83 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <dlfcn.h>
+#include <errno.h>
+#include <string.h>
+#include <locale.h>
+
+static int uv__dlerror(uv_lib_t* lib);
+
+
+int uv_dlopen(const char* filename, uv_lib_t* lib) {
+  dlerror(); /* Reset error status. */
+  lib->errmsg = NULL;
+  lib->handle = dlopen(filename, RTLD_LAZY);
+  return lib->handle ? 0 : uv__dlerror(lib);
+}
+
+
+void uv_dlclose(uv_lib_t* lib) {
+  if (lib->errmsg) {
+    free(lib->errmsg);
+    lib->errmsg = NULL;
+  }
+
+  if (lib->handle) {
+    /* Ignore errors. No good way to signal them without leaking memory. */
+    dlclose(lib->handle);
+    lib->handle = NULL;
+  }
+}
+
+
+int uv_dlsym(uv_lib_t* lib, const char* name, void** ptr) {
+  dlerror(); /* Reset error status. */
+  *ptr = dlsym(lib->handle, name);
+  return uv__dlerror(lib);
+}
+
+
+const char* uv_dlerror(uv_lib_t* lib) {
+  return lib->errmsg ? lib->errmsg : "no error";
+}
+
+
+static int uv__dlerror(uv_lib_t* lib) {
+  const char* errmsg;
+
+  if (lib->errmsg)
+    free(lib->errmsg);
+
+  errmsg = dlerror();
+
+  if (errmsg) {
+    lib->errmsg = strdup(errmsg);
+    return -1;
+  }
+  else {
+    lib->errmsg = NULL;
+    return 0;
+  }
+}

third-party/libuv/src/unix/freebsd.c

@@ -0,0 +1,425 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <assert.h>
+#include <string.h>
+#include <errno.h>
+
+#include <ifaddrs.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+
+#include <kvm.h>
+#include <paths.h>
+#include <sys/user.h>
+#include <sys/types.h>
+#include <sys/resource.h>
+#include <sys/sysctl.h>
+#include <vm/vm_param.h> /* VM_LOADAVG */
+#include <time.h>
+#include <stdlib.h>
+#include <unistd.h> /* sysconf */
+#include <fcntl.h>
+
+#undef NANOSEC
+#define NANOSEC ((uint64_t) 1e9)
+
+#ifndef CPUSTATES
+# define CPUSTATES 5U
+#endif
+#ifndef CP_USER
+# define CP_USER 0
+# define CP_NICE 1
+# define CP_SYS 2
+# define CP_IDLE 3
+# define CP_INTR 4
+#endif
+
+static char *process_title;
+
+
+int uv__platform_loop_init(uv_loop_t* loop, int default_loop) {
+  return uv__kqueue_init(loop);
+}
+
+
+void uv__platform_loop_delete(uv_loop_t* loop) {
+}
+
+
+uint64_t uv__hrtime(uv_clocktype_t type) {
+  struct timespec ts;
+  clock_gettime(CLOCK_MONOTONIC, &ts);
+  return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec);
+}
+
+
+int uv_exepath(char* buffer, size_t* size) {
+  int mib[4];
+  size_t cb;
+
+  if (buffer == NULL || size == NULL)
+    return -EINVAL;
+
+#ifdef __DragonFly__
+  mib[0] = CTL_KERN;
+  mib[1] = KERN_PROC;
+  mib[2] = KERN_PROC_ARGS;
+  mib[3] = getpid();
+#else
+  mib[0] = CTL_KERN;
+  mib[1] = KERN_PROC;
+  mib[2] = KERN_PROC_PATHNAME;
+  mib[3] = -1;
+#endif
+
+  cb = *size;
+  if (sysctl(mib, 4, buffer, &cb, NULL, 0))
+    return -errno;
+  *size = strlen(buffer);
+
+  return 0;
+}
+
+
+uint64_t uv_get_free_memory(void) {
+  int freecount;
+  size_t size = sizeof(freecount);
+
+  if (sysctlbyname("vm.stats.vm.v_free_count", &freecount, &size, NULL, 0))
+    return -errno;
+
+  return (uint64_t) freecount * sysconf(_SC_PAGESIZE);
+
+}
+
+
+uint64_t uv_get_total_memory(void) {
+  unsigned long info;
+  int which[] = {CTL_HW, HW_PHYSMEM};
+
+  size_t size = sizeof(info);
+
+  if (sysctl(which, 2, &info, &size, NULL, 0))
+    return -errno;
+
+  return (uint64_t) info;
+}
+
+
+void uv_loadavg(double avg[3]) {
+  struct loadavg info;
+  size_t size = sizeof(info);
+  int which[] = {CTL_VM, VM_LOADAVG};
+
+  if (sysctl(which, 2, &info, &size, NULL, 0) < 0) return;
+
+  avg[0] = (double) info.ldavg[0] / info.fscale;
+  avg[1] = (double) info.ldavg[1] / info.fscale;
+  avg[2] = (double) info.ldavg[2] / info.fscale;
+}
+
+
+char** uv_setup_args(int argc, char** argv) {
+  process_title = argc ? strdup(argv[0]) : NULL;
+  return argv;
+}
+
+
+int uv_set_process_title(const char* title) {
+  int oid[4];
+
+  if (process_title) free(process_title);
+  process_title = strdup(title);
+
+  oid[0] = CTL_KERN;
+  oid[1] = KERN_PROC;
+  oid[2] = KERN_PROC_ARGS;
+  oid[3] = getpid();
+
+  sysctl(oid,
+         ARRAY_SIZE(oid),
+         NULL,
+         NULL,
+         process_title,
+         strlen(process_title) + 1);
+
+  return 0;
+}
+
+
+int uv_get_process_title(char* buffer, size_t size) {
+  if (process_title) {
+    strncpy(buffer, process_title, size);
+  } else {
+    if (size > 0) {
+      buffer[0] = '\0';
+    }
+  }
+
+  return 0;
+}
+
+
+int uv_resident_set_memory(size_t* rss) {
+  kvm_t *kd = NULL;
+  struct kinfo_proc *kinfo = NULL;
+  pid_t pid;
+  int nprocs;
+  size_t page_size = getpagesize();
+
+  pid = getpid();
+
+  kd = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open");
+  if (kd == NULL) goto error;
+
+  kinfo = kvm_getprocs(kd, KERN_PROC_PID, pid, &nprocs);
+  if (kinfo == NULL) goto error;
+
+#ifdef __DragonFly__
+  *rss = kinfo->kp_vm_rssize * page_size;
+#else
+  *rss = kinfo->ki_rssize * page_size;
+#endif
+
+  kvm_close(kd);
+
+  return 0;
+
+error:
+  if (kd) kvm_close(kd);
+  return -EPERM;
+}
+
+
+int uv_uptime(double* uptime) {
+  time_t now;
+  struct timeval info;
+  size_t size = sizeof(info);
+  static int which[] = {CTL_KERN, KERN_BOOTTIME};
+
+  if (sysctl(which, 2, &info, &size, NULL, 0))
+    return -errno;
+
+  now = time(NULL);
+
+  *uptime = (double)(now - info.tv_sec);
+  return 0;
+}
+
+
+int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
+  unsigned int ticks = (unsigned int)sysconf(_SC_CLK_TCK),
+               multiplier = ((uint64_t)1000L / ticks), cpuspeed, maxcpus,
+               cur = 0;
+  uv_cpu_info_t* cpu_info;
+  const char* maxcpus_key;
+  const char* cptimes_key;
+  char model[512];
+  long* cp_times;
+  int numcpus;
+  size_t size;
+  int i;
+
+#if defined(__DragonFly__)
+  /* This is not quite correct but DragonFlyBSD doesn't seem to have anything
+   * comparable to kern.smp.maxcpus or kern.cp_times (kern.cp_time is a total,
+   * not per CPU). At least this stops uv_cpu_info() from failing completely.
+   */
+  maxcpus_key = "hw.ncpu";
+  cptimes_key = "kern.cp_time";
+#else
+  maxcpus_key = "kern.smp.maxcpus";
+  cptimes_key = "kern.cp_times";
+#endif
+
+  size = sizeof(model);
+  if (sysctlbyname("hw.model", &model, &size, NULL, 0))
+    return -errno;
+
+  size = sizeof(numcpus);
+  if (sysctlbyname("hw.ncpu", &numcpus, &size, NULL, 0))
+    return -errno;
+
+  *cpu_infos = malloc(numcpus * sizeof(**cpu_infos));
+  if (!(*cpu_infos))
+    return -ENOMEM;
+
+  *count = numcpus;
+
+  size = sizeof(cpuspeed);
+  if (sysctlbyname("hw.clockrate", &cpuspeed, &size, NULL, 0)) {
+    SAVE_ERRNO(free(*cpu_infos));
+    return -errno;
+  }
+
+  /* kern.cp_times on FreeBSD i386 gives an array up to maxcpus instead of
+   * ncpu.
+   */
+  size = sizeof(maxcpus);
+  if (sysctlbyname(maxcpus_key, &maxcpus, &size, NULL, 0)) {
+    SAVE_ERRNO(free(*cpu_infos));
+    return -errno;
+  }
+
+  size = maxcpus * CPUSTATES * sizeof(long);
+
+  cp_times = malloc(size);
+  if (cp_times == NULL) {
+    free(*cpu_infos);
+    return -ENOMEM;
+  }
+
+  if (sysctlbyname(cptimes_key, cp_times, &size, NULL, 0)) {
+    SAVE_ERRNO(free(cp_times));
+    SAVE_ERRNO(free(*cpu_infos));
+    return -errno;
+  }
+
+  for (i = 0; i < numcpus; i++) {
+    cpu_info = &(*cpu_infos)[i];
+    
+    cpu_info->cpu_times.user = (uint64_t)(cp_times[CP_USER+cur]) * multiplier;
+    cpu_info->cpu_times.nice = (uint64_t)(cp_times[CP_NICE+cur]) * multiplier;
+    cpu_info->cpu_times.sys = (uint64_t)(cp_times[CP_SYS+cur]) * multiplier;
+    cpu_info->cpu_times.idle = (uint64_t)(cp_times[CP_IDLE+cur]) * multiplier;
+    cpu_info->cpu_times.irq = (uint64_t)(cp_times[CP_INTR+cur]) * multiplier;
+
+    cpu_info->model = strdup(model);
+    cpu_info->speed = cpuspeed;
+
+    cur+=CPUSTATES;
+  }
+
+  free(cp_times);
+  return 0;
+}
+
+
+void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    free(cpu_infos[i].model);
+  }
+
+  free(cpu_infos);
+}
+
+
+int uv_interface_addresses(uv_interface_address_t** addresses, int* count) {
+  struct ifaddrs *addrs, *ent;
+  uv_interface_address_t* address;
+  int i;
+  struct sockaddr_dl *sa_addr;
+
+  if (getifaddrs(&addrs))
+    return -errno;
+
+   *count = 0;
+
+  /* Count the number of interfaces */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+        (ent->ifa_addr == NULL) ||
+        (ent->ifa_addr->sa_family == AF_LINK)) {
+      continue;
+    }
+
+    (*count)++;
+  }
+
+  *addresses = malloc(*count * sizeof(**addresses));
+  if (!(*addresses))
+    return -ENOMEM;
+
+  address = *addresses;
+
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)))
+      continue;
+
+    if (ent->ifa_addr == NULL)
+      continue;
+
+    /*
+     * On FreeBSD getifaddrs returns information related to the raw underlying
+     * devices. We're not interested in this information yet.
+     */
+    if (ent->ifa_addr->sa_family == AF_LINK)
+      continue;
+
+    address->name = strdup(ent->ifa_name);
+
+    if (ent->ifa_addr->sa_family == AF_INET6) {
+      address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr);
+    } else {
+      address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr);
+    }
+
+    if (ent->ifa_netmask->sa_family == AF_INET6) {
+      address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask);
+    } else {
+      address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask);
+    }
+
+    address->is_internal = !!(ent->ifa_flags & IFF_LOOPBACK);
+
+    address++;
+  }
+
+  /* Fill in physical addresses for each interface */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+        (ent->ifa_addr == NULL) ||
+        (ent->ifa_addr->sa_family != AF_LINK)) {
+      continue;
+    }
+
+    address = *addresses;
+
+    for (i = 0; i < (*count); i++) {
+      if (strcmp(address->name, ent->ifa_name) == 0) {
+        sa_addr = (struct sockaddr_dl*)(ent->ifa_addr);
+        memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr));
+      }
+      address++;
+    }
+  }
+
+  freeifaddrs(addrs);
+
+  return 0;
+}
+
+
+void uv_free_interface_addresses(uv_interface_address_t* addresses,
+  int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    free(addresses[i].name);
+  }
+
+  free(addresses);
+}

third-party/libuv/src/unix/fs.c

@@ -0,0 +1,971 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/* Caveat emptor: this file deviates from the libuv convention of returning
+ * negated errno codes. Most uv_fs_*() functions map directly to the system
+ * call of the same name. For more complex wrappers, it's easier to just
+ * return -1 with errno set. The dispatcher in uv__fs_work() takes care of
+ * getting the errno to the right place (req->result or as the return value.)
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <pthread.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <utime.h>
+#include <poll.h>
+
+#if defined(__linux__) || defined(__sun)
+# include <sys/sendfile.h>
+#elif defined(__APPLE__) || defined(__FreeBSD__)
+# include <sys/socket.h>
+# include <sys/uio.h>
+#endif
+
+#define INIT(type)                                                            \
+  do {                                                                        \
+    uv__req_init((loop), (req), UV_FS);                                       \
+    (req)->fs_type = UV_FS_ ## type;                                          \
+    (req)->result = 0;                                                        \
+    (req)->ptr = NULL;                                                        \
+    (req)->loop = loop;                                                       \
+    (req)->path = NULL;                                                       \
+    (req)->new_path = NULL;                                                   \
+    (req)->cb = (cb);                                                         \
+  }                                                                           \
+  while (0)
+
+#define PATH                                                                  \
+  do {                                                                        \
+    (req)->path = strdup(path);                                               \
+    if ((req)->path == NULL)                                                  \
+      return -ENOMEM;                                                         \
+  }                                                                           \
+  while (0)
+
+#define PATH2                                                                 \
+  do {                                                                        \
+    size_t path_len;                                                          \
+    size_t new_path_len;                                                      \
+    path_len = strlen((path)) + 1;                                            \
+    new_path_len = strlen((new_path)) + 1;                                    \
+    (req)->path = malloc(path_len + new_path_len);                            \
+    if ((req)->path == NULL)                                                  \
+      return -ENOMEM;                                                         \
+    (req)->new_path = (req)->path + path_len;                                 \
+    memcpy((void*) (req)->path, (path), path_len);                            \
+    memcpy((void*) (req)->new_path, (new_path), new_path_len);                \
+  }                                                                           \
+  while (0)
+
+#define POST                                                                  \
+  do {                                                                        \
+    if ((cb) != NULL) {                                                       \
+      uv__work_submit((loop), &(req)->work_req, uv__fs_work, uv__fs_done);    \
+      return 0;                                                               \
+    }                                                                         \
+    else {                                                                    \
+      uv__fs_work(&(req)->work_req);                                          \
+      uv__fs_done(&(req)->work_req, 0);                                       \
+      return (req)->result;                                                   \
+    }                                                                         \
+  }                                                                           \
+  while (0)
+
+
+static ssize_t uv__fs_fdatasync(uv_fs_t* req) {
+#if defined(__linux__) || defined(__sun) || defined(__NetBSD__)
+  return fdatasync(req->file);
+#elif defined(__APPLE__) && defined(F_FULLFSYNC)
+  return fcntl(req->file, F_FULLFSYNC);
+#else
+  return fsync(req->file);
+#endif
+}
+
+
+static ssize_t uv__fs_futime(uv_fs_t* req) {
+#if defined(__linux__)
+  /* utimesat() has nanosecond resolution but we stick to microseconds
+   * for the sake of consistency with other platforms.
+   */
+  static int no_utimesat;
+  struct timespec ts[2];
+  struct timeval tv[2];
+  char path[sizeof("/proc/self/fd/") + 3 * sizeof(int)];
+  int r;
+
+  if (no_utimesat)
+    goto skip;
+
+  ts[0].tv_sec  = req->atime;
+  ts[0].tv_nsec = (unsigned long)(req->atime * 1000000) % 1000000 * 1000;
+  ts[1].tv_sec  = req->mtime;
+  ts[1].tv_nsec = (unsigned long)(req->mtime * 1000000) % 1000000 * 1000;
+
+  r = uv__utimesat(req->file, NULL, ts, 0);
+  if (r == 0)
+    return r;
+
+  if (errno != ENOSYS)
+    return r;
+
+  no_utimesat = 1;
+
+skip:
+
+  tv[0].tv_sec  = req->atime;
+  tv[0].tv_usec = (unsigned long)(req->atime * 1000000) % 1000000;
+  tv[1].tv_sec  = req->mtime;
+  tv[1].tv_usec = (unsigned long)(req->mtime * 1000000) % 1000000;
+  snprintf(path, sizeof(path), "/proc/self/fd/%d", (int) req->file);
+
+  r = utimes(path, tv);
+  if (r == 0)
+    return r;
+
+  switch (errno) {
+  case ENOENT:
+    if (fcntl(req->file, F_GETFL) == -1 && errno == EBADF)
+      break;
+    /* Fall through. */
+
+  case EACCES:
+  case ENOTDIR:
+    errno = ENOSYS;
+    break;
+  }
+
+  return r;
+
+#elif defined(__APPLE__)                                                      \
+    || defined(__DragonFly__)                                                 \
+    || defined(__FreeBSD__)                                                   \
+    || defined(__NetBSD__)                                                    \
+    || defined(__OpenBSD__)                                                   \
+    || defined(__sun)
+  struct timeval tv[2];
+  tv[0].tv_sec  = req->atime;
+  tv[0].tv_usec = (unsigned long)(req->atime * 1000000) % 1000000;
+  tv[1].tv_sec  = req->mtime;
+  tv[1].tv_usec = (unsigned long)(req->mtime * 1000000) % 1000000;
+# if defined(__sun)
+  return futimesat(req->file, NULL, tv);
+# else
+  return futimes(req->file, tv);
+# endif
+#else
+  errno = ENOSYS;
+  return -1;
+#endif
+}
+
+
+static ssize_t uv__fs_read(uv_fs_t* req) {
+  if (req->off < 0)
+    return read(req->file, req->buf, req->len);
+  else
+    return pread(req->file, req->buf, req->len, req->off);
+}
+
+
+static int uv__fs_readdir_filter(const struct dirent* dent) {
+  return strcmp(dent->d_name, ".") != 0 && strcmp(dent->d_name, "..") != 0;
+}
+
+
+/* This should have been called uv__fs_scandir(). */
+static ssize_t uv__fs_readdir(uv_fs_t* req) {
+  struct dirent **dents;
+  int saved_errno;
+  size_t off;
+  size_t len;
+  char *buf;
+  int i;
+  int n;
+
+  dents = NULL;
+  n = scandir(req->path, &dents, uv__fs_readdir_filter, alphasort);
+
+  if (n == 0)
+    goto out; /* osx still needs to deallocate some memory */
+  else if (n == -1)
+    return n;
+
+  len = 0;
+
+  for (i = 0; i < n; i++)
+    len += strlen(dents[i]->d_name) + 1;
+
+  buf = malloc(len);
+
+  if (buf == NULL) {
+    errno = ENOMEM;
+    n = -1;
+    goto out;
+  }
+
+  off = 0;
+
+  for (i = 0; i < n; i++) {
+    len = strlen(dents[i]->d_name) + 1;
+    memcpy(buf + off, dents[i]->d_name, len);
+    off += len;
+  }
+
+  req->ptr = buf;
+
+out:
+  saved_errno = errno;
+  if (dents != NULL) {
+    for (i = 0; i < n; i++)
+      free(dents[i]);
+    free(dents);
+  }
+  errno = saved_errno;
+
+  return n;
+}
+
+
+static ssize_t uv__fs_readlink(uv_fs_t* req) {
+  ssize_t len;
+  char* buf;
+
+  len = pathconf(req->path, _PC_PATH_MAX);
+
+  if (len == -1) {
+#if defined(PATH_MAX)
+    len = PATH_MAX;
+#else
+    len = 4096;
+#endif
+  }
+
+  buf = malloc(len + 1);
+
+  if (buf == NULL) {
+    errno = ENOMEM;
+    return -1;
+  }
+
+  len = readlink(req->path, buf, len);
+
+  if (len == -1) {
+    free(buf);
+    return -1;
+  }
+
+  buf[len] = '\0';
+  req->ptr = buf;
+
+  return 0;
+}
+
+
+static ssize_t uv__fs_sendfile_emul(uv_fs_t* req) {
+  struct pollfd pfd;
+  int use_pread;
+  off_t offset;
+  ssize_t nsent;
+  ssize_t nread;
+  ssize_t nwritten;
+  size_t buflen;
+  size_t len;
+  ssize_t n;
+  int in_fd;
+  int out_fd;
+  char buf[8192];
+
+  len = req->len;
+  in_fd = req->flags;
+  out_fd = req->file;
+  offset = req->off;
+  use_pread = 1;
+
+  /* Here are the rules regarding errors:
+   *
+   * 1. Read errors are reported only if nsent==0, otherwise we return nsent.
+   *    The user needs to know that some data has already been sent, to stop
+   *    them from sending it twice.
+   *
+   * 2. Write errors are always reported. Write errors are bad because they
+   *    mean data loss: we've read data but now we can't write it out.
+   *
+   * We try to use pread() and fall back to regular read() if the source fd
+   * doesn't support positional reads, for example when it's a pipe fd.
+   *
+   * If we get EAGAIN when writing to the target fd, we poll() on it until
+   * it becomes writable again.
+   *
+   * FIXME: If we get a write error when use_pread==1, it should be safe to
+   *        return the number of sent bytes instead of an error because pread()
+   *        is, in theory, idempotent. However, special files in /dev or /proc
+   *        may support pread() but not necessarily return the same data on
+   *        successive reads.
+   *
+   * FIXME: There is no way now to signal that we managed to send *some* data
+   *        before a write error.
+   */
+  for (nsent = 0; (size_t) nsent < len; ) {
+    buflen = len - nsent;
+
+    if (buflen > sizeof(buf))
+      buflen = sizeof(buf);
+
+    do
+      if (use_pread)
+        nread = pread(in_fd, buf, buflen, offset);
+      else
+        nread = read(in_fd, buf, buflen);
+    while (nread == -1 && errno == EINTR);
+
+    if (nread == 0)
+      goto out;
+
+    if (nread == -1) {
+      if (use_pread && nsent == 0 && (errno == EIO || errno == ESPIPE)) {
+        use_pread = 0;
+        continue;
+      }
+
+      if (nsent == 0)
+        nsent = -1;
+
+      goto out;
+    }
+
+    for (nwritten = 0; nwritten < nread; ) {
+      do
+        n = write(out_fd, buf + nwritten, nread - nwritten);
+      while (n == -1 && errno == EINTR);
+
+      if (n != -1) {
+        nwritten += n;
+        continue;
+      }
+
+      if (errno != EAGAIN && errno != EWOULDBLOCK) {
+        nsent = -1;
+        goto out;
+      }
+
+      pfd.fd = out_fd;
+      pfd.events = POLLOUT;
+      pfd.revents = 0;
+
+      do
+        n = poll(&pfd, 1, -1);
+      while (n == -1 && errno == EINTR);
+
+      if (n == -1 || (pfd.revents & ~POLLOUT) != 0) {
+        errno = EIO;
+        nsent = -1;
+        goto out;
+      }
+    }
+
+    offset += nread;
+    nsent += nread;
+  }
+
+out:
+  if (nsent != -1)
+    req->off = offset;
+
+  return nsent;
+}
+
+
+static ssize_t uv__fs_sendfile(uv_fs_t* req) {
+  int in_fd;
+  int out_fd;
+
+  in_fd = req->flags;
+  out_fd = req->file;
+
+#if defined(__linux__) || defined(__sun)
+  {
+    off_t off;
+    ssize_t r;
+
+    off = req->off;
+    r = sendfile(out_fd, in_fd, &off, req->len);
+
+    /* sendfile() on SunOS returns EINVAL if the target fd is not a socket but
+     * it still writes out data. Fortunately, we can detect it by checking if
+     * the offset has been updated.
+     */
+    if (r != -1 || off > req->off) {
+      r = off - req->off;
+      req->off = off;
+      return r;
+    }
+
+    if (errno == EINVAL ||
+        errno == EIO ||
+        errno == ENOTSOCK ||
+        errno == EXDEV) {
+      errno = 0;
+      return uv__fs_sendfile_emul(req);
+    }
+
+    return -1;
+  }
+#elif defined(__FreeBSD__) || defined(__APPLE__)
+  {
+    off_t len;
+    ssize_t r;
+
+    /* sendfile() on FreeBSD and Darwin returns EAGAIN if the target fd is in
+     * non-blocking mode and not all data could be written. If a non-zero
+     * number of bytes have been sent, we don't consider it an error.
+     */
+
+#if defined(__FreeBSD__)
+    len = 0;
+    r = sendfile(in_fd, out_fd, req->off, req->len, NULL, &len, 0);
+#else
+    /* The darwin sendfile takes len as an input for the length to send,
+     * so make sure to initialize it with the caller's value. */
+    len = req->len;
+    r = sendfile(in_fd, out_fd, req->off, &len, NULL, 0);
+#endif
+
+    if (r != -1 || len != 0) {
+      req->off += len;
+      return (ssize_t) len;
+    }
+
+    if (errno == EINVAL ||
+        errno == EIO ||
+        errno == ENOTSOCK ||
+        errno == EXDEV) {
+      errno = 0;
+      return uv__fs_sendfile_emul(req);
+    }
+
+    return -1;
+  }
+#else
+  /* Squelch compiler warnings. */
+  (void) &in_fd;
+  (void) &out_fd;
+
+  return uv__fs_sendfile_emul(req);
+#endif
+}
+
+
+static ssize_t uv__fs_utime(uv_fs_t* req) {
+  struct utimbuf buf;
+  buf.actime = req->atime;
+  buf.modtime = req->mtime;
+  return utime(req->path, &buf); /* TODO use utimes() where available */
+}
+
+
+static ssize_t uv__fs_write(uv_fs_t* req) {
+  ssize_t r;
+
+  /* Serialize writes on OS X, concurrent write() and pwrite() calls result in
+   * data loss. We can't use a per-file descriptor lock, the descriptor may be
+   * a dup().
+   */
+#if defined(__APPLE__)
+  static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+  pthread_mutex_lock(&lock);
+#endif
+
+  if (req->off < 0)
+    r = write(req->file, req->buf, req->len);
+  else
+    r = pwrite(req->file, req->buf, req->len, req->off);
+
+#if defined(__APPLE__)
+  pthread_mutex_unlock(&lock);
+#endif
+
+  return r;
+}
+
+static void uv__to_stat(struct stat* src, uv_stat_t* dst) {
+  dst->st_dev = src->st_dev;
+  dst->st_mode = src->st_mode;
+  dst->st_nlink = src->st_nlink;
+  dst->st_uid = src->st_uid;
+  dst->st_gid = src->st_gid;
+  dst->st_rdev = src->st_rdev;
+  dst->st_ino = src->st_ino;
+  dst->st_size = src->st_size;
+  dst->st_blksize = src->st_blksize;
+  dst->st_blocks = src->st_blocks;
+
+#if defined(__APPLE__)
+  dst->st_atim.tv_sec = src->st_atimespec.tv_sec;
+  dst->st_atim.tv_nsec = src->st_atimespec.tv_nsec;
+  dst->st_mtim.tv_sec = src->st_mtimespec.tv_sec;
+  dst->st_mtim.tv_nsec = src->st_mtimespec.tv_nsec;
+  dst->st_ctim.tv_sec = src->st_ctimespec.tv_sec;
+  dst->st_ctim.tv_nsec = src->st_ctimespec.tv_nsec;
+  dst->st_birthtim.tv_sec = src->st_birthtimespec.tv_sec;
+  dst->st_birthtim.tv_nsec = src->st_birthtimespec.tv_nsec;
+  dst->st_flags = src->st_flags;
+  dst->st_gen = src->st_gen;
+#elif defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || defined(_XOPEN_SOURCE)
+  dst->st_atim.tv_sec = src->st_atim.tv_sec;
+  dst->st_atim.tv_nsec = src->st_atim.tv_nsec;
+  dst->st_mtim.tv_sec = src->st_mtim.tv_sec;
+  dst->st_mtim.tv_nsec = src->st_mtim.tv_nsec;
+  dst->st_ctim.tv_sec = src->st_ctim.tv_sec;
+  dst->st_ctim.tv_nsec = src->st_ctim.tv_nsec;
+# if defined(__DragonFly__)  || \
+     defined(__FreeBSD__)    || \
+     defined(__OpenBSD__)    || \
+     defined(__NetBSD__)
+  dst->st_birthtim.tv_sec = src->st_birthtim.tv_sec;
+  dst->st_birthtim.tv_nsec = src->st_birthtim.tv_nsec;
+  dst->st_flags = src->st_flags;
+  dst->st_gen = src->st_gen;
+# else
+  dst->st_birthtim.tv_sec = src->st_ctim.tv_sec;
+  dst->st_birthtim.tv_nsec = src->st_ctim.tv_nsec;
+  dst->st_flags = 0;
+  dst->st_gen = 0;
+# endif
+#else
+  dst->st_atim.tv_sec = src->st_atime;
+  dst->st_atim.tv_nsec = 0;
+  dst->st_mtim.tv_sec = src->st_mtime;
+  dst->st_mtim.tv_nsec = 0;
+  dst->st_ctim.tv_sec = src->st_ctime;
+  dst->st_ctim.tv_nsec = 0;
+  dst->st_birthtim.tv_sec = src->st_ctime;
+  dst->st_birthtim.tv_nsec = 0;
+  dst->st_flags = 0;
+  dst->st_gen = 0;
+#endif
+}
+
+
+static int uv__fs_stat(const char *path, uv_stat_t *buf) {
+  struct stat pbuf;
+  int ret;
+  ret = stat(path, &pbuf);
+  uv__to_stat(&pbuf, buf);
+  return ret;
+}
+
+
+static int uv__fs_lstat(const char *path, uv_stat_t *buf) {
+  struct stat pbuf;
+  int ret;
+  ret = lstat(path, &pbuf);
+  uv__to_stat(&pbuf, buf);
+  return ret;
+}
+
+
+static int uv__fs_fstat(int fd, uv_stat_t *buf) {
+  struct stat pbuf;
+  int ret;
+  ret = fstat(fd, &pbuf);
+  uv__to_stat(&pbuf, buf);
+  return ret;
+}
+
+
+static void uv__fs_work(struct uv__work* w) {
+  int retry_on_eintr;
+  uv_fs_t* req;
+  ssize_t r;
+
+  req = container_of(w, uv_fs_t, work_req);
+  retry_on_eintr = !(req->fs_type == UV_FS_CLOSE);
+
+  do {
+    errno = 0;
+
+#define X(type, action)                                                       \
+  case UV_FS_ ## type:                                                        \
+    r = action;                                                               \
+    break;
+
+    switch (req->fs_type) {
+    X(CHMOD, chmod(req->path, req->mode));
+    X(CHOWN, chown(req->path, req->uid, req->gid));
+    X(CLOSE, close(req->file));
+    X(FCHMOD, fchmod(req->file, req->mode));
+    X(FCHOWN, fchown(req->file, req->uid, req->gid));
+    X(FDATASYNC, uv__fs_fdatasync(req));
+    X(FSTAT, uv__fs_fstat(req->file, &req->statbuf));
+    X(FSYNC, fsync(req->file));
+    X(FTRUNCATE, ftruncate(req->file, req->off));
+    X(FUTIME, uv__fs_futime(req));
+    X(LSTAT, uv__fs_lstat(req->path, &req->statbuf));
+    X(LINK, link(req->path, req->new_path));
+    X(MKDIR, mkdir(req->path, req->mode));
+    X(OPEN, open(req->path, req->flags, req->mode));
+    X(READ, uv__fs_read(req));
+    X(READDIR, uv__fs_readdir(req));
+    X(READLINK, uv__fs_readlink(req));
+    X(RENAME, rename(req->path, req->new_path));
+    X(RMDIR, rmdir(req->path));
+    X(SENDFILE, uv__fs_sendfile(req));
+    X(STAT, uv__fs_stat(req->path, &req->statbuf));
+    X(SYMLINK, symlink(req->path, req->new_path));
+    X(UNLINK, unlink(req->path));
+    X(UTIME, uv__fs_utime(req));
+    X(WRITE, uv__fs_write(req));
+    default: abort();
+    }
+
+#undef X
+  }
+  while (r == -1 && errno == EINTR && retry_on_eintr);
+
+  if (r == -1)
+    req->result = -errno;
+  else
+    req->result = r;
+
+  if (r == 0 && (req->fs_type == UV_FS_STAT ||
+                 req->fs_type == UV_FS_FSTAT ||
+                 req->fs_type == UV_FS_LSTAT)) {
+    req->ptr = &req->statbuf;
+  }
+}
+
+
+static void uv__fs_done(struct uv__work* w, int status) {
+  uv_fs_t* req;
+
+  req = container_of(w, uv_fs_t, work_req);
+  uv__req_unregister(req->loop, req);
+
+  if (status == -ECANCELED) {
+    assert(req->result == 0);
+    req->result = -ECANCELED;
+  }
+
+  if (req->cb != NULL)
+    req->cb(req);
+}
+
+
+int uv_fs_chmod(uv_loop_t* loop,
+                uv_fs_t* req,
+                const char* path,
+                int mode,
+                uv_fs_cb cb) {
+  INIT(CHMOD);
+  PATH;
+  req->mode = mode;
+  POST;
+}
+
+
+int uv_fs_chown(uv_loop_t* loop,
+                uv_fs_t* req,
+                const char* path,
+                uv_uid_t uid,
+                uv_gid_t gid,
+                uv_fs_cb cb) {
+  INIT(CHOWN);
+  PATH;
+  req->uid = uid;
+  req->gid = gid;
+  POST;
+}
+
+
+int uv_fs_close(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb) {
+  INIT(CLOSE);
+  req->file = file;
+  POST;
+}
+
+
+int uv_fs_fchmod(uv_loop_t* loop,
+                 uv_fs_t* req,
+                 uv_file file,
+                 int mode,
+                 uv_fs_cb cb) {
+  INIT(FCHMOD);
+  req->file = file;
+  req->mode = mode;
+  POST;
+}
+
+
+int uv_fs_fchown(uv_loop_t* loop,
+                 uv_fs_t* req,
+                 uv_file file,
+                 uv_uid_t uid,
+                 uv_gid_t gid,
+                 uv_fs_cb cb) {
+  INIT(FCHOWN);
+  req->file = file;
+  req->uid = uid;
+  req->gid = gid;
+  POST;
+}
+
+
+int uv_fs_fdatasync(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb) {
+  INIT(FDATASYNC);
+  req->file = file;
+  POST;
+}
+
+
+int uv_fs_fstat(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb) {
+  INIT(FSTAT);
+  req->file = file;
+  POST;
+}
+
+
+int uv_fs_fsync(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb) {
+  INIT(FSYNC);
+  req->file = file;
+  POST;
+}
+
+
+int uv_fs_ftruncate(uv_loop_t* loop,
+                    uv_fs_t* req,
+                    uv_file file,
+                    int64_t off,
+                    uv_fs_cb cb) {
+  INIT(FTRUNCATE);
+  req->file = file;
+  req->off = off;
+  POST;
+}
+
+
+int uv_fs_futime(uv_loop_t* loop,
+                 uv_fs_t* req,
+                 uv_file file,
+                 double atime,
+                 double mtime,
+                 uv_fs_cb cb) {
+  INIT(FUTIME);
+  req->file = file;
+  req->atime = atime;
+  req->mtime = mtime;
+  POST;
+}
+
+
+int uv_fs_lstat(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb) {
+  INIT(LSTAT);
+  PATH;
+  POST;
+}
+
+
+int uv_fs_link(uv_loop_t* loop,
+               uv_fs_t* req,
+               const char* path,
+               const char* new_path,
+               uv_fs_cb cb) {
+  INIT(LINK);
+  PATH2;
+  POST;
+}
+
+
+int uv_fs_mkdir(uv_loop_t* loop,
+                uv_fs_t* req,
+                const char* path,
+                int mode,
+                uv_fs_cb cb) {
+  INIT(MKDIR);
+  PATH;
+  req->mode = mode;
+  POST;
+}
+
+
+int uv_fs_open(uv_loop_t* loop,
+               uv_fs_t* req,
+               const char* path,
+               int flags,
+               int mode,
+               uv_fs_cb cb) {
+  INIT(OPEN);
+  PATH;
+  req->flags = flags;
+  req->mode = mode;
+  POST;
+}
+
+
+int uv_fs_read(uv_loop_t* loop, uv_fs_t* req,
+               uv_file file,
+               void* buf,
+               size_t len,
+               int64_t off,
+               uv_fs_cb cb) {
+  INIT(READ);
+  req->file = file;
+  req->buf = buf;
+  req->len = len;
+  req->off = off;
+  POST;
+}
+
+
+int uv_fs_readdir(uv_loop_t* loop,
+                  uv_fs_t* req,
+                  const char* path,
+                  int flags,
+                  uv_fs_cb cb) {
+  INIT(READDIR);
+  PATH;
+  req->flags = flags;
+  POST;
+}
+
+
+int uv_fs_readlink(uv_loop_t* loop,
+                   uv_fs_t* req,
+                   const char* path,
+                   uv_fs_cb cb) {
+  INIT(READLINK);
+  PATH;
+  POST;
+}
+
+
+int uv_fs_rename(uv_loop_t* loop,
+                 uv_fs_t* req,
+                 const char* path,
+                 const char* new_path,
+                 uv_fs_cb cb) {
+  INIT(RENAME);
+  PATH2;
+  POST;
+}
+
+
+int uv_fs_rmdir(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb) {
+  INIT(RMDIR);
+  PATH;
+  POST;
+}
+
+
+int uv_fs_sendfile(uv_loop_t* loop,
+                   uv_fs_t* req,
+                   uv_file out_fd,
+                   uv_file in_fd,
+                   int64_t off,
+                   size_t len,
+                   uv_fs_cb cb) {
+  INIT(SENDFILE);
+  req->flags = in_fd; /* hack */
+  req->file = out_fd;
+  req->off = off;
+  req->len = len;
+  POST;
+}
+
+
+int uv_fs_stat(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb) {
+  INIT(STAT);
+  PATH;
+  POST;
+}
+
+
+int uv_fs_symlink(uv_loop_t* loop,
+                  uv_fs_t* req,
+                  const char* path,
+                  const char* new_path,
+                  int flags,
+                  uv_fs_cb cb) {
+  INIT(SYMLINK);
+  PATH2;
+  req->flags = flags;
+  POST;
+}
+
+
+int uv_fs_unlink(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb) {
+  INIT(UNLINK);
+  PATH;
+  POST;
+}
+
+
+int uv_fs_utime(uv_loop_t* loop,
+                uv_fs_t* req,
+                const char* path,
+                double atime,
+                double mtime,
+                uv_fs_cb cb) {
+  INIT(UTIME);
+  PATH;
+  req->atime = atime;
+  req->mtime = mtime;
+  POST;
+}
+
+
+int uv_fs_write(uv_loop_t* loop,
+                uv_fs_t* req,
+                uv_file file,
+                const void* buf,
+                size_t len,
+                int64_t off,
+                uv_fs_cb cb) {
+  INIT(WRITE);
+  req->file = file;
+  req->buf = (void*) buf;
+  req->len = len;
+  req->off = off;
+  POST;
+}
+
+
+void uv_fs_req_cleanup(uv_fs_t* req) {
+  free((void*) req->path);
+  req->path = NULL;
+  req->new_path = NULL;
+
+  if (req->ptr != &req->statbuf)
+    free(req->ptr);
+  req->ptr = NULL;
+}

third-party/libuv/src/unix/fsevents.c

@@ -0,0 +1,899 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#if TARGET_OS_IPHONE
+
+/* iOS (currently) doesn't provide the FSEvents-API (nor CoreServices) */
+
+int uv__fsevents_init(uv_fs_event_t* handle) {
+  return 0;
+}
+
+
+int uv__fsevents_close(uv_fs_event_t* handle) {
+  return 0;
+}
+
+
+void uv__fsevents_loop_delete(uv_loop_t* loop) {
+}
+
+#else /* TARGET_OS_IPHONE */
+
+#include <dlfcn.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <pthread.h>
+
+#include <CoreFoundation/CFRunLoop.h>
+#include <CoreServices/CoreServices.h>
+
+/* These are macros to avoid "initializer element is not constant" errors
+ * with old versions of gcc.
+ */
+#define kFSEventsModified (kFSEventStreamEventFlagItemFinderInfoMod |         \
+                           kFSEventStreamEventFlagItemModified |              \
+                           kFSEventStreamEventFlagItemInodeMetaMod |          \
+                           kFSEventStreamEventFlagItemChangeOwner |           \
+                           kFSEventStreamEventFlagItemXattrMod)
+
+#define kFSEventsRenamed  (kFSEventStreamEventFlagItemCreated |               \
+                           kFSEventStreamEventFlagItemRemoved |               \
+                           kFSEventStreamEventFlagItemRenamed)
+
+#define kFSEventsSystem   (kFSEventStreamEventFlagUserDropped |               \
+                           kFSEventStreamEventFlagKernelDropped |             \
+                           kFSEventStreamEventFlagEventIdsWrapped |           \
+                           kFSEventStreamEventFlagHistoryDone |               \
+                           kFSEventStreamEventFlagMount |                     \
+                           kFSEventStreamEventFlagUnmount |                   \
+                           kFSEventStreamEventFlagRootChanged)
+
+typedef struct uv__fsevents_event_s uv__fsevents_event_t;
+typedef struct uv__cf_loop_signal_s uv__cf_loop_signal_t;
+typedef struct uv__cf_loop_state_s uv__cf_loop_state_t;
+
+struct uv__cf_loop_signal_s {
+  QUEUE member;
+  uv_fs_event_t* handle;
+};
+
+struct uv__fsevents_event_s {
+  QUEUE member;
+  int events;
+  char path[1];
+};
+
+struct uv__cf_loop_state_s {
+  CFRunLoopRef loop;
+  CFRunLoopSourceRef signal_source;
+  int fsevent_need_reschedule;
+  FSEventStreamRef fsevent_stream;
+  uv_sem_t fsevent_sem;
+  uv_mutex_t fsevent_mutex;
+  void* fsevent_handles[2];
+  unsigned int fsevent_handle_count;
+};
+
+/* Forward declarations */
+static void uv__cf_loop_cb(void* arg);
+static void* uv__cf_loop_runner(void* arg);
+static int uv__cf_loop_signal(uv_loop_t* loop, uv_fs_event_t* handle);
+
+/* Lazy-loaded by uv__fsevents_global_init(). */
+static CFArrayRef (*pCFArrayCreate)(CFAllocatorRef,
+                                    const void**,
+                                    CFIndex,
+                                    const CFArrayCallBacks*);
+static void (*pCFRelease)(CFTypeRef);
+static void (*pCFRunLoopAddSource)(CFRunLoopRef,
+                                   CFRunLoopSourceRef,
+                                   CFStringRef);
+static CFRunLoopRef (*pCFRunLoopGetCurrent)(void);
+static void (*pCFRunLoopRemoveSource)(CFRunLoopRef,
+                                      CFRunLoopSourceRef,
+                                      CFStringRef);
+static void (*pCFRunLoopRun)(void);
+static CFRunLoopSourceRef (*pCFRunLoopSourceCreate)(CFAllocatorRef,
+                                                    CFIndex,
+                                                    CFRunLoopSourceContext*);
+static void (*pCFRunLoopSourceSignal)(CFRunLoopSourceRef);
+static void (*pCFRunLoopStop)(CFRunLoopRef);
+static void (*pCFRunLoopWakeUp)(CFRunLoopRef);
+static CFStringRef (*pCFStringCreateWithFileSystemRepresentation)(
+    CFAllocatorRef,
+    const char*);
+static CFStringEncoding (*pCFStringGetSystemEncoding)(void);
+static CFStringRef (*pkCFRunLoopDefaultMode);
+static FSEventStreamRef (*pFSEventStreamCreate)(CFAllocatorRef,
+                                                FSEventStreamCallback,
+                                                FSEventStreamContext*,
+                                                CFArrayRef,
+                                                FSEventStreamEventId,
+                                                CFTimeInterval,
+                                                FSEventStreamCreateFlags);
+static void (*pFSEventStreamFlushSync)(FSEventStreamRef);
+static void (*pFSEventStreamInvalidate)(FSEventStreamRef);
+static void (*pFSEventStreamRelease)(FSEventStreamRef);
+static void (*pFSEventStreamScheduleWithRunLoop)(FSEventStreamRef,
+                                                 CFRunLoopRef,
+                                                 CFStringRef);
+static Boolean (*pFSEventStreamStart)(FSEventStreamRef);
+static void (*pFSEventStreamStop)(FSEventStreamRef);
+
+#define UV__FSEVENTS_PROCESS(handle, block)                                   \
+    do {                                                                      \
+      QUEUE events;                                                           \
+      QUEUE* q;                                                               \
+      uv__fsevents_event_t* event;                                            \
+      int err;                                                                \
+      uv_mutex_lock(&(handle)->cf_mutex);                                     \
+      /* Split-off all events and empty original queue */                     \
+      QUEUE_INIT(&events);                                                    \
+      if (!QUEUE_EMPTY(&(handle)->cf_events)) {                               \
+        q = QUEUE_HEAD(&(handle)->cf_events);                                 \
+        QUEUE_SPLIT(&(handle)->cf_events, q, &events);                        \
+      }                                                                       \
+      /* Get error (if any) and zero original one */                          \
+      err = (handle)->cf_error;                                               \
+      (handle)->cf_error = 0;                                                 \
+      uv_mutex_unlock(&(handle)->cf_mutex);                                   \
+      /* Loop through events, deallocating each after processing */           \
+      while (!QUEUE_EMPTY(&events)) {                                         \
+        q = QUEUE_HEAD(&events);                                              \
+        event = QUEUE_DATA(q, uv__fsevents_event_t, member);                  \
+        QUEUE_REMOVE(q);                                                      \
+        /* NOTE: Checking uv__is_active() is required here, because handle    \
+         * callback may close handle and invoking it after it will lead to    \
+         * incorrect behaviour */                                             \
+        if (!uv__is_closing((handle)) && uv__is_active((handle)))             \
+          block                                                               \
+        /* Free allocated data */                                             \
+        free(event);                                                          \
+      }                                                                       \
+      if (err != 0 && !uv__is_closing((handle)) && uv__is_active((handle)))   \
+        (handle)->cb((handle), NULL, 0, err);                                 \
+    } while (0)
+
+
+/* Runs in UV loop's thread, when there're events to report to handle */
+static void uv__fsevents_cb(uv_async_t* cb, int status) {
+  uv_fs_event_t* handle;
+
+  handle = cb->data;
+
+  UV__FSEVENTS_PROCESS(handle, {
+    handle->cb(handle, event->path[0] ? event->path : NULL, event->events, 0);
+  });
+}
+
+
+/* Runs in CF thread, pushed event into handle's event list */
+static void uv__fsevents_push_event(uv_fs_event_t* handle,
+                                    QUEUE* events,
+                                    int err) {
+  assert(events != NULL || err != 0);
+  uv_mutex_lock(&handle->cf_mutex);
+
+  /* Concatenate two queues */
+  if (events != NULL)
+    QUEUE_ADD(&handle->cf_events, events);
+
+  /* Propagate error */
+  if (err != 0)
+    handle->cf_error = err;
+  uv_mutex_unlock(&handle->cf_mutex);
+
+  uv_async_send(handle->cf_cb);
+}
+
+
+/* Runs in CF thread, when there're events in FSEventStream */
+static void uv__fsevents_event_cb(ConstFSEventStreamRef streamRef,
+                                  void* info,
+                                  size_t numEvents,
+                                  void* eventPaths,
+                                  const FSEventStreamEventFlags eventFlags[],
+                                  const FSEventStreamEventId eventIds[]) {
+  size_t i;
+  int len;
+  char** paths;
+  char* path;
+  char* pos;
+  uv_fs_event_t* handle;
+  QUEUE* q;
+  uv_loop_t* loop;
+  uv__cf_loop_state_t* state;
+  uv__fsevents_event_t* event;
+  QUEUE head;
+
+  loop = info;
+  state = loop->cf_state;
+  assert(state != NULL);
+  paths = eventPaths;
+
+  /* For each handle */
+  uv_mutex_lock(&state->fsevent_mutex);
+  QUEUE_FOREACH(q, &state->fsevent_handles) {
+    handle = QUEUE_DATA(q, uv_fs_event_t, cf_member);
+    QUEUE_INIT(&head);
+
+    /* Process and filter out events */
+    for (i = 0; i < numEvents; i++) {
+      /* Ignore system events */
+      if (eventFlags[i] & kFSEventsSystem)
+        continue;
+
+      path = paths[i];
+      len = strlen(path);
+
+      /* Filter out paths that are outside handle's request */
+      if (strncmp(path, handle->realpath, handle->realpath_len) != 0)
+        continue;
+
+      if (handle->realpath_len > 1 || *handle->realpath != '/') {
+        path += handle->realpath_len;
+        len -= handle->realpath_len;
+
+        /* Skip forward slash */
+        if (*path != '\0') {
+          path++;
+          len--;
+        }
+      }
+
+#ifdef MAC_OS_X_VERSION_10_7
+      /* Ignore events with path equal to directory itself */
+      if (len == 0)
+        continue;
+#endif /* MAC_OS_X_VERSION_10_7 */
+
+      /* Do not emit events from subdirectories (without option set) */
+      if ((handle->cf_flags & UV_FS_EVENT_RECURSIVE) == 0 && *path != 0) {
+        pos = strchr(path + 1, '/');
+        if (pos != NULL)
+          continue;
+      }
+
+#ifndef MAC_OS_X_VERSION_10_7
+      path = "";
+      len = 0;
+#endif /* MAC_OS_X_VERSION_10_7 */
+
+      event = malloc(sizeof(*event) + len);
+      if (event == NULL)
+        break;
+
+      memset(event, 0, sizeof(*event));
+      memcpy(event->path, path, len + 1);
+
+      if ((eventFlags[i] & kFSEventsModified) != 0 &&
+          (eventFlags[i] & kFSEventsRenamed) == 0)
+        event->events = UV_CHANGE;
+      else
+        event->events = UV_RENAME;
+
+      QUEUE_INSERT_TAIL(&head, &event->member);
+    }
+
+    if (!QUEUE_EMPTY(&head))
+      uv__fsevents_push_event(handle, &head, 0);
+  }
+  uv_mutex_unlock(&state->fsevent_mutex);
+}
+
+
+/* Runs in CF thread */
+static int uv__fsevents_create_stream(uv_loop_t* loop, CFArrayRef paths) {
+  uv__cf_loop_state_t* state;
+  FSEventStreamContext ctx;
+  FSEventStreamRef ref;
+  CFAbsoluteTime latency;
+  FSEventStreamCreateFlags flags;
+
+  /* Initialize context */
+  ctx.version = 0;
+  ctx.info = loop;
+  ctx.retain = NULL;
+  ctx.release = NULL;
+  ctx.copyDescription = NULL;
+
+  latency = 0.05;
+
+  /* Explanation of selected flags:
+   * 1. NoDefer - without this flag, events that are happening continuously
+   *    (i.e. each event is happening after time interval less than `latency`,
+   *    counted from previous event), will be deferred and passed to callback
+   *    once they'll either fill whole OS buffer, or when this continuous stream
+   *    will stop (i.e. there'll be delay between events, bigger than
+   *    `latency`).
+   *    Specifying this flag will invoke callback after `latency` time passed
+   *    since event.
+   * 2. FileEvents - fire callback for file changes too (by default it is firing
+   *    it only for directory changes).
+   */
+  flags = kFSEventStreamCreateFlagNoDefer | kFSEventStreamCreateFlagFileEvents;
+
+  /*
+   * NOTE: It might sound like a good idea to remember last seen StreamEventId,
+   * but in reality one dir might have last StreamEventId less than, the other,
+   * that is being watched now. Which will cause FSEventStream API to report
+   * changes to files from the past.
+   */
+  ref = pFSEventStreamCreate(NULL,
+                             &uv__fsevents_event_cb,
+                             &ctx,
+                             paths,
+                             kFSEventStreamEventIdSinceNow,
+                             latency,
+                             flags);
+  assert(ref != NULL);
+
+  state = loop->cf_state;
+  pFSEventStreamScheduleWithRunLoop(ref,
+                                    state->loop,
+                                    *pkCFRunLoopDefaultMode);
+  if (!pFSEventStreamStart(ref)) {
+    pFSEventStreamInvalidate(ref);
+    pFSEventStreamRelease(ref);
+    return -EMFILE;
+  }
+
+  state->fsevent_stream = ref;
+  return 0;
+}
+
+
+/* Runs in CF thread */
+static void uv__fsevents_destroy_stream(uv_loop_t* loop) {
+  uv__cf_loop_state_t* state;
+
+  state = loop->cf_state;
+
+  if (state->fsevent_stream == NULL)
+    return;
+
+  /* Flush all accumulated events */
+  pFSEventStreamFlushSync(state->fsevent_stream);
+
+  /* Stop emitting events */
+  pFSEventStreamStop(state->fsevent_stream);
+
+  /* Release stream */
+  pFSEventStreamInvalidate(state->fsevent_stream);
+  pFSEventStreamRelease(state->fsevent_stream);
+  state->fsevent_stream = NULL;
+}
+
+
+/* Runs in CF thread, when there're new fsevent handles to add to stream */
+static void uv__fsevents_reschedule(uv_fs_event_t* handle) {
+  uv__cf_loop_state_t* state;
+  QUEUE* q;
+  uv_fs_event_t* curr;
+  CFArrayRef cf_paths;
+  CFStringRef* paths;
+  unsigned int i;
+  int err;
+  unsigned int path_count;
+
+  state = handle->loop->cf_state;
+  paths = NULL;
+  cf_paths = NULL;
+  err = 0;
+  /* NOTE: `i` is used in deallocation loop below */
+  i = 0;
+
+  /* Optimization to prevent O(n^2) time spent when starting to watch
+   * many files simultaneously
+   */
+  uv_mutex_lock(&state->fsevent_mutex);
+  if (state->fsevent_need_reschedule == 0) {
+    uv_mutex_unlock(&state->fsevent_mutex);
+    goto final;
+  }
+  state->fsevent_need_reschedule = 0;
+  uv_mutex_unlock(&state->fsevent_mutex);
+
+  /* Destroy previous FSEventStream */
+  uv__fsevents_destroy_stream(handle->loop);
+
+  /* Any failure below will be a memory failure */
+  err = -ENOMEM;
+
+  /* Create list of all watched paths */
+  uv_mutex_lock(&state->fsevent_mutex);
+  path_count = state->fsevent_handle_count;
+  if (path_count != 0) {
+    paths = malloc(sizeof(*paths) * path_count);
+    if (paths == NULL) {
+      uv_mutex_unlock(&state->fsevent_mutex);
+      goto final;
+    }
+
+    q = &state->fsevent_handles;
+    for (; i < path_count; i++) {
+      q = QUEUE_NEXT(q);
+      assert(q != &state->fsevent_handles);
+      curr = QUEUE_DATA(q, uv_fs_event_t, cf_member);
+
+      assert(curr->realpath != NULL);
+      paths[i] =
+          pCFStringCreateWithFileSystemRepresentation(NULL, curr->realpath);
+      if (paths[i] == NULL) {
+        uv_mutex_unlock(&state->fsevent_mutex);
+        goto final;
+      }
+    }
+  }
+  uv_mutex_unlock(&state->fsevent_mutex);
+  err = 0;
+
+  if (path_count != 0) {
+    /* Create new FSEventStream */
+    cf_paths = pCFArrayCreate(NULL, (const void**) paths, path_count, NULL);
+    if (cf_paths == NULL) {
+      err = -ENOMEM;
+      goto final;
+    }
+    err = uv__fsevents_create_stream(handle->loop, cf_paths);
+  }
+
+final:
+  /* Deallocate all paths in case of failure */
+  if (err != 0) {
+    if (cf_paths == NULL) {
+      while (i != 0)
+        pCFRelease(paths[--i]);
+      free(paths);
+    } else {
+      /* CFArray takes ownership of both strings and original C-array */
+      pCFRelease(cf_paths);
+    }
+
+    /* Broadcast error to all handles */
+    uv_mutex_lock(&state->fsevent_mutex);
+    QUEUE_FOREACH(q, &state->fsevent_handles) {
+      curr = QUEUE_DATA(q, uv_fs_event_t, cf_member);
+      uv__fsevents_push_event(curr, NULL, err);
+    }
+    uv_mutex_unlock(&state->fsevent_mutex);
+  }
+
+  /*
+   * Main thread will block until the removal of handle from the list,
+   * we must tell it when we're ready.
+   *
+   * NOTE: This is coupled with `uv_sem_wait()` in `uv__fsevents_close`
+   */
+  if (!uv__is_active(handle))
+    uv_sem_post(&state->fsevent_sem);
+}
+
+
+static int uv__fsevents_global_init(void) {
+  static pthread_mutex_t global_init_mutex = PTHREAD_MUTEX_INITIALIZER;
+  static void* core_foundation_handle;
+  static void* core_services_handle;
+  int err;
+
+  err = 0;
+  pthread_mutex_lock(&global_init_mutex);
+  if (core_foundation_handle != NULL)
+    goto out;
+
+  /* The libraries are never unloaded because we currently don't have a good
+   * mechanism for keeping a reference count. It's unlikely to be an issue
+   * but if it ever becomes one, we can turn the dynamic library handles into
+   * per-event loop properties and have the dynamic linker keep track for us.
+   */
+  err = -ENOSYS;
+  core_foundation_handle = dlopen("/System/Library/Frameworks/"
+                                  "CoreFoundation.framework/"
+                                  "Versions/A/CoreFoundation",
+                                  RTLD_LAZY | RTLD_LOCAL);
+  if (core_foundation_handle == NULL)
+    goto out;
+
+  core_services_handle = dlopen("/System/Library/Frameworks/"
+                                "CoreServices.framework/"
+                                "Versions/A/CoreServices",
+                                RTLD_LAZY | RTLD_LOCAL);
+  if (core_services_handle == NULL)
+    goto out;
+
+  err = -ENOENT;
+#define V(handle, symbol)                                                     \
+  do {                                                                        \
+    p ## symbol = dlsym((handle), #symbol);                                   \
+    if (p ## symbol == NULL)                                                  \
+      goto out;                                                               \
+  }                                                                           \
+  while (0)
+  V(core_foundation_handle, CFArrayCreate);
+  V(core_foundation_handle, CFRelease);
+  V(core_foundation_handle, CFRunLoopAddSource);
+  V(core_foundation_handle, CFRunLoopGetCurrent);
+  V(core_foundation_handle, CFRunLoopRemoveSource);
+  V(core_foundation_handle, CFRunLoopRun);
+  V(core_foundation_handle, CFRunLoopSourceCreate);
+  V(core_foundation_handle, CFRunLoopSourceSignal);
+  V(core_foundation_handle, CFRunLoopStop);
+  V(core_foundation_handle, CFRunLoopWakeUp);
+  V(core_foundation_handle, CFStringCreateWithFileSystemRepresentation);
+  V(core_foundation_handle, CFStringGetSystemEncoding);
+  V(core_foundation_handle, kCFRunLoopDefaultMode);
+  V(core_services_handle, FSEventStreamCreate);
+  V(core_services_handle, FSEventStreamFlushSync);
+  V(core_services_handle, FSEventStreamInvalidate);
+  V(core_services_handle, FSEventStreamRelease);
+  V(core_services_handle, FSEventStreamScheduleWithRunLoop);
+  V(core_services_handle, FSEventStreamStart);
+  V(core_services_handle, FSEventStreamStop);
+#undef V
+  err = 0;
+
+out:
+  if (err && core_services_handle != NULL) {
+    dlclose(core_services_handle);
+    core_services_handle = NULL;
+  }
+
+  if (err && core_foundation_handle != NULL) {
+    dlclose(core_foundation_handle);
+    core_foundation_handle = NULL;
+  }
+
+  pthread_mutex_unlock(&global_init_mutex);
+  return err;
+}
+
+
+/* Runs in UV loop */
+static int uv__fsevents_loop_init(uv_loop_t* loop) {
+  CFRunLoopSourceContext ctx;
+  uv__cf_loop_state_t* state;
+  pthread_attr_t attr_storage;
+  pthread_attr_t* attr;
+  int err;
+
+  if (loop->cf_state != NULL)
+    return 0;
+
+  err = uv__fsevents_global_init();
+  if (err)
+    return err;
+
+  state = calloc(1, sizeof(*state));
+  if (state == NULL)
+    return -ENOMEM;
+
+  err = uv_mutex_init(&loop->cf_mutex);
+  if (err)
+    goto fail_mutex_init;
+
+  err = uv_sem_init(&loop->cf_sem, 0);
+  if (err)
+    goto fail_sem_init;
+
+  QUEUE_INIT(&loop->cf_signals);
+
+  err = uv_sem_init(&state->fsevent_sem, 0);
+  if (err)
+    goto fail_fsevent_sem_init;
+
+  err = uv_mutex_init(&state->fsevent_mutex);
+  if (err)
+    goto fail_fsevent_mutex_init;
+
+  QUEUE_INIT(&state->fsevent_handles);
+  state->fsevent_need_reschedule = 0;
+  state->fsevent_handle_count = 0;
+
+  memset(&ctx, 0, sizeof(ctx));
+  ctx.info = loop;
+  ctx.perform = uv__cf_loop_cb;
+  state->signal_source = pCFRunLoopSourceCreate(NULL, 0, &ctx);
+  if (state->signal_source == NULL) {
+    err = -ENOMEM;
+    goto fail_signal_source_create;
+  }
+
+  /* In the unlikely event that pthread_attr_init() fails, create the thread
+   * with the default stack size. We'll use a little more address space but
+   * that in itself is not a fatal error.
+   */
+  attr = &attr_storage;
+  if (pthread_attr_init(attr))
+    attr = NULL;
+
+  if (attr != NULL)
+    if (pthread_attr_setstacksize(attr, 4 * PTHREAD_STACK_MIN))
+      abort();
+
+  loop->cf_state = state;
+
+  /* uv_thread_t is an alias for pthread_t. */
+  err = -pthread_create(&loop->cf_thread, attr, uv__cf_loop_runner, loop);
+
+  if (attr != NULL)
+    pthread_attr_destroy(attr);
+
+  if (err)
+    goto fail_thread_create;
+
+  /* Synchronize threads */
+  uv_sem_wait(&loop->cf_sem);
+  return 0;
+
+fail_thread_create:
+  loop->cf_state = NULL;
+
+fail_signal_source_create:
+  uv_mutex_destroy(&state->fsevent_mutex);
+
+fail_fsevent_mutex_init:
+  uv_sem_destroy(&state->fsevent_sem);
+
+fail_fsevent_sem_init:
+  uv_sem_destroy(&loop->cf_sem);
+
+fail_sem_init:
+  uv_mutex_destroy(&loop->cf_mutex);
+
+fail_mutex_init:
+  free(state);
+  return err;
+}
+
+
+/* Runs in UV loop */
+void uv__fsevents_loop_delete(uv_loop_t* loop) {
+  uv__cf_loop_signal_t* s;
+  uv__cf_loop_state_t* state;
+  QUEUE* q;
+
+  if (loop->cf_state == NULL)
+    return;
+
+  if (uv__cf_loop_signal(loop, NULL) != 0)
+    abort();
+
+  uv_thread_join(&loop->cf_thread);
+  uv_sem_destroy(&loop->cf_sem);
+  uv_mutex_destroy(&loop->cf_mutex);
+
+  /* Free any remaining data */
+  while (!QUEUE_EMPTY(&loop->cf_signals)) {
+    q = QUEUE_HEAD(&loop->cf_signals);
+    s = QUEUE_DATA(q, uv__cf_loop_signal_t, member);
+    QUEUE_REMOVE(q);
+    free(s);
+  }
+
+  /* Destroy state */
+  state = loop->cf_state;
+  uv_sem_destroy(&state->fsevent_sem);
+  uv_mutex_destroy(&state->fsevent_mutex);
+  pCFRelease(state->signal_source);
+  free(state);
+  loop->cf_state = NULL;
+}
+
+
+/* Runs in CF thread. This is the CF loop's body */
+static void* uv__cf_loop_runner(void* arg) {
+  uv_loop_t* loop;
+  uv__cf_loop_state_t* state;
+
+  loop = arg;
+  state = loop->cf_state;
+  state->loop = pCFRunLoopGetCurrent();
+
+  pCFRunLoopAddSource(state->loop,
+                      state->signal_source,
+                      *pkCFRunLoopDefaultMode);
+
+  uv_sem_post(&loop->cf_sem);
+
+  pCFRunLoopRun();
+  pCFRunLoopRemoveSource(state->loop,
+                         state->signal_source,
+                         *pkCFRunLoopDefaultMode);
+
+  return NULL;
+}
+
+
+/* Runs in CF thread, executed after `uv__cf_loop_signal()` */
+static void uv__cf_loop_cb(void* arg) {
+  uv_loop_t* loop;
+  uv__cf_loop_state_t* state;
+  QUEUE* item;
+  QUEUE split_head;
+  uv__cf_loop_signal_t* s;
+
+  loop = arg;
+  state = loop->cf_state;
+  QUEUE_INIT(&split_head);
+
+  uv_mutex_lock(&loop->cf_mutex);
+  if (!QUEUE_EMPTY(&loop->cf_signals)) {
+    QUEUE* split_pos = QUEUE_HEAD(&loop->cf_signals);
+    QUEUE_SPLIT(&loop->cf_signals, split_pos, &split_head);
+  }
+  uv_mutex_unlock(&loop->cf_mutex);
+
+  while (!QUEUE_EMPTY(&split_head)) {
+    item = QUEUE_HEAD(&split_head);
+
+    s = QUEUE_DATA(item, uv__cf_loop_signal_t, member);
+
+    /* This was a termination signal */
+    if (s->handle == NULL)
+      pCFRunLoopStop(state->loop);
+    else
+      uv__fsevents_reschedule(s->handle);
+
+    QUEUE_REMOVE(item);
+    free(s);
+  }
+}
+
+
+/* Runs in UV loop to notify CF thread */
+int uv__cf_loop_signal(uv_loop_t* loop, uv_fs_event_t* handle) {
+  uv__cf_loop_signal_t* item;
+  uv__cf_loop_state_t* state;
+
+  item = malloc(sizeof(*item));
+  if (item == NULL)
+    return -ENOMEM;
+
+  item->handle = handle;
+
+  uv_mutex_lock(&loop->cf_mutex);
+  QUEUE_INSERT_TAIL(&loop->cf_signals, &item->member);
+  uv_mutex_unlock(&loop->cf_mutex);
+
+  state = loop->cf_state;
+  assert(state != NULL);
+  pCFRunLoopSourceSignal(state->signal_source);
+  pCFRunLoopWakeUp(state->loop);
+
+  return 0;
+}
+
+
+/* Runs in UV loop to initialize handle */
+int uv__fsevents_init(uv_fs_event_t* handle) {
+  int err;
+  uv__cf_loop_state_t* state;
+
+  err = uv__fsevents_loop_init(handle->loop);
+  if (err)
+    return err;
+
+  /* Get absolute path to file */
+  handle->realpath = realpath(handle->filename, NULL);
+  if (handle->realpath == NULL)
+    return -errno;
+  handle->realpath_len = strlen(handle->realpath);
+
+  /* Initialize event queue */
+  QUEUE_INIT(&handle->cf_events);
+  handle->cf_error = 0;
+
+  /*
+   * Events will occur in other thread.
+   * Initialize callback for getting them back into event loop's thread
+   */
+  handle->cf_cb = malloc(sizeof(*handle->cf_cb));
+  if (handle->cf_cb == NULL) {
+    err = -ENOMEM;
+    goto fail_cf_cb_malloc;
+  }
+
+  handle->cf_cb->data = handle;
+  uv_async_init(handle->loop, handle->cf_cb, uv__fsevents_cb);
+  handle->cf_cb->flags |= UV__HANDLE_INTERNAL;
+  uv_unref((uv_handle_t*) handle->cf_cb);
+
+  err = uv_mutex_init(&handle->cf_mutex);
+  if (err)
+    goto fail_cf_mutex_init;
+
+  /* Insert handle into the list */
+  state = handle->loop->cf_state;
+  uv_mutex_lock(&state->fsevent_mutex);
+  QUEUE_INSERT_TAIL(&state->fsevent_handles, &handle->cf_member);
+  state->fsevent_handle_count++;
+  state->fsevent_need_reschedule = 1;
+  uv_mutex_unlock(&state->fsevent_mutex);
+
+  /* Reschedule FSEventStream */
+  assert(handle != NULL);
+  err = uv__cf_loop_signal(handle->loop, handle);
+  if (err)
+    goto fail_loop_signal;
+
+  return 0;
+
+fail_loop_signal:
+  uv_mutex_destroy(&handle->cf_mutex);
+
+fail_cf_mutex_init:
+  free(handle->cf_cb);
+  handle->cf_cb = NULL;
+
+fail_cf_cb_malloc:
+  free(handle->realpath);
+  handle->realpath = NULL;
+  handle->realpath_len = 0;
+
+  return err;
+}
+
+
+/* Runs in UV loop to de-initialize handle */
+int uv__fsevents_close(uv_fs_event_t* handle) {
+  int err;
+  uv__cf_loop_state_t* state;
+
+  if (handle->cf_cb == NULL)
+    return -EINVAL;
+
+  /* Remove handle from  the list */
+  state = handle->loop->cf_state;
+  uv_mutex_lock(&state->fsevent_mutex);
+  QUEUE_REMOVE(&handle->cf_member);
+  state->fsevent_handle_count--;
+  state->fsevent_need_reschedule = 1;
+  uv_mutex_unlock(&state->fsevent_mutex);
+
+  /* Reschedule FSEventStream */
+  assert(handle != NULL);
+  err = uv__cf_loop_signal(handle->loop, handle);
+  if (err)
+    return -err;
+
+  /* Wait for deinitialization */
+  uv_sem_wait(&state->fsevent_sem);
+
+  uv_close((uv_handle_t*) handle->cf_cb, (uv_close_cb) free);
+  handle->cf_cb = NULL;
+
+  /* Free data in queue */
+  UV__FSEVENTS_PROCESS(handle, {
+    /* NOP */
+  });
+
+  uv_mutex_destroy(&handle->cf_mutex);
+  free(handle->realpath);
+  handle->realpath = NULL;
+  handle->realpath_len = 0;
+
+  return 0;
+}
+
+#endif /* TARGET_OS_IPHONE */

third-party/libuv/src/unix/getaddrinfo.c

@@ -0,0 +1,135 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <errno.h>
+#include <stddef.h> /* NULL */
+#include <stdlib.h>
+#include <string.h>
+
+
+static void uv__getaddrinfo_work(struct uv__work* w) {
+  uv_getaddrinfo_t* req;
+  int err;
+
+  req = container_of(w, uv_getaddrinfo_t, work_req);
+  err = getaddrinfo(req->hostname, req->service, req->hints, &req->res);
+  req->retcode = uv__getaddrinfo_translate_error(err);
+}
+
+
+static void uv__getaddrinfo_done(struct uv__work* w, int status) {
+  uv_getaddrinfo_t* req;
+  struct addrinfo *res;
+
+  req = container_of(w, uv_getaddrinfo_t, work_req);
+  uv__req_unregister(req->loop, req);
+
+  res = req->res;
+  req->res = NULL;
+
+  /* See initialization in uv_getaddrinfo(). */
+  if (req->hints)
+    free(req->hints);
+  else if (req->service)
+    free(req->service);
+  else if (req->hostname)
+    free(req->hostname);
+  else
+    assert(0);
+
+  req->hints = NULL;
+  req->service = NULL;
+  req->hostname = NULL;
+
+  if (status == -ECANCELED) {
+    assert(req->retcode == 0);
+    req->retcode = UV_EAI_CANCELED;
+  }
+
+  req->cb(req, req->retcode, res);
+}
+
+
+int uv_getaddrinfo(uv_loop_t* loop,
+                   uv_getaddrinfo_t* req,
+                   uv_getaddrinfo_cb cb,
+                   const char* hostname,
+                   const char* service,
+                   const struct addrinfo* hints) {
+  size_t hostname_len;
+  size_t service_len;
+  size_t hints_len;
+  size_t len;
+  char* buf;
+
+  if (req == NULL || cb == NULL || (hostname == NULL && service == NULL))
+    return -EINVAL;
+
+  hostname_len = hostname ? strlen(hostname) + 1 : 0;
+  service_len = service ? strlen(service) + 1 : 0;
+  hints_len = hints ? sizeof(*hints) : 0;
+  buf = malloc(hostname_len + service_len + hints_len);
+
+  if (buf == NULL)
+    return -ENOMEM;
+
+  uv__req_init(loop, req, UV_GETADDRINFO);
+  req->loop = loop;
+  req->cb = cb;
+  req->res = NULL;
+  req->hints = NULL;
+  req->service = NULL;
+  req->hostname = NULL;
+  req->retcode = 0;
+
+  /* order matters, see uv_getaddrinfo_done() */
+  len = 0;
+
+  if (hints) {
+    req->hints = memcpy(buf + len, hints, sizeof(*hints));
+    len += sizeof(*hints);
+  }
+
+  if (service) {
+    req->service = memcpy(buf + len, service, service_len);
+    len += service_len;
+  }
+
+  if (hostname) {
+    req->hostname = memcpy(buf + len, hostname, hostname_len);
+    len += hostname_len;
+  }
+
+  uv__work_submit(loop,
+                  &req->work_req,
+                  uv__getaddrinfo_work,
+                  uv__getaddrinfo_done);
+
+  return 0;
+}
+
+
+void uv_freeaddrinfo(struct addrinfo* ai) {
+  if (ai)
+    freeaddrinfo(ai);
+}

third-party/libuv/src/unix/internal.h

@@ -0,0 +1,296 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef UV_UNIX_INTERNAL_H_
+#define UV_UNIX_INTERNAL_H_
+
+#include "uv-common.h"
+
+#include <assert.h>
+#include <stdlib.h> /* abort */
+#include <string.h> /* strrchr */
+
+#if defined(__STRICT_ANSI__)
+# define inline __inline
+#endif
+
+#if defined(__linux__)
+# include "linux-syscalls.h"
+#endif /* __linux__ */
+
+#if defined(__sun)
+# include <sys/port.h>
+# include <port.h>
+#endif /* __sun */
+
+#if defined(__APPLE__) && !TARGET_OS_IPHONE
+# include <CoreServices/CoreServices.h>
+#endif
+
+#define STATIC_ASSERT(expr)                                                   \
+  void uv__static_assert(int static_assert_failed[1 - 2 * !(expr)])
+
+#define ACCESS_ONCE(type, var)                                                \
+  (*(volatile type*) &(var))
+
+#define UNREACHABLE()                                                         \
+  do {                                                                        \
+    assert(0 && "unreachable code");                                          \
+    abort();                                                                  \
+  }                                                                           \
+  while (0)
+
+#define SAVE_ERRNO(block)                                                     \
+  do {                                                                        \
+    int _saved_errno = errno;                                                 \
+    do { block; } while (0);                                                  \
+    errno = _saved_errno;                                                     \
+  }                                                                           \
+  while (0)
+
+/* The __clang__ and __INTEL_COMPILER checks are superfluous because they
+ * define __GNUC__. They are here to convey to you, dear reader, that these
+ * macros are enabled when compiling with clang or icc.
+ */
+#if defined(__clang__) ||                                                     \
+    defined(__GNUC__) ||                                                      \
+    defined(__INTEL_COMPILER) ||                                              \
+    defined(__SUNPRO_C)
+# define UV_DESTRUCTOR(declaration) __attribute__((destructor)) declaration
+# define UV_UNUSED(declaration)     __attribute__((unused)) declaration
+#else
+# define UV_DESTRUCTOR(declaration) declaration
+# define UV_UNUSED(declaration)     declaration
+#endif
+
+#if defined(__linux__)
+# define UV__POLLIN   UV__EPOLLIN
+# define UV__POLLOUT  UV__EPOLLOUT
+# define UV__POLLERR  UV__EPOLLERR
+# define UV__POLLHUP  UV__EPOLLHUP
+#endif
+
+#if defined(__sun)
+# define UV__POLLIN   POLLIN
+# define UV__POLLOUT  POLLOUT
+# define UV__POLLERR  POLLERR
+# define UV__POLLHUP  POLLHUP
+#endif
+
+#ifndef UV__POLLIN
+# define UV__POLLIN   1
+#endif
+
+#ifndef UV__POLLOUT
+# define UV__POLLOUT  2
+#endif
+
+#ifndef UV__POLLERR
+# define UV__POLLERR  4
+#endif
+
+#ifndef UV__POLLHUP
+# define UV__POLLHUP  8
+#endif
+
+/* handle flags */
+enum {
+  UV_CLOSING              = 0x01,   /* uv_close() called but not finished. */
+  UV_CLOSED               = 0x02,   /* close(2) finished. */
+  UV_STREAM_READING       = 0x04,   /* uv_read_start() called. */
+  UV_STREAM_SHUTTING      = 0x08,   /* uv_shutdown() called but not complete. */
+  UV_STREAM_SHUT          = 0x10,   /* Write side closed. */
+  UV_STREAM_READABLE      = 0x20,   /* The stream is readable */
+  UV_STREAM_WRITABLE      = 0x40,   /* The stream is writable */
+  UV_STREAM_BLOCKING      = 0x80,   /* Synchronous writes. */
+  UV_STREAM_READ_PARTIAL  = 0x100,  /* read(2) read less than requested. */
+  UV_STREAM_READ_EOF      = 0x200,  /* read(2) read EOF. */
+  UV_TCP_NODELAY          = 0x400,  /* Disable Nagle. */
+  UV_TCP_KEEPALIVE        = 0x800,  /* Turn on keep-alive. */
+  UV_TCP_SINGLE_ACCEPT    = 0x1000  /* Only accept() when idle. */
+};
+
+typedef enum {
+  UV_CLOCK_PRECISE = 0,  /* Use the highest resolution clock available. */
+  UV_CLOCK_FAST = 1      /* Use the fastest clock with <= 1ms granularity. */
+} uv_clocktype_t;
+
+/* core */
+int uv__nonblock(int fd, int set);
+int uv__close(int fd);
+int uv__cloexec(int fd, int set);
+int uv__socket(int domain, int type, int protocol);
+int uv__dup(int fd);
+ssize_t uv__recvmsg(int fd, struct msghdr *msg, int flags);
+void uv__make_close_pending(uv_handle_t* handle);
+
+void uv__io_init(uv__io_t* w, uv__io_cb cb, int fd);
+void uv__io_start(uv_loop_t* loop, uv__io_t* w, unsigned int events);
+void uv__io_stop(uv_loop_t* loop, uv__io_t* w, unsigned int events);
+void uv__io_close(uv_loop_t* loop, uv__io_t* w);
+void uv__io_feed(uv_loop_t* loop, uv__io_t* w);
+int uv__io_active(const uv__io_t* w, unsigned int events);
+void uv__io_poll(uv_loop_t* loop, int timeout); /* in milliseconds or -1 */
+
+/* async */
+void uv__async_send(struct uv__async* wa);
+void uv__async_init(struct uv__async* wa);
+int uv__async_start(uv_loop_t* loop, struct uv__async* wa, uv__async_cb cb);
+void uv__async_stop(uv_loop_t* loop, struct uv__async* wa);
+
+/* loop */
+void uv__run_idle(uv_loop_t* loop);
+void uv__run_check(uv_loop_t* loop);
+void uv__run_prepare(uv_loop_t* loop);
+
+/* stream */
+void uv__stream_init(uv_loop_t* loop, uv_stream_t* stream,
+    uv_handle_type type);
+int uv__stream_open(uv_stream_t*, int fd, int flags);
+void uv__stream_destroy(uv_stream_t* stream);
+#if defined(__APPLE__)
+int uv__stream_try_select(uv_stream_t* stream, int* fd);
+#endif /* defined(__APPLE__) */
+void uv__server_io(uv_loop_t* loop, uv__io_t* w, unsigned int events);
+int uv__accept(int sockfd);
+
+/* tcp */
+int uv_tcp_listen(uv_tcp_t* tcp, int backlog, uv_connection_cb cb);
+int uv__tcp_nodelay(int fd, int on);
+int uv__tcp_keepalive(int fd, int on, unsigned int delay);
+
+/* pipe */
+int uv_pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb);
+
+/* timer */
+void uv__run_timers(uv_loop_t* loop);
+int uv__next_timeout(const uv_loop_t* loop);
+
+/* signal */
+void uv__signal_close(uv_signal_t* handle);
+void uv__signal_global_once_init(void);
+void uv__signal_loop_cleanup(uv_loop_t* loop);
+
+/* thread pool */
+void uv__work_submit(uv_loop_t* loop,
+                     struct uv__work *w,
+                     void (*work)(struct uv__work *w),
+                     void (*done)(struct uv__work *w, int status));
+void uv__work_done(uv_async_t* handle, int status);
+
+/* platform specific */
+uint64_t uv__hrtime(uv_clocktype_t type);
+int uv__kqueue_init(uv_loop_t* loop);
+int uv__platform_loop_init(uv_loop_t* loop, int default_loop);
+void uv__platform_loop_delete(uv_loop_t* loop);
+void uv__platform_invalidate_fd(uv_loop_t* loop, int fd);
+
+/* various */
+void uv__async_close(uv_async_t* handle);
+void uv__check_close(uv_check_t* handle);
+void uv__fs_event_close(uv_fs_event_t* handle);
+void uv__idle_close(uv_idle_t* handle);
+void uv__pipe_close(uv_pipe_t* handle);
+void uv__poll_close(uv_poll_t* handle);
+void uv__prepare_close(uv_prepare_t* handle);
+void uv__process_close(uv_process_t* handle);
+void uv__stream_close(uv_stream_t* handle);
+void uv__tcp_close(uv_tcp_t* handle);
+void uv__timer_close(uv_timer_t* handle);
+void uv__udp_close(uv_udp_t* handle);
+void uv__udp_finish_close(uv_udp_t* handle);
+
+#if defined(__APPLE__)
+int uv___stream_fd(uv_stream_t* handle);
+#define uv__stream_fd(handle) (uv___stream_fd((uv_stream_t*) (handle)))
+#else
+#define uv__stream_fd(handle) ((handle)->io_watcher.fd)
+#endif /* defined(__APPLE__) */
+
+#ifdef UV__O_NONBLOCK
+# define UV__F_NONBLOCK UV__O_NONBLOCK
+#else
+# define UV__F_NONBLOCK 1
+#endif
+
+int uv__make_socketpair(int fds[2], int flags);
+int uv__make_pipe(int fds[2], int flags);
+
+#if defined(__APPLE__)
+
+int uv__fsevents_init(uv_fs_event_t* handle);
+int uv__fsevents_close(uv_fs_event_t* handle);
+void uv__fsevents_loop_delete(uv_loop_t* loop);
+
+/* OSX < 10.7 has no file events, polyfill them */
+#ifndef MAC_OS_X_VERSION_10_7
+
+static const int kFSEventStreamCreateFlagFileEvents = 0x00000010;
+static const int kFSEventStreamEventFlagItemCreated = 0x00000100;
+static const int kFSEventStreamEventFlagItemRemoved = 0x00000200;
+static const int kFSEventStreamEventFlagItemInodeMetaMod = 0x00000400;
+static const int kFSEventStreamEventFlagItemRenamed = 0x00000800;
+static const int kFSEventStreamEventFlagItemModified = 0x00001000;
+static const int kFSEventStreamEventFlagItemFinderInfoMod = 0x00002000;
+static const int kFSEventStreamEventFlagItemChangeOwner = 0x00004000;
+static const int kFSEventStreamEventFlagItemXattrMod = 0x00008000;
+static const int kFSEventStreamEventFlagItemIsFile = 0x00010000;
+static const int kFSEventStreamEventFlagItemIsDir = 0x00020000;
+static const int kFSEventStreamEventFlagItemIsSymlink = 0x00040000;
+
+#endif /* __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070 */
+
+#endif /* defined(__APPLE__) */
+
+UV_UNUSED(static void uv__req_init(uv_loop_t* loop,
+                                   uv_req_t* req,
+                                   uv_req_type type)) {
+  req->type = type;
+  uv__req_register(loop, req);
+}
+#define uv__req_init(loop, req, type) \
+  uv__req_init((loop), (uv_req_t*)(req), (type))
+
+UV_UNUSED(static void uv__update_time(uv_loop_t* loop)) {
+  /* Use a fast time source if available.  We only need millisecond precision.
+   */
+  loop->time = uv__hrtime(UV_CLOCK_FAST) / 1000000;
+}
+
+UV_UNUSED(static char* uv__basename_r(const char* path)) {
+  char* s;
+
+  s = strrchr(path, '/');
+  if (s == NULL)
+    return (char*) path;
+
+  return s + 1;
+}
+
+
+#ifdef HAVE_DTRACE
+#include "uv-dtrace.h"
+#else
+#define UV_TICK_START(arg0, arg1)
+#define UV_TICK_STOP(arg0, arg1)
+#endif
+
+#endif /* UV_UNIX_INTERNAL_H_ */

third-party/libuv/src/unix/kqueue.c

@@ -0,0 +1,403 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include <sys/sysctl.h>
+#include <sys/types.h>
+#include <sys/event.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <time.h>
+
+static void uv__fs_event(uv_loop_t* loop, uv__io_t* w, unsigned int fflags);
+
+
+int uv__kqueue_init(uv_loop_t* loop) {
+  loop->backend_fd = kqueue();
+  if (loop->backend_fd == -1)
+    return -errno;
+
+  uv__cloexec(loop->backend_fd, 1);
+
+  return 0;
+}
+
+
+void uv__io_poll(uv_loop_t* loop, int timeout) {
+  struct kevent events[1024];
+  struct kevent* ev;
+  struct timespec spec;
+  unsigned int nevents;
+  unsigned int revents;
+  QUEUE* q;
+  uint64_t base;
+  uint64_t diff;
+  uv__io_t* w;
+  int filter;
+  int fflags;
+  int count;
+  int nfds;
+  int fd;
+  int op;
+  int i;
+
+  if (loop->nfds == 0) {
+    assert(QUEUE_EMPTY(&loop->watcher_queue));
+    return;
+  }
+
+  nevents = 0;
+
+  while (!QUEUE_EMPTY(&loop->watcher_queue)) {
+    q = QUEUE_HEAD(&loop->watcher_queue);
+    QUEUE_REMOVE(q);
+    QUEUE_INIT(q);
+
+    w = QUEUE_DATA(q, uv__io_t, watcher_queue);
+    assert(w->pevents != 0);
+    assert(w->fd >= 0);
+    assert(w->fd < (int) loop->nwatchers);
+
+    if ((w->events & UV__POLLIN) == 0 && (w->pevents & UV__POLLIN) != 0) {
+      filter = EVFILT_READ;
+      fflags = 0;
+      op = EV_ADD;
+
+      if (w->cb == uv__fs_event) {
+        filter = EVFILT_VNODE;
+        fflags = NOTE_ATTRIB | NOTE_WRITE  | NOTE_RENAME
+               | NOTE_DELETE | NOTE_EXTEND | NOTE_REVOKE;
+        op = EV_ADD | EV_ONESHOT; /* Stop the event from firing repeatedly. */
+      }
+
+      EV_SET(events + nevents, w->fd, filter, op, fflags, 0, 0);
+
+      if (++nevents == ARRAY_SIZE(events)) {
+        if (kevent(loop->backend_fd, events, nevents, NULL, 0, NULL))
+          abort();
+        nevents = 0;
+      }
+    }
+
+    if ((w->events & UV__POLLOUT) == 0 && (w->pevents & UV__POLLOUT) != 0) {
+      EV_SET(events + nevents, w->fd, EVFILT_WRITE, EV_ADD, 0, 0, 0);
+
+      if (++nevents == ARRAY_SIZE(events)) {
+        if (kevent(loop->backend_fd, events, nevents, NULL, 0, NULL))
+          abort();
+        nevents = 0;
+      }
+    }
+
+    w->events = w->pevents;
+  }
+
+  assert(timeout >= -1);
+  base = loop->time;
+  count = 48; /* Benchmarks suggest this gives the best throughput. */
+
+  for (;; nevents = 0) {
+    if (timeout != -1) {
+      spec.tv_sec = timeout / 1000;
+      spec.tv_nsec = (timeout % 1000) * 1000000;
+    }
+
+    nfds = kevent(loop->backend_fd,
+                  events,
+                  nevents,
+                  events,
+                  ARRAY_SIZE(events),
+                  timeout == -1 ? NULL : &spec);
+
+    /* Update loop->time unconditionally. It's tempting to skip the update when
+     * timeout == 0 (i.e. non-blocking poll) but there is no guarantee that the
+     * operating system didn't reschedule our process while in the syscall.
+     */
+    SAVE_ERRNO(uv__update_time(loop));
+
+    if (nfds == 0) {
+      assert(timeout != -1);
+      return;
+    }
+
+    if (nfds == -1) {
+      if (errno != EINTR)
+        abort();
+
+      if (timeout == 0)
+        return;
+
+      if (timeout == -1)
+        continue;
+
+      /* Interrupted by a signal. Update timeout and poll again. */
+      goto update_timeout;
+    }
+
+    nevents = 0;
+
+    assert(loop->watchers != NULL);
+    loop->watchers[loop->nwatchers] = (void*) events;
+    loop->watchers[loop->nwatchers + 1] = (void*) (uintptr_t) nfds;
+    for (i = 0; i < nfds; i++) {
+      ev = events + i;
+      fd = ev->ident;
+      /* Skip invalidated events, see uv__platform_invalidate_fd */
+      if (fd == -1)
+        continue;
+      w = loop->watchers[fd];
+
+      if (w == NULL) {
+        /* File descriptor that we've stopped watching, disarm it. */
+        /* TODO batch up */
+        struct kevent events[1];
+
+        EV_SET(events + 0, fd, ev->filter, EV_DELETE, 0, 0, 0);
+        if (kevent(loop->backend_fd, events, 1, NULL, 0, NULL))
+          if (errno != EBADF && errno != ENOENT)
+            abort();
+
+        continue;
+      }
+
+      if (ev->filter == EVFILT_VNODE) {
+        assert(w->events == UV__POLLIN);
+        assert(w->pevents == UV__POLLIN);
+        w->cb(loop, w, ev->fflags); /* XXX always uv__fs_event() */
+        nevents++;
+        continue;
+      }
+
+      revents = 0;
+
+      if (ev->filter == EVFILT_READ) {
+        if (w->pevents & UV__POLLIN) {
+          revents |= UV__POLLIN;
+          w->rcount = ev->data;
+        } else {
+          /* TODO batch up */
+          struct kevent events[1];
+          EV_SET(events + 0, fd, ev->filter, EV_DELETE, 0, 0, 0);
+          if (kevent(loop->backend_fd, events, 1, NULL, 0, NULL))
+            if (errno != ENOENT)
+              abort();
+        }
+      }
+
+      if (ev->filter == EVFILT_WRITE) {
+        if (w->pevents & UV__POLLOUT) {
+          revents |= UV__POLLOUT;
+          w->wcount = ev->data;
+        } else {
+          /* TODO batch up */
+          struct kevent events[1];
+          EV_SET(events + 0, fd, ev->filter, EV_DELETE, 0, 0, 0);
+          if (kevent(loop->backend_fd, events, 1, NULL, 0, NULL))
+            if (errno != ENOENT)
+              abort();
+        }
+      }
+
+      if (ev->flags & EV_ERROR)
+        revents |= UV__POLLERR;
+
+      if (revents == 0)
+        continue;
+
+      w->cb(loop, w, revents);
+      nevents++;
+    }
+    loop->watchers[loop->nwatchers] = NULL;
+    loop->watchers[loop->nwatchers + 1] = NULL;
+
+    if (nevents != 0) {
+      if (nfds == ARRAY_SIZE(events) && --count != 0) {
+        /* Poll for more events but don't block this time. */
+        timeout = 0;
+        continue;
+      }
+      return;
+    }
+
+    if (timeout == 0)
+      return;
+
+    if (timeout == -1)
+      continue;
+
+update_timeout:
+    assert(timeout > 0);
+
+    diff = loop->time - base;
+    if (diff >= (uint64_t) timeout)
+      return;
+
+    timeout -= diff;
+  }
+}
+
+
+void uv__platform_invalidate_fd(uv_loop_t* loop, int fd) {
+  struct kevent* events;
+  uintptr_t i;
+  uintptr_t nfds;
+
+  assert(loop->watchers != NULL);
+
+  events = (struct kevent*) loop->watchers[loop->nwatchers];
+  nfds = (uintptr_t) loop->watchers[loop->nwatchers + 1];
+  if (events == NULL)
+    return;
+
+  /* Invalidate events with same file descriptor */
+  for (i = 0; i < nfds; i++)
+    if ((int) events[i].ident == fd)
+      events[i].ident = -1;
+}
+
+
+static void uv__fs_event(uv_loop_t* loop, uv__io_t* w, unsigned int fflags) {
+  uv_fs_event_t* handle;
+  struct kevent ev;
+  int events;
+  const char* path;
+#if defined(F_GETPATH)
+  /* MAXPATHLEN == PATH_MAX but the former is what XNU calls it internally. */
+  char pathbuf[MAXPATHLEN];
+#endif
+
+  handle = container_of(w, uv_fs_event_t, event_watcher);
+
+  if (fflags & (NOTE_ATTRIB | NOTE_EXTEND))
+    events = UV_CHANGE;
+  else
+    events = UV_RENAME;
+
+  path = NULL;
+#if defined(F_GETPATH)
+  /* Also works when the file has been unlinked from the file system. Passing
+   * in the path when the file has been deleted is arguably a little strange
+   * but it's consistent with what the inotify backend does.
+   */
+  if (fcntl(handle->event_watcher.fd, F_GETPATH, pathbuf) == 0)
+    path = uv__basename_r(pathbuf);
+#endif
+  handle->cb(handle, path, events, 0);
+
+  if (handle->event_watcher.fd == -1)
+    return;
+
+  /* Watcher operates in one-shot mode, re-arm it. */
+  fflags = NOTE_ATTRIB | NOTE_WRITE  | NOTE_RENAME
+         | NOTE_DELETE | NOTE_EXTEND | NOTE_REVOKE;
+
+  EV_SET(&ev, w->fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, fflags, 0, 0);
+
+  if (kevent(loop->backend_fd, &ev, 1, NULL, 0, NULL))
+    abort();
+}
+
+
+int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle) {
+  uv__handle_init(loop, (uv_handle_t*)handle, UV_FS_EVENT);
+  return 0;
+}
+
+
+int uv_fs_event_start(uv_fs_event_t* handle,
+                      uv_fs_event_cb cb,
+                      const char* filename,
+                      unsigned int flags) {
+#if defined(__APPLE__)
+  struct stat statbuf;
+#endif /* defined(__APPLE__) */
+  int fd;
+
+  if (uv__is_active(handle))
+    return -EINVAL;
+
+  /* TODO open asynchronously - but how do we report back errors? */
+  fd = open(filename, O_RDONLY);
+  if (fd == -1)
+    return -errno;
+
+  uv__handle_start(handle);
+  uv__io_init(&handle->event_watcher, uv__fs_event, fd);
+  handle->filename = strdup(filename);
+  handle->cb = cb;
+
+#if defined(__APPLE__)
+  /* Nullify field to perform checks later */
+  handle->cf_cb = NULL;
+  handle->realpath = NULL;
+  handle->realpath_len = 0;
+  handle->cf_flags = flags;
+
+  if (fstat(fd, &statbuf))
+    goto fallback;
+  /* FSEvents works only with directories */
+  if (!(statbuf.st_mode & S_IFDIR))
+    goto fallback;
+
+  return uv__fsevents_init(handle);
+
+fallback:
+#endif /* defined(__APPLE__) */
+
+  uv__io_start(handle->loop, &handle->event_watcher, UV__POLLIN);
+
+  return 0;
+}
+
+
+int uv_fs_event_stop(uv_fs_event_t* handle) {
+  if (!uv__is_active(handle))
+    return -EINVAL;
+
+  uv__handle_stop(handle);
+
+#if defined(__APPLE__)
+  if (uv__fsevents_close(handle))
+    uv__io_stop(handle->loop, &handle->event_watcher, UV__POLLIN);
+#else
+  uv__io_stop(handle->loop, &handle->event_watcher, UV__POLLIN);
+#endif /* defined(__APPLE__) */
+
+  free(handle->filename);
+  handle->filename = NULL;
+
+  uv__close(handle->event_watcher.fd);
+  handle->event_watcher.fd = -1;
+
+  return 0;
+}
+
+
+void uv__fs_event_close(uv_fs_event_t* handle) {
+  uv_fs_event_stop(handle);
+}

third-party/libuv/src/unix/linux-core.c

@@ -0,0 +1,816 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <errno.h>
+
+#include <net/if.h>
+#include <sys/param.h>
+#include <sys/prctl.h>
+#include <sys/sysinfo.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <time.h>
+
+#ifndef __ANDROID__
+#define HAVE_IFADDRS_H 1
+#endif
+
+#ifdef __UCLIBC__
+# if __UCLIBC_MAJOR__ < 0 || __UCLIBC_MINOR__ < 9 || __UCLIBC_SUBLEVEL__ < 32
+#  undef HAVE_IFADDRS_H
+# endif
+#endif
+#ifdef HAVE_IFADDRS_H
+# include <ifaddrs.h>
+# include <sys/socket.h>
+# include <net/ethernet.h>
+# include <linux/if_packet.h>
+#endif
+
+/* Available from 2.6.32 onwards. */
+#ifndef CLOCK_MONOTONIC_COARSE
+# define CLOCK_MONOTONIC_COARSE 6
+#endif
+
+/* This is rather annoying: CLOCK_BOOTTIME lives in <linux/time.h> but we can't
+ * include that file because it conflicts with <time.h>. We'll just have to
+ * define it ourselves.
+ */
+#ifndef CLOCK_BOOTTIME
+# define CLOCK_BOOTTIME 7
+#endif
+
+static int read_models(unsigned int numcpus, uv_cpu_info_t* ci);
+static int read_times(unsigned int numcpus, uv_cpu_info_t* ci);
+static void read_speeds(unsigned int numcpus, uv_cpu_info_t* ci);
+static unsigned long read_cpufreq(unsigned int cpunum);
+
+
+int uv__platform_loop_init(uv_loop_t* loop, int default_loop) {
+  int fd;
+
+  fd = uv__epoll_create1(UV__EPOLL_CLOEXEC);
+
+  /* epoll_create1() can fail either because it's not implemented (old kernel)
+   * or because it doesn't understand the EPOLL_CLOEXEC flag.
+   */
+  if (fd == -1 && (errno == ENOSYS || errno == EINVAL)) {
+    fd = uv__epoll_create(256);
+
+    if (fd != -1)
+      uv__cloexec(fd, 1);
+  }
+
+  loop->backend_fd = fd;
+  loop->inotify_fd = -1;
+  loop->inotify_watchers = NULL;
+
+  if (fd == -1)
+    return -errno;
+
+  return 0;
+}
+
+
+void uv__platform_loop_delete(uv_loop_t* loop) {
+  if (loop->inotify_fd == -1) return;
+  uv__io_stop(loop, &loop->inotify_read_watcher, UV__POLLIN);
+  uv__close(loop->inotify_fd);
+  loop->inotify_fd = -1;
+}
+
+
+void uv__platform_invalidate_fd(uv_loop_t* loop, int fd) {
+  struct uv__epoll_event* events;
+  uintptr_t i;
+  uintptr_t nfds;
+
+  assert(loop->watchers != NULL);
+
+  events = (struct uv__epoll_event*) loop->watchers[loop->nwatchers];
+  nfds = (uintptr_t) loop->watchers[loop->nwatchers + 1];
+  if (events == NULL)
+    return;
+
+  /* Invalidate events with same file descriptor */
+  for (i = 0; i < nfds; i++)
+    if ((int) events[i].data == fd)
+      events[i].data = -1;
+}
+
+
+void uv__io_poll(uv_loop_t* loop, int timeout) {
+  struct uv__epoll_event events[1024];
+  struct uv__epoll_event* pe;
+  struct uv__epoll_event e;
+  QUEUE* q;
+  uv__io_t* w;
+  uint64_t base;
+  uint64_t diff;
+  int nevents;
+  int count;
+  int nfds;
+  int fd;
+  int op;
+  int i;
+
+  if (loop->nfds == 0) {
+    assert(QUEUE_EMPTY(&loop->watcher_queue));
+    return;
+  }
+
+  while (!QUEUE_EMPTY(&loop->watcher_queue)) {
+    q = QUEUE_HEAD(&loop->watcher_queue);
+    QUEUE_REMOVE(q);
+    QUEUE_INIT(q);
+
+    w = QUEUE_DATA(q, uv__io_t, watcher_queue);
+    assert(w->pevents != 0);
+    assert(w->fd >= 0);
+    assert(w->fd < (int) loop->nwatchers);
+
+    e.events = w->pevents;
+    e.data = w->fd;
+
+    if (w->events == 0)
+      op = UV__EPOLL_CTL_ADD;
+    else
+      op = UV__EPOLL_CTL_MOD;
+
+    /* XXX Future optimization: do EPOLL_CTL_MOD lazily if we stop watching
+     * events, skip the syscall and squelch the events after epoll_wait().
+     */
+    if (uv__epoll_ctl(loop->backend_fd, op, w->fd, &e)) {
+      if (errno != EEXIST)
+        abort();
+
+      assert(op == UV__EPOLL_CTL_ADD);
+
+      /* We've reactivated a file descriptor that's been watched before. */
+      if (uv__epoll_ctl(loop->backend_fd, UV__EPOLL_CTL_MOD, w->fd, &e))
+        abort();
+    }
+
+    w->events = w->pevents;
+  }
+
+  assert(timeout >= -1);
+  base = loop->time;
+  count = 48; /* Benchmarks suggest this gives the best throughput. */
+
+  for (;;) {
+    nfds = uv__epoll_wait(loop->backend_fd,
+                          events,
+                          ARRAY_SIZE(events),
+                          timeout);
+
+    /* Update loop->time unconditionally. It's tempting to skip the update when
+     * timeout == 0 (i.e. non-blocking poll) but there is no guarantee that the
+     * operating system didn't reschedule our process while in the syscall.
+     */
+    SAVE_ERRNO(uv__update_time(loop));
+
+    if (nfds == 0) {
+      assert(timeout != -1);
+      return;
+    }
+
+    if (nfds == -1) {
+      if (errno != EINTR)
+        abort();
+
+      if (timeout == -1)
+        continue;
+
+      if (timeout == 0)
+        return;
+
+      /* Interrupted by a signal. Update timeout and poll again. */
+      goto update_timeout;
+    }
+
+    nevents = 0;
+
+    assert(loop->watchers != NULL);
+    loop->watchers[loop->nwatchers] = (void*) events;
+    loop->watchers[loop->nwatchers + 1] = (void*) (uintptr_t) nfds;
+    for (i = 0; i < nfds; i++) {
+      pe = events + i;
+      fd = pe->data;
+
+      /* Skip invalidated events, see uv__platform_invalidate_fd */
+      if (fd == -1)
+        continue;
+
+      assert(fd >= 0);
+      assert((unsigned) fd < loop->nwatchers);
+
+      w = loop->watchers[fd];
+
+      if (w == NULL) {
+        /* File descriptor that we've stopped watching, disarm it.
+         *
+         * Ignore all errors because we may be racing with another thread
+         * when the file descriptor is closed.
+         */
+        uv__epoll_ctl(loop->backend_fd, UV__EPOLL_CTL_DEL, fd, pe);
+        continue;
+      }
+
+      /* Give users only events they're interested in. Prevents spurious
+       * callbacks when previous callback invocation in this loop has stopped
+       * the current watcher. Also, filters out events that users has not
+       * requested us to watch.
+       */
+      pe->events &= w->pevents | UV__POLLERR | UV__POLLHUP;
+
+      /* Work around an epoll quirk where it sometimes reports just the
+       * EPOLLERR or EPOLLHUP event.  In order to force the event loop to
+       * move forward, we merge in the read/write events that the watcher
+       * is interested in; uv__read() and uv__write() will then deal with
+       * the error or hangup in the usual fashion.
+       *
+       * Note to self: happens when epoll reports EPOLLIN|EPOLLHUP, the user
+       * reads the available data, calls uv_read_stop(), then sometime later
+       * calls uv_read_start() again.  By then, libuv has forgotten about the
+       * hangup and the kernel won't report EPOLLIN again because there's
+       * nothing left to read.  If anything, libuv is to blame here.  The
+       * current hack is just a quick bandaid; to properly fix it, libuv
+       * needs to remember the error/hangup event.  We should get that for
+       * free when we switch over to edge-triggered I/O.
+       */
+      if (pe->events == UV__EPOLLERR || pe->events == UV__EPOLLHUP)
+        pe->events |= w->pevents & (UV__EPOLLIN | UV__EPOLLOUT);
+
+      if (pe->events != 0) {
+        w->cb(loop, w, pe->events);
+        nevents++;
+      }
+    }
+    loop->watchers[loop->nwatchers] = NULL;
+    loop->watchers[loop->nwatchers + 1] = NULL;
+
+    if (nevents != 0) {
+      if (nfds == ARRAY_SIZE(events) && --count != 0) {
+        /* Poll for more events but don't block this time. */
+        timeout = 0;
+        continue;
+      }
+      return;
+    }
+
+    if (timeout == 0)
+      return;
+
+    if (timeout == -1)
+      continue;
+
+update_timeout:
+    assert(timeout > 0);
+
+    diff = loop->time - base;
+    if (diff >= (uint64_t) timeout)
+      return;
+
+    timeout -= diff;
+  }
+}
+
+
+uint64_t uv__hrtime(uv_clocktype_t type) {
+  static clock_t fast_clock_id = -1;
+  struct timespec t;
+  clock_t clock_id;
+
+  /* Prefer CLOCK_MONOTONIC_COARSE if available but only when it has
+   * millisecond granularity or better.  CLOCK_MONOTONIC_COARSE is
+   * serviced entirely from the vDSO, whereas CLOCK_MONOTONIC may
+   * decide to make a costly system call.
+   */
+  /* TODO(bnoordhuis) Use CLOCK_MONOTONIC_COARSE for UV_CLOCK_PRECISE
+   * when it has microsecond granularity or better (unlikely).
+   */
+  if (type == UV_CLOCK_FAST && fast_clock_id == -1) {
+    if (clock_getres(CLOCK_MONOTONIC_COARSE, &t) == 0 &&
+        t.tv_nsec <= 1 * 1000 * 1000) {
+      fast_clock_id = CLOCK_MONOTONIC_COARSE;
+    } else {
+      fast_clock_id = CLOCK_MONOTONIC;
+    }
+  }
+
+  clock_id = CLOCK_MONOTONIC;
+  if (type == UV_CLOCK_FAST)
+    clock_id = fast_clock_id;
+
+  if (clock_gettime(clock_id, &t))
+    return 0;  /* Not really possible. */
+
+  return t.tv_sec * (uint64_t) 1e9 + t.tv_nsec;
+}
+
+
+void uv_loadavg(double avg[3]) {
+  struct sysinfo info;
+
+  if (sysinfo(&info) < 0) return;
+
+  avg[0] = (double) info.loads[0] / 65536.0;
+  avg[1] = (double) info.loads[1] / 65536.0;
+  avg[2] = (double) info.loads[2] / 65536.0;
+}
+
+
+int uv_exepath(char* buffer, size_t* size) {
+  ssize_t n;
+
+  if (buffer == NULL || size == NULL)
+    return -EINVAL;
+
+  n = readlink("/proc/self/exe", buffer, *size - 1);
+  if (n == -1)
+    return -errno;
+
+  buffer[n] = '\0';
+  *size = n;
+
+  return 0;
+}
+
+
+uint64_t uv_get_free_memory(void) {
+  return (uint64_t) sysconf(_SC_PAGESIZE) * sysconf(_SC_AVPHYS_PAGES);
+}
+
+
+uint64_t uv_get_total_memory(void) {
+  return (uint64_t) sysconf(_SC_PAGESIZE) * sysconf(_SC_PHYS_PAGES);
+}
+
+
+int uv_resident_set_memory(size_t* rss) {
+  char buf[1024];
+  const char* s;
+  ssize_t n;
+  long val;
+  int fd;
+  int i;
+
+  do
+    fd = open("/proc/self/stat", O_RDONLY);
+  while (fd == -1 && errno == EINTR);
+
+  if (fd == -1)
+    return -errno;
+
+  do
+    n = read(fd, buf, sizeof(buf) - 1);
+  while (n == -1 && errno == EINTR);
+
+  uv__close(fd);
+  if (n == -1)
+    return -errno;
+  buf[n] = '\0';
+
+  s = strchr(buf, ' ');
+  if (s == NULL)
+    goto err;
+
+  s += 1;
+  if (*s != '(')
+    goto err;
+
+  s = strchr(s, ')');
+  if (s == NULL)
+    goto err;
+
+  for (i = 1; i <= 22; i++) {
+    s = strchr(s + 1, ' ');
+    if (s == NULL)
+      goto err;
+  }
+
+  errno = 0;
+  val = strtol(s, NULL, 10);
+  if (errno != 0)
+    goto err;
+  if (val < 0)
+    goto err;
+
+  *rss = val * getpagesize();
+  return 0;
+
+err:
+  return -EINVAL;
+}
+
+
+int uv_uptime(double* uptime) {
+  static volatile int no_clock_boottime;
+  struct timespec now;
+  int r;
+
+  /* Try CLOCK_BOOTTIME first, fall back to CLOCK_MONOTONIC if not available
+   * (pre-2.6.39 kernels). CLOCK_MONOTONIC doesn't increase when the system
+   * is suspended.
+   */
+  if (no_clock_boottime) {
+    retry: r = clock_gettime(CLOCK_MONOTONIC, &now);
+  }
+  else if ((r = clock_gettime(CLOCK_BOOTTIME, &now)) && errno == EINVAL) {
+    no_clock_boottime = 1;
+    goto retry;
+  }
+
+  if (r)
+    return -errno;
+
+  *uptime = now.tv_sec;
+  return 0;
+}
+
+
+int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
+  unsigned int numcpus;
+  uv_cpu_info_t* ci;
+  int err;
+
+  *cpu_infos = NULL;
+  *count = 0;
+
+  numcpus = sysconf(_SC_NPROCESSORS_ONLN);
+  assert(numcpus != (unsigned int) -1);
+  assert(numcpus != 0);
+
+  ci = calloc(numcpus, sizeof(*ci));
+  if (ci == NULL)
+    return -ENOMEM;
+
+  err = read_models(numcpus, ci);
+  if (err == 0)
+    err = read_times(numcpus, ci);
+
+  if (err) {
+    uv_free_cpu_info(ci, numcpus);
+    return err;
+  }
+
+  /* read_models() on x86 also reads the CPU speed from /proc/cpuinfo.
+   * We don't check for errors here. Worst case, the field is left zero.
+   */
+  if (ci[0].speed == 0)
+    read_speeds(numcpus, ci);
+
+  *cpu_infos = ci;
+  *count = numcpus;
+
+  return 0;
+}
+
+
+static void read_speeds(unsigned int numcpus, uv_cpu_info_t* ci) {
+  unsigned int num;
+
+  for (num = 0; num < numcpus; num++)
+    ci[num].speed = read_cpufreq(num) / 1000;
+}
+
+
+/* Also reads the CPU frequency on x86. The other architectures only have
+ * a BogoMIPS field, which may not be very accurate.
+ *
+ * Note: Simply returns on error, uv_cpu_info() takes care of the cleanup.
+ */
+static int read_models(unsigned int numcpus, uv_cpu_info_t* ci) {
+  static const char model_marker[] = "model name\t: ";
+  static const char speed_marker[] = "cpu MHz\t\t: ";
+  const char* inferred_model;
+  unsigned int model_idx;
+  unsigned int speed_idx;
+  char buf[1024];
+  char* model;
+  FILE* fp;
+
+  /* Most are unused on non-ARM, non-MIPS and non-x86 architectures. */
+  (void) &model_marker;
+  (void) &speed_marker;
+  (void) &speed_idx;
+  (void) &model;
+  (void) &buf;
+  (void) &fp;
+
+  model_idx = 0;
+  speed_idx = 0;
+
+#if defined(__arm__) || \
+    defined(__i386__) || \
+    defined(__mips__) || \
+    defined(__x86_64__)
+  fp = fopen("/proc/cpuinfo", "r");
+  if (fp == NULL)
+    return -errno;
+
+  while (fgets(buf, sizeof(buf), fp)) {
+    if (model_idx < numcpus) {
+      if (strncmp(buf, model_marker, sizeof(model_marker) - 1) == 0) {
+        model = buf + sizeof(model_marker) - 1;
+        model = strndup(model, strlen(model) - 1);  /* Strip newline. */
+        if (model == NULL) {
+          fclose(fp);
+          return -ENOMEM;
+        }
+        ci[model_idx++].model = model;
+        continue;
+      }
+    }
+#if defined(__arm__) || defined(__mips__)
+    if (model_idx < numcpus) {
+#if defined(__arm__)
+      /* Fallback for pre-3.8 kernels. */
+      static const char model_marker[] = "Processor\t: ";
+#else	/* defined(__mips__) */
+      static const char model_marker[] = "cpu model\t\t: ";
+#endif
+      if (strncmp(buf, model_marker, sizeof(model_marker) - 1) == 0) {
+        model = buf + sizeof(model_marker) - 1;
+        model = strndup(model, strlen(model) - 1);  /* Strip newline. */
+        if (model == NULL) {
+          fclose(fp);
+          return -ENOMEM;
+        }
+        ci[model_idx++].model = model;
+        continue;
+      }
+    }
+#else  /* !__arm__ && !__mips__ */
+    if (speed_idx < numcpus) {
+      if (strncmp(buf, speed_marker, sizeof(speed_marker) - 1) == 0) {
+        ci[speed_idx++].speed = atoi(buf + sizeof(speed_marker) - 1);
+        continue;
+      }
+    }
+#endif  /* __arm__ || __mips__ */
+  }
+
+  fclose(fp);
+#endif  /* __arm__ || __i386__ || __mips__ || __x86_64__ */
+
+  /* Now we want to make sure that all the models contain *something* because
+   * it's not safe to leave them as null. Copy the last entry unless there
+   * isn't one, in that case we simply put "unknown" into everything.
+   */
+  inferred_model = "unknown";
+  if (model_idx > 0)
+    inferred_model = ci[model_idx - 1].model;
+
+  while (model_idx < numcpus) {
+    model = strndup(inferred_model, strlen(inferred_model));
+    if (model == NULL)
+      return -ENOMEM;
+    ci[model_idx++].model = model;
+  }
+
+  return 0;
+}
+
+
+static int read_times(unsigned int numcpus, uv_cpu_info_t* ci) {
+  unsigned long clock_ticks;
+  struct uv_cpu_times_s ts;
+  unsigned long user;
+  unsigned long nice;
+  unsigned long sys;
+  unsigned long idle;
+  unsigned long dummy;
+  unsigned long irq;
+  unsigned int num;
+  unsigned int len;
+  char buf[1024];
+  FILE* fp;
+
+  clock_ticks = sysconf(_SC_CLK_TCK);
+  assert(clock_ticks != (unsigned long) -1);
+  assert(clock_ticks != 0);
+
+  fp = fopen("/proc/stat", "r");
+  if (fp == NULL)
+    return -errno;
+
+  if (!fgets(buf, sizeof(buf), fp))
+    abort();
+
+  num = 0;
+
+  while (fgets(buf, sizeof(buf), fp)) {
+    if (num >= numcpus)
+      break;
+
+    if (strncmp(buf, "cpu", 3))
+      break;
+
+    /* skip "cpu<num> " marker */
+    {
+      unsigned int n;
+      int r = sscanf(buf, "cpu%u ", &n);
+      assert(r == 1);
+      (void) r;  /* silence build warning */
+      for (len = sizeof("cpu0"); n /= 10; len++);
+    }
+
+    /* Line contains user, nice, system, idle, iowait, irq, softirq, steal,
+     * guest, guest_nice but we're only interested in the first four + irq.
+     *
+     * Don't use %*s to skip fields or %ll to read straight into the uint64_t
+     * fields, they're not allowed in C89 mode.
+     */
+    if (6 != sscanf(buf + len,
+                    "%lu %lu %lu %lu %lu %lu",
+                    &user,
+                    &nice,
+                    &sys,
+                    &idle,
+                    &dummy,
+                    &irq))
+      abort();
+
+    ts.user = clock_ticks * user;
+    ts.nice = clock_ticks * nice;
+    ts.sys  = clock_ticks * sys;
+    ts.idle = clock_ticks * idle;
+    ts.irq  = clock_ticks * irq;
+    ci[num++].cpu_times = ts;
+  }
+  fclose(fp);
+  assert(num == numcpus);
+
+  return 0;
+}
+
+
+static unsigned long read_cpufreq(unsigned int cpunum) {
+  unsigned long val;
+  char buf[1024];
+  FILE* fp;
+
+  snprintf(buf,
+           sizeof(buf),
+           "/sys/devices/system/cpu/cpu%u/cpufreq/scaling_cur_freq",
+           cpunum);
+
+  fp = fopen(buf, "r");
+  if (fp == NULL)
+    return 0;
+
+  if (fscanf(fp, "%lu", &val) != 1)
+    val = 0;
+
+  fclose(fp);
+
+  return val;
+}
+
+
+void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    free(cpu_infos[i].model);
+  }
+
+  free(cpu_infos);
+}
+
+
+int uv_interface_addresses(uv_interface_address_t** addresses,
+  int* count) {
+#ifndef HAVE_IFADDRS_H
+  return -ENOSYS;
+#else
+  struct ifaddrs *addrs, *ent;
+  uv_interface_address_t* address;
+  int i;
+  struct sockaddr_ll *sll;
+
+  if (getifaddrs(&addrs))
+    return -errno;
+
+  *count = 0;
+
+  /* Count the number of interfaces */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+        (ent->ifa_addr == NULL) ||
+        (ent->ifa_addr->sa_family == PF_PACKET)) {
+      continue;
+    }
+
+    (*count)++;
+  }
+
+  *addresses = malloc(*count * sizeof(**addresses));
+  if (!(*addresses))
+    return -ENOMEM;
+
+  address = *addresses;
+
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)))
+      continue;
+
+    if (ent->ifa_addr == NULL)
+      continue;
+
+    /*
+     * On Linux getifaddrs returns information related to the raw underlying
+     * devices. We're not interested in this information yet.
+     */
+    if (ent->ifa_addr->sa_family == PF_PACKET)
+      continue;
+
+    address->name = strdup(ent->ifa_name);
+
+    if (ent->ifa_addr->sa_family == AF_INET6) {
+      address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr);
+    } else {
+      address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr);
+    }
+
+    if (ent->ifa_netmask->sa_family == AF_INET6) {
+      address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask);
+    } else {
+      address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask);
+    }
+
+    address->is_internal = !!(ent->ifa_flags & IFF_LOOPBACK);
+
+    address++;
+  }
+
+  /* Fill in physical addresses for each interface */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+        (ent->ifa_addr == NULL) ||
+        (ent->ifa_addr->sa_family != PF_PACKET)) {
+      continue;
+    }
+
+    address = *addresses;
+
+    for (i = 0; i < (*count); i++) {
+      if (strcmp(address->name, ent->ifa_name) == 0) {
+        sll = (struct sockaddr_ll*)ent->ifa_addr;
+        memcpy(address->phys_addr, sll->sll_addr, sizeof(address->phys_addr));
+      }
+      address++;
+    }
+  }
+
+  freeifaddrs(addrs);
+
+  return 0;
+#endif
+}
+
+
+void uv_free_interface_addresses(uv_interface_address_t* addresses,
+  int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    free(addresses[i].name);
+  }
+
+  free(addresses);
+}
+
+
+void uv__set_process_title(const char* title) {
+#if defined(PR_SET_NAME)
+  prctl(PR_SET_NAME, title);  /* Only copies first 16 characters. */
+#endif
+}

third-party/libuv/src/unix/linux-inotify.c

@@ -0,0 +1,257 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "tree.h"
+#include "internal.h"
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <unistd.h>
+
+struct watcher_list {
+  RB_ENTRY(watcher_list) entry;
+  QUEUE watchers;
+  char* path;
+  int wd;
+};
+
+struct watcher_root {
+  struct watcher_list* rbh_root;
+};
+#define CAST(p) ((struct watcher_root*)(p))
+
+
+static int compare_watchers(const struct watcher_list* a,
+                            const struct watcher_list* b) {
+  if (a->wd < b->wd) return -1;
+  if (a->wd > b->wd) return 1;
+  return 0;
+}
+
+
+RB_GENERATE_STATIC(watcher_root, watcher_list, entry, compare_watchers)
+
+
+static void uv__inotify_read(uv_loop_t* loop,
+                             uv__io_t* w,
+                             unsigned int revents);
+
+
+static int new_inotify_fd(void) {
+  int err;
+  int fd;
+
+  fd = uv__inotify_init1(UV__IN_NONBLOCK | UV__IN_CLOEXEC);
+  if (fd != -1)
+    return fd;
+
+  if (errno != ENOSYS)
+    return -errno;
+
+  fd = uv__inotify_init();
+  if (fd == -1)
+    return -errno;
+
+  err = uv__cloexec(fd, 1);
+  if (err == 0)
+    err = uv__nonblock(fd, 1);
+
+  if (err) {
+    uv__close(fd);
+    return err;
+  }
+
+  return fd;
+}
+
+
+static int init_inotify(uv_loop_t* loop) {
+  int err;
+
+  if (loop->inotify_fd != -1)
+    return 0;
+
+  err = new_inotify_fd();
+  if (err < 0)
+    return err;
+
+  loop->inotify_fd = err;
+  uv__io_init(&loop->inotify_read_watcher, uv__inotify_read, loop->inotify_fd);
+  uv__io_start(loop, &loop->inotify_read_watcher, UV__POLLIN);
+
+  return 0;
+}
+
+
+static struct watcher_list* find_watcher(uv_loop_t* loop, int wd) {
+  struct watcher_list w;
+  w.wd = wd;
+  return RB_FIND(watcher_root, CAST(&loop->inotify_watchers), &w);
+}
+
+
+static void uv__inotify_read(uv_loop_t* loop,
+                             uv__io_t* dummy,
+                             unsigned int events) {
+  const struct uv__inotify_event* e;
+  struct watcher_list* w;
+  uv_fs_event_t* h;
+  QUEUE* q;
+  const char* path;
+  ssize_t size;
+  const char *p;
+  /* needs to be large enough for sizeof(inotify_event) + strlen(filename) */
+  char buf[4096];
+
+  while (1) {
+    do
+      size = read(loop->inotify_fd, buf, sizeof(buf));
+    while (size == -1 && errno == EINTR);
+
+    if (size == -1) {
+      assert(errno == EAGAIN || errno == EWOULDBLOCK);
+      break;
+    }
+
+    assert(size > 0); /* pre-2.6.21 thing, size=0 == read buffer too small */
+
+    /* Now we have one or more inotify_event structs. */
+    for (p = buf; p < buf + size; p += sizeof(*e) + e->len) {
+      e = (const struct uv__inotify_event*)p;
+
+      events = 0;
+      if (e->mask & (UV__IN_ATTRIB|UV__IN_MODIFY))
+        events |= UV_CHANGE;
+      if (e->mask & ~(UV__IN_ATTRIB|UV__IN_MODIFY))
+        events |= UV_RENAME;
+
+      w = find_watcher(loop, e->wd);
+      if (w == NULL)
+        continue; /* Stale event, no watchers left. */
+
+      /* inotify does not return the filename when monitoring a single file
+       * for modifications. Repurpose the filename for API compatibility.
+       * I'm not convinced this is a good thing, maybe it should go.
+       */
+      path = e->len ? (const char*) (e + 1) : uv__basename_r(w->path);
+
+      QUEUE_FOREACH(q, &w->watchers) {
+        h = QUEUE_DATA(q, uv_fs_event_t, watchers);
+        h->cb(h, path, events, 0);
+      }
+    }
+  }
+}
+
+
+int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle) {
+  uv__handle_init(loop, (uv_handle_t*)handle, UV_FS_EVENT);
+  return 0;
+}
+
+
+int uv_fs_event_start(uv_fs_event_t* handle,
+                      uv_fs_event_cb cb,
+                      const char* path,
+                      unsigned int flags) {
+  struct watcher_list* w;
+  int events;
+  int err;
+  int wd;
+
+  if (uv__is_active(handle))
+    return -EINVAL;
+
+  err = init_inotify(handle->loop);
+  if (err)
+    return err;
+
+  events = UV__IN_ATTRIB
+         | UV__IN_CREATE
+         | UV__IN_MODIFY
+         | UV__IN_DELETE
+         | UV__IN_DELETE_SELF
+         | UV__IN_MOVE_SELF
+         | UV__IN_MOVED_FROM
+         | UV__IN_MOVED_TO;
+
+  wd = uv__inotify_add_watch(handle->loop->inotify_fd, path, events);
+  if (wd == -1)
+    return -errno;
+
+  w = find_watcher(handle->loop, wd);
+  if (w)
+    goto no_insert;
+
+  w = malloc(sizeof(*w) + strlen(path) + 1);
+  if (w == NULL)
+    return -ENOMEM;
+
+  w->wd = wd;
+  w->path = strcpy((char*)(w + 1), path);
+  QUEUE_INIT(&w->watchers);
+  RB_INSERT(watcher_root, CAST(&handle->loop->inotify_watchers), w);
+
+no_insert:
+  uv__handle_start(handle);
+  QUEUE_INSERT_TAIL(&w->watchers, &handle->watchers);
+  handle->filename = w->path;
+  handle->cb = cb;
+  handle->wd = wd;
+
+  return 0;
+}
+
+
+int uv_fs_event_stop(uv_fs_event_t* handle) {
+  struct watcher_list* w;
+
+  if (!uv__is_active(handle))
+    return -EINVAL;
+
+  w = find_watcher(handle->loop, handle->wd);
+  assert(w != NULL);
+
+  handle->wd = -1;
+  handle->filename = NULL;
+  uv__handle_stop(handle);
+  QUEUE_REMOVE(&handle->watchers);
+
+  if (QUEUE_EMPTY(&w->watchers)) {
+    /* No watchers left for this path. Clean up. */
+    RB_REMOVE(watcher_root, CAST(&handle->loop->inotify_watchers), w);
+    uv__inotify_rm_watch(handle->loop->inotify_fd, w->wd);
+    free(w);
+  }
+
+  return 0;
+}
+
+
+void uv__fs_event_close(uv_fs_event_t* handle) {
+  uv_fs_event_stop(handle);
+}

third-party/libuv/src/unix/linux-syscalls.c

@@ -0,0 +1,388 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "linux-syscalls.h"
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <sys/types.h>
+#include <errno.h>
+
+#if defined(__i386__)
+# ifndef __NR_socketcall
+#  define __NR_socketcall 102
+# endif
+#endif
+
+#if defined(__arm__)
+# if defined(__thumb__) || defined(__ARM_EABI__)
+#  define UV_SYSCALL_BASE 0
+# else
+#  define UV_SYSCALL_BASE 0x900000
+# endif
+#endif /* __arm__ */
+
+#ifndef __NR_accept4
+# if defined(__x86_64__)
+#  define __NR_accept4 288
+# elif defined(__i386__)
+   /* Nothing. Handled through socketcall(). */
+# elif defined(__arm__)
+#  define __NR_accept4 (UV_SYSCALL_BASE + 366)
+# endif
+#endif /* __NR_accept4 */
+
+#ifndef __NR_eventfd
+# if defined(__x86_64__)
+#  define __NR_eventfd 284
+# elif defined(__i386__)
+#  define __NR_eventfd 323
+# elif defined(__arm__)
+#  define __NR_eventfd (UV_SYSCALL_BASE + 351)
+# endif
+#endif /* __NR_eventfd */
+
+#ifndef __NR_eventfd2
+# if defined(__x86_64__)
+#  define __NR_eventfd2 290
+# elif defined(__i386__)
+#  define __NR_eventfd2 328
+# elif defined(__arm__)
+#  define __NR_eventfd2 (UV_SYSCALL_BASE + 356)
+# endif
+#endif /* __NR_eventfd2 */
+
+#ifndef __NR_epoll_create
+# if defined(__x86_64__)
+#  define __NR_epoll_create 213
+# elif defined(__i386__)
+#  define __NR_epoll_create 254
+# elif defined(__arm__)
+#  define __NR_epoll_create (UV_SYSCALL_BASE + 250)
+# endif
+#endif /* __NR_epoll_create */
+
+#ifndef __NR_epoll_create1
+# if defined(__x86_64__)
+#  define __NR_epoll_create1 291
+# elif defined(__i386__)
+#  define __NR_epoll_create1 329
+# elif defined(__arm__)
+#  define __NR_epoll_create1 (UV_SYSCALL_BASE + 357)
+# endif
+#endif /* __NR_epoll_create1 */
+
+#ifndef __NR_epoll_ctl
+# if defined(__x86_64__)
+#  define __NR_epoll_ctl 233 /* used to be 214 */
+# elif defined(__i386__)
+#  define __NR_epoll_ctl 255
+# elif defined(__arm__)
+#  define __NR_epoll_ctl (UV_SYSCALL_BASE + 251)
+# endif
+#endif /* __NR_epoll_ctl */
+
+#ifndef __NR_epoll_wait
+# if defined(__x86_64__)
+#  define __NR_epoll_wait 232 /* used to be 215 */
+# elif defined(__i386__)
+#  define __NR_epoll_wait 256
+# elif defined(__arm__)
+#  define __NR_epoll_wait (UV_SYSCALL_BASE + 252)
+# endif
+#endif /* __NR_epoll_wait */
+
+#ifndef __NR_epoll_pwait
+# if defined(__x86_64__)
+#  define __NR_epoll_pwait 281
+# elif defined(__i386__)
+#  define __NR_epoll_pwait 319
+# elif defined(__arm__)
+#  define __NR_epoll_pwait (UV_SYSCALL_BASE + 346)
+# endif
+#endif /* __NR_epoll_pwait */
+
+#ifndef __NR_inotify_init
+# if defined(__x86_64__)
+#  define __NR_inotify_init 253
+# elif defined(__i386__)
+#  define __NR_inotify_init 291
+# elif defined(__arm__)
+#  define __NR_inotify_init (UV_SYSCALL_BASE + 316)
+# endif
+#endif /* __NR_inotify_init */
+
+#ifndef __NR_inotify_init1
+# if defined(__x86_64__)
+#  define __NR_inotify_init1 294
+# elif defined(__i386__)
+#  define __NR_inotify_init1 332
+# elif defined(__arm__)
+#  define __NR_inotify_init1 (UV_SYSCALL_BASE + 360)
+# endif
+#endif /* __NR_inotify_init1 */
+
+#ifndef __NR_inotify_add_watch
+# if defined(__x86_64__)
+#  define __NR_inotify_add_watch 254
+# elif defined(__i386__)
+#  define __NR_inotify_add_watch 292
+# elif defined(__arm__)
+#  define __NR_inotify_add_watch (UV_SYSCALL_BASE + 317)
+# endif
+#endif /* __NR_inotify_add_watch */
+
+#ifndef __NR_inotify_rm_watch
+# if defined(__x86_64__)
+#  define __NR_inotify_rm_watch 255
+# elif defined(__i386__)
+#  define __NR_inotify_rm_watch 293
+# elif defined(__arm__)
+#  define __NR_inotify_rm_watch (UV_SYSCALL_BASE + 318)
+# endif
+#endif /* __NR_inotify_rm_watch */
+
+#ifndef __NR_pipe2
+# if defined(__x86_64__)
+#  define __NR_pipe2 293
+# elif defined(__i386__)
+#  define __NR_pipe2 331
+# elif defined(__arm__)
+#  define __NR_pipe2 (UV_SYSCALL_BASE + 359)
+# endif
+#endif /* __NR_pipe2 */
+
+#ifndef __NR_recvmmsg
+# if defined(__x86_64__)
+#  define __NR_recvmmsg 299
+# elif defined(__i386__)
+#  define __NR_recvmmsg 337
+# elif defined(__arm__)
+#  define __NR_recvmmsg (UV_SYSCALL_BASE + 365)
+# endif
+#endif /* __NR_recvmsg */
+
+#ifndef __NR_sendmmsg
+# if defined(__x86_64__)
+#  define __NR_sendmmsg 307
+# elif defined(__i386__)
+#  define __NR_sendmmsg 345
+# elif defined(__arm__)
+#  define __NR_sendmmsg (UV_SYSCALL_BASE + 374)
+# endif
+#endif /* __NR_sendmmsg */
+
+#ifndef __NR_utimensat
+# if defined(__x86_64__)
+#  define __NR_utimensat 280
+# elif defined(__i386__)
+#  define __NR_utimensat 320
+# elif defined(__arm__)
+#  define __NR_utimensat (UV_SYSCALL_BASE + 348)
+# endif
+#endif /* __NR_utimensat */
+
+
+int uv__accept4(int fd, struct sockaddr* addr, socklen_t* addrlen, int flags) {
+#if defined(__i386__)
+  unsigned long args[4];
+  int r;
+
+  args[0] = (unsigned long) fd;
+  args[1] = (unsigned long) addr;
+  args[2] = (unsigned long) addrlen;
+  args[3] = (unsigned long) flags;
+
+  r = syscall(__NR_socketcall, 18 /* SYS_ACCEPT4 */, args);
+
+  /* socketcall() raises EINVAL when SYS_ACCEPT4 is not supported but so does
+   * a bad flags argument. Try to distinguish between the two cases.
+   */
+  if (r == -1)
+    if (errno == EINVAL)
+      if ((flags & ~(UV__SOCK_CLOEXEC|UV__SOCK_NONBLOCK)) == 0)
+        errno = ENOSYS;
+
+  return r;
+#elif defined(__NR_accept4)
+  return syscall(__NR_accept4, fd, addr, addrlen, flags);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__eventfd(unsigned int count) {
+#if defined(__NR_eventfd)
+  return syscall(__NR_eventfd, count);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__eventfd2(unsigned int count, int flags) {
+#if defined(__NR_eventfd2)
+  return syscall(__NR_eventfd2, count, flags);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__epoll_create(int size) {
+#if defined(__NR_epoll_create)
+  return syscall(__NR_epoll_create, size);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__epoll_create1(int flags) {
+#if defined(__NR_epoll_create1)
+  return syscall(__NR_epoll_create1, flags);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__epoll_ctl(int epfd, int op, int fd, struct uv__epoll_event* events) {
+#if defined(__NR_epoll_ctl)
+  return syscall(__NR_epoll_ctl, epfd, op, fd, events);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__epoll_wait(int epfd,
+                   struct uv__epoll_event* events,
+                   int nevents,
+                   int timeout) {
+#if defined(__NR_epoll_wait)
+  return syscall(__NR_epoll_wait, epfd, events, nevents, timeout);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__epoll_pwait(int epfd,
+                    struct uv__epoll_event* events,
+                    int nevents,
+                    int timeout,
+                    const sigset_t* sigmask) {
+#if defined(__NR_epoll_pwait)
+  return syscall(__NR_epoll_pwait,
+                 epfd,
+                 events,
+                 nevents,
+                 timeout,
+                 sigmask,
+                 sizeof(*sigmask));
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__inotify_init(void) {
+#if defined(__NR_inotify_init)
+  return syscall(__NR_inotify_init);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__inotify_init1(int flags) {
+#if defined(__NR_inotify_init1)
+  return syscall(__NR_inotify_init1, flags);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__inotify_add_watch(int fd, const char* path, uint32_t mask) {
+#if defined(__NR_inotify_add_watch)
+  return syscall(__NR_inotify_add_watch, fd, path, mask);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__inotify_rm_watch(int fd, int32_t wd) {
+#if defined(__NR_inotify_rm_watch)
+  return syscall(__NR_inotify_rm_watch, fd, wd);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__pipe2(int pipefd[2], int flags) {
+#if defined(__NR_pipe2)
+  return syscall(__NR_pipe2, pipefd, flags);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__sendmmsg(int fd,
+                 struct uv__mmsghdr* mmsg,
+                 unsigned int vlen,
+                 unsigned int flags) {
+#if defined(__NR_sendmmsg)
+  return syscall(__NR_sendmmsg, fd, mmsg, vlen, flags);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__recvmmsg(int fd,
+                 struct uv__mmsghdr* mmsg,
+                 unsigned int vlen,
+                 unsigned int flags,
+                 struct timespec* timeout) {
+#if defined(__NR_recvmmsg)
+  return syscall(__NR_recvmmsg, fd, mmsg, vlen, flags, timeout);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}
+
+
+int uv__utimesat(int dirfd,
+                 const char* path,
+                 const struct timespec times[2],
+                 int flags)
+{
+#if defined(__NR_utimensat)
+  return syscall(__NR_utimensat, dirfd, path, times, flags);
+#else
+  return errno = ENOSYS, -1;
+#endif
+}

third-party/libuv/src/unix/linux-syscalls.h

@@ -0,0 +1,151 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef UV_LINUX_SYSCALL_H_
+#define UV_LINUX_SYSCALL_H_
+
+#undef  _GNU_SOURCE
+#define _GNU_SOURCE
+
+#include <stdint.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/socket.h>
+
+#if defined(__alpha__)
+# define UV__O_CLOEXEC        0x200000
+#elif defined(__hppa__)
+# define UV__O_CLOEXEC        0x200000
+#elif defined(__sparc__)
+# define UV__O_CLOEXEC        0x400000
+#else
+# define UV__O_CLOEXEC        0x80000
+#endif
+
+#if defined(__alpha__)
+# define UV__O_NONBLOCK       0x4
+#elif defined(__hppa__)
+# define UV__O_NONBLOCK       0x10004
+#elif defined(__mips__)
+# define UV__O_NONBLOCK       0x80
+#elif defined(__sparc__)
+# define UV__O_NONBLOCK       0x4000
+#else
+# define UV__O_NONBLOCK       0x800
+#endif
+
+#define UV__EFD_CLOEXEC       UV__O_CLOEXEC
+#define UV__EFD_NONBLOCK      UV__O_NONBLOCK
+
+#define UV__IN_CLOEXEC        UV__O_CLOEXEC
+#define UV__IN_NONBLOCK       UV__O_NONBLOCK
+
+#define UV__SOCK_CLOEXEC      UV__O_CLOEXEC
+#define UV__SOCK_NONBLOCK     UV__O_NONBLOCK
+
+/* epoll flags */
+#define UV__EPOLL_CLOEXEC     UV__O_CLOEXEC
+#define UV__EPOLL_CTL_ADD     1
+#define UV__EPOLL_CTL_DEL     2
+#define UV__EPOLL_CTL_MOD     3
+
+#define UV__EPOLLIN           1
+#define UV__EPOLLOUT          4
+#define UV__EPOLLERR          8
+#define UV__EPOLLHUP          16
+#define UV__EPOLLONESHOT      0x40000000
+#define UV__EPOLLET           0x80000000
+
+/* inotify flags */
+#define UV__IN_ACCESS         0x001
+#define UV__IN_MODIFY         0x002
+#define UV__IN_ATTRIB         0x004
+#define UV__IN_CLOSE_WRITE    0x008
+#define UV__IN_CLOSE_NOWRITE  0x010
+#define UV__IN_OPEN           0x020
+#define UV__IN_MOVED_FROM     0x040
+#define UV__IN_MOVED_TO       0x080
+#define UV__IN_CREATE         0x100
+#define UV__IN_DELETE         0x200
+#define UV__IN_DELETE_SELF    0x400
+#define UV__IN_MOVE_SELF      0x800
+
+#if defined(__x86_64__)
+struct uv__epoll_event {
+  uint32_t events;
+  uint64_t data;
+} __attribute__((packed));
+#else
+struct uv__epoll_event {
+  uint32_t events;
+  uint64_t data;
+};
+#endif
+
+struct uv__inotify_event {
+  int32_t wd;
+  uint32_t mask;
+  uint32_t cookie;
+  uint32_t len;
+  /* char name[0]; */
+};
+
+struct uv__mmsghdr {
+  struct msghdr msg_hdr;
+  unsigned int msg_len;
+};
+
+int uv__accept4(int fd, struct sockaddr* addr, socklen_t* addrlen, int flags);
+int uv__eventfd(unsigned int count);
+int uv__epoll_create(int size);
+int uv__epoll_create1(int flags);
+int uv__epoll_ctl(int epfd, int op, int fd, struct uv__epoll_event *ev);
+int uv__epoll_wait(int epfd,
+                   struct uv__epoll_event* events,
+                   int nevents,
+                   int timeout);
+int uv__epoll_pwait(int epfd,
+                    struct uv__epoll_event* events,
+                    int nevents,
+                    int timeout,
+                    const sigset_t* sigmask);
+int uv__eventfd2(unsigned int count, int flags);
+int uv__inotify_init(void);
+int uv__inotify_init1(int flags);
+int uv__inotify_add_watch(int fd, const char* path, uint32_t mask);
+int uv__inotify_rm_watch(int fd, int32_t wd);
+int uv__pipe2(int pipefd[2], int flags);
+int uv__recvmmsg(int fd,
+                 struct uv__mmsghdr* mmsg,
+                 unsigned int vlen,
+                 unsigned int flags,
+                 struct timespec* timeout);
+int uv__sendmmsg(int fd,
+                 struct uv__mmsghdr* mmsg,
+                 unsigned int vlen,
+                 unsigned int flags);
+int uv__utimesat(int dirfd,
+                 const char* path,
+                 const struct timespec times[2],
+                 int flags);
+
+#endif /* UV_LINUX_SYSCALL_H_ */

third-party/libuv/src/unix/loop-watcher.c

@@ -0,0 +1,63 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#define UV_LOOP_WATCHER_DEFINE(name, type)                                    \
+  int uv_##name##_init(uv_loop_t* loop, uv_##name##_t* handle) {              \
+    uv__handle_init(loop, (uv_handle_t*)handle, UV_##type);                   \
+    handle->name##_cb = NULL;                                                 \
+    return 0;                                                                 \
+  }                                                                           \
+                                                                              \
+  int uv_##name##_start(uv_##name##_t* handle, uv_##name##_cb cb) {           \
+    if (uv__is_active(handle)) return 0;                                      \
+    if (cb == NULL) return -EINVAL;                                           \
+    QUEUE_INSERT_HEAD(&handle->loop->name##_handles, &handle->queue);         \
+    handle->name##_cb = cb;                                                   \
+    uv__handle_start(handle);                                                 \
+    return 0;                                                                 \
+  }                                                                           \
+                                                                              \
+  int uv_##name##_stop(uv_##name##_t* handle) {                               \
+    if (!uv__is_active(handle)) return 0;                                     \
+    QUEUE_REMOVE(&handle->queue);                                             \
+    uv__handle_stop(handle);                                                  \
+    return 0;                                                                 \
+  }                                                                           \
+                                                                              \
+  void uv__run_##name(uv_loop_t* loop) {                                      \
+    uv_##name##_t* h;                                                         \
+    QUEUE* q;                                                                 \
+    QUEUE_FOREACH(q, &loop->name##_handles) {                                 \
+      h = QUEUE_DATA(q, uv_##name##_t, queue);                                \
+      h->name##_cb(h, 0);                                                     \
+    }                                                                         \
+  }                                                                           \
+                                                                              \
+  void uv__##name##_close(uv_##name##_t* handle) {                            \
+    uv_##name##_stop(handle);                                                 \
+  }
+
+UV_LOOP_WATCHER_DEFINE(prepare, PREPARE)
+UV_LOOP_WATCHER_DEFINE(check, CHECK)
+UV_LOOP_WATCHER_DEFINE(idle, IDLE)

third-party/libuv/src/unix/loop.c

@@ -0,0 +1,163 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "tree.h"
+#include "internal.h"
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static int uv__loop_init(uv_loop_t* loop, int default_loop);
+static void uv__loop_delete(uv_loop_t* loop);
+
+static uv_loop_t default_loop_struct;
+static uv_loop_t* default_loop_ptr;
+
+
+uv_loop_t* uv_default_loop(void) {
+  if (default_loop_ptr != NULL)
+    return default_loop_ptr;
+
+  if (uv__loop_init(&default_loop_struct, /* default_loop? */ 1))
+    return NULL;
+
+  default_loop_ptr = &default_loop_struct;
+  return default_loop_ptr;
+}
+
+
+uv_loop_t* uv_loop_new(void) {
+  uv_loop_t* loop;
+
+  loop = malloc(sizeof(*loop));
+  if (loop == NULL)
+    return NULL;
+
+  if (uv__loop_init(loop, /* default_loop? */ 0)) {
+    free(loop);
+    return NULL;
+  }
+
+  return loop;
+}
+
+
+void uv_loop_delete(uv_loop_t* loop) {
+  uv__loop_delete(loop);
+#ifndef NDEBUG
+  memset(loop, -1, sizeof(*loop));
+#endif
+  if (loop == default_loop_ptr)
+    default_loop_ptr = NULL;
+  else
+    free(loop);
+}
+
+
+static int uv__loop_init(uv_loop_t* loop, int default_loop) {
+  unsigned int i;
+  int err;
+
+  uv__signal_global_once_init();
+
+  memset(loop, 0, sizeof(*loop));
+  RB_INIT(&loop->timer_handles);
+  QUEUE_INIT(&loop->wq);
+  QUEUE_INIT(&loop->active_reqs);
+  QUEUE_INIT(&loop->idle_handles);
+  QUEUE_INIT(&loop->async_handles);
+  QUEUE_INIT(&loop->check_handles);
+  QUEUE_INIT(&loop->prepare_handles);
+  QUEUE_INIT(&loop->handle_queue);
+
+  loop->nfds = 0;
+  loop->watchers = NULL;
+  loop->nwatchers = 0;
+  QUEUE_INIT(&loop->pending_queue);
+  QUEUE_INIT(&loop->watcher_queue);
+
+  loop->closing_handles = NULL;
+  uv__update_time(loop);
+  uv__async_init(&loop->async_watcher);
+  loop->signal_pipefd[0] = -1;
+  loop->signal_pipefd[1] = -1;
+  loop->backend_fd = -1;
+  loop->emfile_fd = -1;
+
+  loop->timer_counter = 0;
+  loop->stop_flag = 0;
+
+  err = uv__platform_loop_init(loop, default_loop);
+  if (err)
+    return err;
+
+  uv_signal_init(loop, &loop->child_watcher);
+  uv__handle_unref(&loop->child_watcher);
+  loop->child_watcher.flags |= UV__HANDLE_INTERNAL;
+
+  for (i = 0; i < ARRAY_SIZE(loop->process_handles); i++)
+    QUEUE_INIT(loop->process_handles + i);
+
+  if (uv_mutex_init(&loop->wq_mutex))
+    abort();
+
+  if (uv_async_init(loop, &loop->wq_async, uv__work_done))
+    abort();
+
+  uv__handle_unref(&loop->wq_async);
+  loop->wq_async.flags |= UV__HANDLE_INTERNAL;
+
+  return 0;
+}
+
+
+static void uv__loop_delete(uv_loop_t* loop) {
+  uv__signal_loop_cleanup(loop);
+  uv__platform_loop_delete(loop);
+  uv__async_stop(loop, &loop->async_watcher);
+
+  if (loop->emfile_fd != -1) {
+    uv__close(loop->emfile_fd);
+    loop->emfile_fd = -1;
+  }
+
+  if (loop->backend_fd != -1) {
+    uv__close(loop->backend_fd);
+    loop->backend_fd = -1;
+  }
+
+  uv_mutex_lock(&loop->wq_mutex);
+  assert(QUEUE_EMPTY(&loop->wq) && "thread pool work queue not empty!");
+  assert(!uv__has_active_reqs(loop));
+  uv_mutex_unlock(&loop->wq_mutex);
+  uv_mutex_destroy(&loop->wq_mutex);
+
+#if 0
+  assert(QUEUE_EMPTY(&loop->pending_queue));
+  assert(QUEUE_EMPTY(&loop->watcher_queue));
+  assert(loop->nfds == 0);
+#endif
+
+  free(loop->watchers);
+  loop->watchers = NULL;
+  loop->nwatchers = 0;
+}

third-party/libuv/src/unix/netbsd.c

@@ -0,0 +1,367 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <assert.h>
+#include <string.h>
+#include <errno.h>
+
+#include <kvm.h>
+#include <paths.h>
+#include <ifaddrs.h>
+#include <unistd.h>
+#include <time.h>
+#include <stdlib.h>
+#include <fcntl.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <sys/resource.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
+
+#include <unistd.h>
+#include <time.h>
+
+#undef NANOSEC
+#define NANOSEC ((uint64_t) 1e9)
+
+static char *process_title;
+
+
+int uv__platform_loop_init(uv_loop_t* loop, int default_loop) {
+  return uv__kqueue_init(loop);
+}
+
+
+void uv__platform_loop_delete(uv_loop_t* loop) {
+}
+
+
+uint64_t uv__hrtime(uv_clocktype_t type) {
+  struct timespec ts;
+  clock_gettime(CLOCK_MONOTONIC, &ts);
+  return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec);
+}
+
+
+void uv_loadavg(double avg[3]) {
+  struct loadavg info;
+  size_t size = sizeof(info);
+  int which[] = {CTL_VM, VM_LOADAVG};
+
+  if (sysctl(which, 2, &info, &size, NULL, 0) == -1) return;
+
+  avg[0] = (double) info.ldavg[0] / info.fscale;
+  avg[1] = (double) info.ldavg[1] / info.fscale;
+  avg[2] = (double) info.ldavg[2] / info.fscale;
+}
+
+
+int uv_exepath(char* buffer, size_t* size) {
+  int mib[4];
+  size_t cb;
+  pid_t mypid;
+
+  if (buffer == NULL || size == NULL)
+    return -EINVAL;
+
+  mypid = getpid();
+  mib[0] = CTL_KERN;
+  mib[1] = KERN_PROC_ARGS;
+  mib[2] = mypid;
+  mib[3] = KERN_PROC_ARGV;
+
+  cb = *size;
+  if (sysctl(mib, 4, buffer, &cb, NULL, 0))
+    return -errno;
+  *size = strlen(buffer);
+
+  return 0;
+}
+
+
+uint64_t uv_get_free_memory(void) {
+  struct uvmexp info;
+  size_t size = sizeof(info);
+  int which[] = {CTL_VM, VM_UVMEXP};
+
+  if (sysctl(which, 2, &info, &size, NULL, 0))
+    return -errno;
+
+  return (uint64_t) info.free * sysconf(_SC_PAGESIZE);
+}
+
+
+uint64_t uv_get_total_memory(void) {
+#if defined(HW_PHYSMEM64)
+  uint64_t info;
+  int which[] = {CTL_HW, HW_PHYSMEM64};
+#else
+  unsigned int info;
+  int which[] = {CTL_HW, HW_PHYSMEM};
+#endif
+  size_t size = sizeof(info);
+
+  if (sysctl(which, 2, &info, &size, NULL, 0))
+    return -errno;
+
+  return (uint64_t) info;
+}
+
+
+char** uv_setup_args(int argc, char** argv) {
+  process_title = argc ? strdup(argv[0]) : NULL;
+  return argv;
+}
+
+
+int uv_set_process_title(const char* title) {
+  if (process_title) free(process_title);
+
+  process_title = strdup(title);
+  setproctitle("%s", title);
+
+  return 0;
+}
+
+
+int uv_get_process_title(char* buffer, size_t size) {
+  if (process_title) {
+    strncpy(buffer, process_title, size);
+  } else {
+    if (size > 0) {
+      buffer[0] = '\0';
+    }
+  }
+
+  return 0;
+}
+
+
+int uv_resident_set_memory(size_t* rss) {
+  kvm_t *kd = NULL;
+  struct kinfo_proc2 *kinfo = NULL;
+  pid_t pid;
+  int nprocs;
+  int max_size = sizeof(struct kinfo_proc2);
+  int page_size;
+
+  page_size = getpagesize();
+  pid = getpid();
+
+  kd = kvm_open(NULL, NULL, NULL, KVM_NO_FILES, "kvm_open");
+
+  if (kd == NULL) goto error;
+
+  kinfo = kvm_getproc2(kd, KERN_PROC_PID, pid, max_size, &nprocs);
+  if (kinfo == NULL) goto error;
+
+  *rss = kinfo->p_vm_rssize * page_size;
+
+  kvm_close(kd);
+
+  return 0;
+
+error:
+  if (kd) kvm_close(kd);
+  return -EPERM;
+}
+
+
+int uv_uptime(double* uptime) {
+  time_t now;
+  struct timeval info;
+  size_t size = sizeof(info);
+  static int which[] = {CTL_KERN, KERN_BOOTTIME};
+
+  if (sysctl(which, 2, &info, &size, NULL, 0))
+    return -errno;
+
+  now = time(NULL);
+
+  *uptime = (double)(now - info.tv_sec);
+  return 0;
+}
+
+
+int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
+  unsigned int ticks = (unsigned int)sysconf(_SC_CLK_TCK);
+  unsigned int multiplier = ((uint64_t)1000L / ticks);
+  unsigned int cur = 0;
+  uv_cpu_info_t* cpu_info;
+  u_int64_t* cp_times;
+  char model[512];
+  u_int64_t cpuspeed;
+  int numcpus;
+  size_t size;
+  int i;
+
+  size = sizeof(model);
+  if (sysctlbyname("machdep.cpu_brand", &model, &size, NULL, 0) &&
+      sysctlbyname("hw.model", &model, &size, NULL, 0)) {
+    return -errno;
+  }
+
+  size = sizeof(numcpus);
+  if (sysctlbyname("hw.ncpu", &numcpus, &size, NULL, 0))
+    return -errno;
+  *count = numcpus;
+
+  /* Only i386 and amd64 have machdep.tsc_freq */
+  size = sizeof(cpuspeed);
+  if (sysctlbyname("machdep.tsc_freq", &cpuspeed, &size, NULL, 0))
+    cpuspeed = 0;
+
+  size = numcpus * CPUSTATES * sizeof(*cp_times);
+  cp_times = malloc(size);
+  if (cp_times == NULL)
+    return -ENOMEM;
+
+  if (sysctlbyname("kern.cp_time", cp_times, &size, NULL, 0))
+    return -errno;
+
+  *cpu_infos = malloc(numcpus * sizeof(**cpu_infos));
+  if (!(*cpu_infos)) {
+    free(cp_times);
+    free(*cpu_infos);
+    return -ENOMEM;
+  }
+
+  for (i = 0; i < numcpus; i++) {
+    cpu_info = &(*cpu_infos)[i];
+    cpu_info->cpu_times.user = (uint64_t)(cp_times[CP_USER+cur]) * multiplier;
+    cpu_info->cpu_times.nice = (uint64_t)(cp_times[CP_NICE+cur]) * multiplier;
+    cpu_info->cpu_times.sys = (uint64_t)(cp_times[CP_SYS+cur]) * multiplier;
+    cpu_info->cpu_times.idle = (uint64_t)(cp_times[CP_IDLE+cur]) * multiplier;
+    cpu_info->cpu_times.irq = (uint64_t)(cp_times[CP_INTR+cur]) * multiplier;
+    cpu_info->model = strdup(model);
+    cpu_info->speed = (int)(cpuspeed/(uint64_t) 1e6);
+    cur += CPUSTATES;
+  }
+  free(cp_times);
+  return 0;
+}
+
+
+void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    free(cpu_infos[i].model);
+  }
+
+  free(cpu_infos);
+}
+
+
+int uv_interface_addresses(uv_interface_address_t** addresses, int* count) {
+  struct ifaddrs *addrs, *ent;
+  uv_interface_address_t* address;
+  int i;
+  struct sockaddr_dl *sa_addr;
+
+  if (getifaddrs(&addrs))
+    return -errno;
+
+  *count = 0;
+
+  /* Count the number of interfaces */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+        (ent->ifa_addr == NULL) ||
+        (ent->ifa_addr->sa_family != PF_INET)) {
+      continue;
+    }
+    (*count)++;
+  }
+
+  *addresses = malloc(*count * sizeof(**addresses));
+
+  if (!(*addresses))
+    return -ENOMEM;
+
+  address = *addresses;
+
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)))
+      continue;
+
+    if (ent->ifa_addr == NULL)
+      continue;
+
+    if (ent->ifa_addr->sa_family != PF_INET)
+      continue;
+
+    address->name = strdup(ent->ifa_name);
+
+    if (ent->ifa_addr->sa_family == AF_INET6) {
+      address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr);
+    } else {
+      address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr);
+    }
+
+    if (ent->ifa_netmask->sa_family == AF_INET6) {
+      address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask);
+    } else {
+      address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask);
+    }
+
+    address->is_internal = !!(ent->ifa_flags & IFF_LOOPBACK);
+
+    address++;
+  }
+
+  /* Fill in physical addresses for each interface */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+        (ent->ifa_addr == NULL) ||
+        (ent->ifa_addr->sa_family != AF_LINK)) {
+      continue;
+    }
+
+    address = *addresses;
+
+    for (i = 0; i < (*count); i++) {
+      if (strcmp(address->name, ent->ifa_name) == 0) {
+        sa_addr = (struct sockaddr_dl*)(ent->ifa_addr);
+        memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr));
+      }
+      address++;
+    }
+  }
+
+  freeifaddrs(addrs);
+
+  return 0;
+}
+
+
+void uv_free_interface_addresses(uv_interface_address_t* addresses, int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    free(addresses[i].name);
+  }
+
+  free(addresses);
+}

third-party/libuv/src/unix/openbsd.c

@@ -0,0 +1,388 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/resource.h>
+#include <sys/sched.h>
+#include <sys/time.h>
+#include <sys/sysctl.h>
+
+#include <ifaddrs.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <kvm.h>
+#include <paths.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#undef NANOSEC
+#define NANOSEC ((uint64_t) 1e9)
+
+
+static char *process_title;
+
+
+int uv__platform_loop_init(uv_loop_t* loop, int default_loop) {
+  return uv__kqueue_init(loop);
+}
+
+
+void uv__platform_loop_delete(uv_loop_t* loop) {
+}
+
+
+uint64_t uv__hrtime(uv_clocktype_t type) {
+  struct timespec ts;
+  clock_gettime(CLOCK_MONOTONIC, &ts);
+  return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec);
+}
+
+
+void uv_loadavg(double avg[3]) {
+  struct loadavg info;
+  size_t size = sizeof(info);
+  int which[] = {CTL_VM, VM_LOADAVG};
+
+  if (sysctl(which, 2, &info, &size, NULL, 0) < 0) return;
+
+  avg[0] = (double) info.ldavg[0] / info.fscale;
+  avg[1] = (double) info.ldavg[1] / info.fscale;
+  avg[2] = (double) info.ldavg[2] / info.fscale;
+}
+
+
+int uv_exepath(char* buffer, size_t* size) {
+  int mib[4];
+  char **argsbuf = NULL;
+  char **argsbuf_tmp;
+  size_t argsbuf_size = 100U;
+  size_t exepath_size;
+  pid_t mypid;
+  int err;
+
+  if (buffer == NULL || size == NULL)
+    return -EINVAL;
+
+  mypid = getpid();
+  for (;;) {
+    err = -ENOMEM;
+    argsbuf_tmp = realloc(argsbuf, argsbuf_size);
+    if (argsbuf_tmp == NULL)
+      goto out;
+    argsbuf = argsbuf_tmp;
+    mib[0] = CTL_KERN;
+    mib[1] = KERN_PROC_ARGS;
+    mib[2] = mypid;
+    mib[3] = KERN_PROC_ARGV;
+    if (sysctl(mib, 4, argsbuf, &argsbuf_size, NULL, 0) == 0) {
+      break;
+    }
+    if (errno != ENOMEM) {
+      err = -errno;
+      goto out;
+    }
+    argsbuf_size *= 2U;
+  }
+  if (argsbuf[0] == NULL) {
+    err = -EINVAL;  /* FIXME(bnoordhuis) More appropriate error. */
+    goto out;
+  }
+  exepath_size = strlen(argsbuf[0]);
+  if (exepath_size >= *size) {
+    err = -EINVAL;
+    goto out;
+  }
+  memcpy(buffer, argsbuf[0], exepath_size + 1U);
+  *size = exepath_size;
+  err = 0;
+
+out:
+  free(argsbuf);
+
+  return err;
+}
+
+
+uint64_t uv_get_free_memory(void) {
+  struct uvmexp info;
+  size_t size = sizeof(info);
+  int which[] = {CTL_VM, VM_UVMEXP};
+
+  if (sysctl(which, 2, &info, &size, NULL, 0))
+    return -errno;
+
+  return (uint64_t) info.free * sysconf(_SC_PAGESIZE);
+}
+
+
+uint64_t uv_get_total_memory(void) {
+  uint64_t info;
+  int which[] = {CTL_HW, HW_PHYSMEM64};
+  size_t size = sizeof(info);
+
+  if (sysctl(which, 2, &info, &size, NULL, 0))
+    return -errno;
+
+  return (uint64_t) info;
+}
+
+
+char** uv_setup_args(int argc, char** argv) {
+  process_title = argc ? strdup(argv[0]) : NULL;
+  return argv;
+}
+
+
+int uv_set_process_title(const char* title) {
+  if (process_title) free(process_title);
+  process_title = strdup(title);
+  setproctitle(title);
+  return 0;
+}
+
+
+int uv_get_process_title(char* buffer, size_t size) {
+  if (process_title) {
+    strncpy(buffer, process_title, size);
+  } else {
+    if (size > 0) {
+      buffer[0] = '\0';
+    }
+  }
+
+  return 0;
+}
+
+
+int uv_resident_set_memory(size_t* rss) {
+  kvm_t *kd = NULL;
+  struct kinfo_proc *kinfo = NULL;
+  pid_t pid;
+  int nprocs, max_size = sizeof(struct kinfo_proc);
+  size_t page_size = getpagesize();
+
+  pid = getpid();
+
+  kd = kvm_open(NULL, _PATH_MEM, NULL, O_RDONLY, "kvm_open");
+  if (kd == NULL) goto error;
+
+  kinfo = kvm_getprocs(kd, KERN_PROC_PID, pid, max_size, &nprocs);
+  if (kinfo == NULL) goto error;
+
+  *rss = kinfo->p_vm_rssize * page_size;
+
+  kvm_close(kd);
+
+  return 0;
+
+error:
+  if (kd) kvm_close(kd);
+  return -EPERM;
+}
+
+
+int uv_uptime(double* uptime) {
+  time_t now;
+  struct timeval info;
+  size_t size = sizeof(info);
+  static int which[] = {CTL_KERN, KERN_BOOTTIME};
+
+  if (sysctl(which, 2, &info, &size, NULL, 0))
+    return -errno;
+
+  now = time(NULL);
+
+  *uptime = (double)(now - info.tv_sec);
+  return 0;
+}
+
+
+int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
+  unsigned int ticks = (unsigned int)sysconf(_SC_CLK_TCK),
+               multiplier = ((uint64_t)1000L / ticks), cpuspeed;
+  uint64_t info[CPUSTATES];
+  char model[512];
+  int numcpus = 1;
+  int which[] = {CTL_HW,HW_MODEL,0};
+  size_t size;
+  int i;
+  uv_cpu_info_t* cpu_info;
+
+  size = sizeof(model);
+  if (sysctl(which, 2, &model, &size, NULL, 0))
+    return -errno;
+
+  which[1] = HW_NCPU;
+  size = sizeof(numcpus);
+  if (sysctl(which, 2, &numcpus, &size, NULL, 0))
+    return -errno;
+
+  *cpu_infos = malloc(numcpus * sizeof(**cpu_infos));
+  if (!(*cpu_infos))
+    return -ENOMEM;
+
+  *count = numcpus;
+
+  which[1] = HW_CPUSPEED;
+  size = sizeof(cpuspeed);
+  if (sysctl(which, 2, &cpuspeed, &size, NULL, 0)) {
+    SAVE_ERRNO(free(*cpu_infos));
+    return -errno;
+  }
+
+  size = sizeof(info);
+  which[0] = CTL_KERN;
+  which[1] = KERN_CPTIME2;
+  for (i = 0; i < numcpus; i++) {
+    which[2] = i;
+    size = sizeof(info);
+    if (sysctl(which, 3, &info, &size, NULL, 0)) {
+      SAVE_ERRNO(free(*cpu_infos));
+      return -errno;
+    }
+
+    cpu_info = &(*cpu_infos)[i];
+    
+    cpu_info->cpu_times.user = (uint64_t)(info[CP_USER]) * multiplier;
+    cpu_info->cpu_times.nice = (uint64_t)(info[CP_NICE]) * multiplier;
+    cpu_info->cpu_times.sys = (uint64_t)(info[CP_SYS]) * multiplier;
+    cpu_info->cpu_times.idle = (uint64_t)(info[CP_IDLE]) * multiplier;
+    cpu_info->cpu_times.irq = (uint64_t)(info[CP_INTR]) * multiplier;
+
+    cpu_info->model = strdup(model);
+    cpu_info->speed = cpuspeed;
+  }
+
+  return 0;
+}
+
+
+void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    free(cpu_infos[i].model);
+  }
+
+  free(cpu_infos);
+}
+
+
+int uv_interface_addresses(uv_interface_address_t** addresses,
+  int* count) {
+  struct ifaddrs *addrs, *ent;
+  uv_interface_address_t* address;
+  int i;
+  struct sockaddr_dl *sa_addr;
+
+  if (getifaddrs(&addrs) != 0)
+    return -errno;
+
+   *count = 0;
+
+  /* Count the number of interfaces */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+        (ent->ifa_addr == NULL) ||
+        (ent->ifa_addr->sa_family != PF_INET)) {
+      continue;
+    }
+    (*count)++;
+  }
+
+  *addresses = malloc(*count * sizeof(**addresses));
+
+  if (!(*addresses))
+    return -ENOMEM;
+
+  address = *addresses;
+
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)))
+      continue;
+
+    if (ent->ifa_addr == NULL)
+      continue;
+
+    if (ent->ifa_addr->sa_family != PF_INET)
+      continue;
+
+    address->name = strdup(ent->ifa_name);
+
+    if (ent->ifa_addr->sa_family == AF_INET6) {
+      address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr);
+    } else {
+      address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr);
+    }
+
+    if (ent->ifa_netmask->sa_family == AF_INET6) {
+      address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask);
+    } else {
+      address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask);
+    }
+
+    address->is_internal = !!(ent->ifa_flags & IFF_LOOPBACK);
+
+    address++;
+  }
+
+  /* Fill in physical addresses for each interface */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+        (ent->ifa_addr == NULL) ||
+        (ent->ifa_addr->sa_family != AF_LINK)) {
+      continue;
+    }
+
+    address = *addresses;
+
+    for (i = 0; i < (*count); i++) {
+      if (strcmp(address->name, ent->ifa_name) == 0) {
+        sa_addr = (struct sockaddr_dl*)(ent->ifa_addr);
+        memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr));
+      }
+      address++;
+    }
+  }
+
+  freeifaddrs(addrs);
+
+  return 0;
+}
+
+
+void uv_free_interface_addresses(uv_interface_address_t* addresses,
+  int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    free(addresses[i].name);
+  }
+
+  free(addresses);
+}

third-party/libuv/src/unix/pipe.c

@@ -0,0 +1,216 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/un.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+
+int uv_pipe_init(uv_loop_t* loop, uv_pipe_t* handle, int ipc) {
+  uv__stream_init(loop, (uv_stream_t*)handle, UV_NAMED_PIPE);
+  handle->shutdown_req = NULL;
+  handle->connect_req = NULL;
+  handle->pipe_fname = NULL;
+  handle->ipc = ipc;
+  return 0;
+}
+
+
+int uv_pipe_bind(uv_pipe_t* handle, const char* name) {
+  struct sockaddr_un saddr;
+  const char* pipe_fname;
+  int sockfd;
+  int bound;
+  int err;
+
+  pipe_fname = NULL;
+  sockfd = -1;
+  bound = 0;
+  err = -EINVAL;
+
+  /* Already bound? */
+  if (uv__stream_fd(handle) >= 0)
+    return -EINVAL;
+
+  /* Make a copy of the file name, it outlives this function's scope. */
+  pipe_fname = strdup(name);
+  if (pipe_fname == NULL) {
+    err = -ENOMEM;
+    goto out;
+  }
+
+  /* We've got a copy, don't touch the original any more. */
+  name = NULL;
+
+  err = uv__socket(AF_UNIX, SOCK_STREAM, 0);
+  if (err < 0)
+    goto out;
+  sockfd = err;
+
+  memset(&saddr, 0, sizeof saddr);
+  strncpy(saddr.sun_path, pipe_fname, sizeof(saddr.sun_path) - 1);
+  saddr.sun_path[sizeof(saddr.sun_path) - 1] = '\0';
+  saddr.sun_family = AF_UNIX;
+
+  if (bind(sockfd, (struct sockaddr*)&saddr, sizeof saddr)) {
+    err = -errno;
+    /* Convert ENOENT to EACCES for compatibility with Windows. */
+    if (err == -ENOENT)
+      err = -EACCES;
+    goto out;
+  }
+  bound = 1;
+
+  /* Success. */
+  handle->pipe_fname = pipe_fname; /* Is a strdup'ed copy. */
+  handle->io_watcher.fd = sockfd;
+  return 0;
+
+out:
+  if (bound) {
+    /* unlink() before uv__close() to avoid races. */
+    assert(pipe_fname != NULL);
+    unlink(pipe_fname);
+  }
+  uv__close(sockfd);
+  free((void*)pipe_fname);
+  return err;
+}
+
+
+int uv_pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb) {
+  if (uv__stream_fd(handle) == -1)
+    return -EINVAL;
+
+  if (listen(uv__stream_fd(handle), backlog))
+    return -errno;
+
+  handle->connection_cb = cb;
+  handle->io_watcher.cb = uv__server_io;
+  uv__io_start(handle->loop, &handle->io_watcher, UV__POLLIN);
+  return 0;
+}
+
+
+void uv__pipe_close(uv_pipe_t* handle) {
+  if (handle->pipe_fname) {
+    /*
+     * Unlink the file system entity before closing the file descriptor.
+     * Doing it the other way around introduces a race where our process
+     * unlinks a socket with the same name that's just been created by
+     * another thread or process.
+     */
+    unlink(handle->pipe_fname);
+    free((void*)handle->pipe_fname);
+    handle->pipe_fname = NULL;
+  }
+
+  uv__stream_close((uv_stream_t*)handle);
+}
+
+
+int uv_pipe_open(uv_pipe_t* handle, uv_file fd) {
+#if defined(__APPLE__)
+  int err;
+
+  err = uv__stream_try_select((uv_stream_t*) handle, &fd);
+  if (err)
+    return err;
+#endif /* defined(__APPLE__) */
+
+  return uv__stream_open((uv_stream_t*)handle,
+                         fd,
+                         UV_STREAM_READABLE | UV_STREAM_WRITABLE);
+}
+
+
+void uv_pipe_connect(uv_connect_t* req,
+                    uv_pipe_t* handle,
+                    const char* name,
+                    uv_connect_cb cb) {
+  struct sockaddr_un saddr;
+  int new_sock;
+  int err;
+  int r;
+
+  new_sock = (uv__stream_fd(handle) == -1);
+  err = -EINVAL;
+
+  if (new_sock) {
+    err = uv__socket(AF_UNIX, SOCK_STREAM, 0);
+    if (err < 0)
+      goto out;
+    handle->io_watcher.fd = err;
+  }
+
+  memset(&saddr, 0, sizeof saddr);
+  strncpy(saddr.sun_path, name, sizeof(saddr.sun_path) - 1);
+  saddr.sun_path[sizeof(saddr.sun_path) - 1] = '\0';
+  saddr.sun_family = AF_UNIX;
+
+  do {
+    r = connect(uv__stream_fd(handle),
+                (struct sockaddr*)&saddr, sizeof saddr);
+  }
+  while (r == -1 && errno == EINTR);
+
+  if (r == -1 && errno != EINPROGRESS) {
+    err = -errno;
+    goto out;
+  }
+
+  err = 0;
+  if (new_sock) {
+    err = uv__stream_open((uv_stream_t*)handle,
+                          uv__stream_fd(handle),
+                          UV_STREAM_READABLE | UV_STREAM_WRITABLE);
+  }
+
+  if (err == 0)
+    uv__io_start(handle->loop, &handle->io_watcher, UV__POLLIN | UV__POLLOUT);
+
+out:
+  handle->delayed_error = err;
+  handle->connect_req = req;
+
+  uv__req_init(handle->loop, req, UV_CONNECT);
+  req->handle = (uv_stream_t*)handle;
+  req->cb = cb;
+  QUEUE_INIT(&req->queue);
+
+  /* Force callback to run on next tick in case of error. */
+  if (err)
+    uv__io_feed(handle->loop, &handle->io_watcher);
+
+  /* Mimic the Windows pipe implementation, always
+   * return 0 and let the callback handle errors.
+   */
+}
+
+
+void uv_pipe_pending_instances(uv_pipe_t* handle, int count) {
+}

third-party/libuv/src/unix/poll.c

@@ -0,0 +1,107 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <unistd.h>
+#include <assert.h>
+#include <errno.h>
+
+
+static void uv__poll_io(uv_loop_t* loop, uv__io_t* w, unsigned int events) {
+  uv_poll_t* handle;
+  int pevents;
+
+  handle = container_of(w, uv_poll_t, io_watcher);
+
+  if (events & UV__POLLERR) {
+    uv__io_stop(loop, w, UV__POLLIN | UV__POLLOUT);
+    uv__handle_stop(handle);
+    handle->poll_cb(handle, -EBADF, 0);
+    return;
+  }
+
+  pevents = 0;
+  if (events & UV__POLLIN)
+    pevents |= UV_READABLE;
+  if (events & UV__POLLOUT)
+    pevents |= UV_WRITABLE;
+
+  handle->poll_cb(handle, 0, pevents);
+}
+
+
+int uv_poll_init(uv_loop_t* loop, uv_poll_t* handle, int fd) {
+  uv__handle_init(loop, (uv_handle_t*) handle, UV_POLL);
+  uv__io_init(&handle->io_watcher, uv__poll_io, fd);
+  handle->poll_cb = NULL;
+  return 0;
+}
+
+
+int uv_poll_init_socket(uv_loop_t* loop, uv_poll_t* handle,
+    uv_os_sock_t socket) {
+  return uv_poll_init(loop, handle, socket);
+}
+
+
+static void uv__poll_stop(uv_poll_t* handle) {
+  uv__io_stop(handle->loop, &handle->io_watcher, UV__POLLIN | UV__POLLOUT);
+  uv__handle_stop(handle);
+}
+
+
+int uv_poll_stop(uv_poll_t* handle) {
+  assert(!(handle->flags & (UV_CLOSING | UV_CLOSED)));
+  uv__poll_stop(handle);
+  return 0;
+}
+
+
+int uv_poll_start(uv_poll_t* handle, int pevents, uv_poll_cb poll_cb) {
+  int events;
+
+  assert((pevents & ~(UV_READABLE | UV_WRITABLE)) == 0);
+  assert(!(handle->flags & (UV_CLOSING | UV_CLOSED)));
+
+  uv__poll_stop(handle);
+
+  if (pevents == 0)
+    return 0;
+
+  events = 0;
+  if (pevents & UV_READABLE)
+    events |= UV__POLLIN;
+  if (pevents & UV_WRITABLE)
+    events |= UV__POLLOUT;
+
+  uv__io_start(handle->loop, &handle->io_watcher, events);
+  uv__handle_start(handle);
+  handle->poll_cb = poll_cb;
+
+  return 0;
+}
+
+
+void uv__poll_close(uv_poll_t* handle) {
+  uv__poll_stop(handle);
+}

third-party/libuv/src/unix/process.c

@@ -0,0 +1,517 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <poll.h>
+
+#if defined(__APPLE__) && !TARGET_OS_IPHONE
+# include <crt_externs.h>
+# define environ (*_NSGetEnviron())
+#else
+extern char **environ;
+#endif
+
+
+static QUEUE* uv__process_queue(uv_loop_t* loop, int pid) {
+  assert(pid > 0);
+  return loop->process_handles + pid % ARRAY_SIZE(loop->process_handles);
+}
+
+
+static void uv__chld(uv_signal_t* handle, int signum) {
+  uv_process_t* process;
+  uv_loop_t* loop;
+  int exit_status;
+  int term_signal;
+  unsigned int i;
+  int status;
+  pid_t pid;
+  QUEUE pending;
+  QUEUE* h;
+  QUEUE* q;
+
+  assert(signum == SIGCHLD);
+
+  QUEUE_INIT(&pending);
+  loop = handle->loop;
+
+  for (i = 0; i < ARRAY_SIZE(loop->process_handles); i++) {
+    h = loop->process_handles + i;
+    q = QUEUE_HEAD(h);
+
+    while (q != h) {
+      process = QUEUE_DATA(q, uv_process_t, queue);
+      q = QUEUE_NEXT(q);
+
+      do
+        pid = waitpid(process->pid, &status, WNOHANG);
+      while (pid == -1 && errno == EINTR);
+
+      if (pid == 0)
+        continue;
+
+      if (pid == -1) {
+        if (errno != ECHILD)
+          abort();
+        continue;
+      }
+
+      process->status = status;
+      QUEUE_REMOVE(&process->queue);
+      QUEUE_INSERT_TAIL(&pending, &process->queue);
+    }
+
+    while (!QUEUE_EMPTY(&pending)) {
+      q = QUEUE_HEAD(&pending);
+      QUEUE_REMOVE(q);
+      QUEUE_INIT(q);
+
+      process = QUEUE_DATA(q, uv_process_t, queue);
+      uv__handle_stop(process);
+
+      if (process->exit_cb == NULL)
+        continue;
+
+      exit_status = 0;
+      if (WIFEXITED(process->status))
+        exit_status = WEXITSTATUS(process->status);
+
+      term_signal = 0;
+      if (WIFSIGNALED(process->status))
+        term_signal = WTERMSIG(process->status);
+
+      process->exit_cb(process, exit_status, term_signal);
+    }
+  }
+}
+
+
+int uv__make_socketpair(int fds[2], int flags) {
+#if defined(__linux__)
+  static int no_cloexec;
+
+  if (no_cloexec)
+    goto skip;
+
+  if (socketpair(AF_UNIX, SOCK_STREAM | UV__SOCK_CLOEXEC | flags, 0, fds) == 0)
+    return 0;
+
+  /* Retry on EINVAL, it means SOCK_CLOEXEC is not supported.
+   * Anything else is a genuine error.
+   */
+  if (errno != EINVAL)
+    return -errno;
+
+  no_cloexec = 1;
+
+skip:
+#endif
+
+  if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds))
+    return -errno;
+
+  uv__cloexec(fds[0], 1);
+  uv__cloexec(fds[1], 1);
+
+  if (flags & UV__F_NONBLOCK) {
+    uv__nonblock(fds[0], 1);
+    uv__nonblock(fds[1], 1);
+  }
+
+  return 0;
+}
+
+
+int uv__make_pipe(int fds[2], int flags) {
+#if defined(__linux__)
+  static int no_pipe2;
+
+  if (no_pipe2)
+    goto skip;
+
+  if (uv__pipe2(fds, flags | UV__O_CLOEXEC) == 0)
+    return 0;
+
+  if (errno != ENOSYS)
+    return -errno;
+
+  no_pipe2 = 1;
+
+skip:
+#endif
+
+  if (pipe(fds))
+    return -errno;
+
+  uv__cloexec(fds[0], 1);
+  uv__cloexec(fds[1], 1);
+
+  if (flags & UV__F_NONBLOCK) {
+    uv__nonblock(fds[0], 1);
+    uv__nonblock(fds[1], 1);
+  }
+
+  return 0;
+}
+
+
+/*
+ * Used for initializing stdio streams like options.stdin_stream. Returns
+ * zero on success. See also the cleanup section in uv_spawn().
+ */
+static int uv__process_init_stdio(uv_stdio_container_t* container, int fds[2]) {
+  int mask;
+  int fd;
+
+  mask = UV_IGNORE | UV_CREATE_PIPE | UV_INHERIT_FD | UV_INHERIT_STREAM;
+
+  switch (container->flags & mask) {
+  case UV_IGNORE:
+    return 0;
+
+  case UV_CREATE_PIPE:
+    assert(container->data.stream != NULL);
+    if (container->data.stream->type != UV_NAMED_PIPE)
+      return -EINVAL;
+    else
+      return uv__make_socketpair(fds, 0);
+
+  case UV_INHERIT_FD:
+  case UV_INHERIT_STREAM:
+    if (container->flags & UV_INHERIT_FD)
+      fd = container->data.fd;
+    else
+      fd = uv__stream_fd(container->data.stream);
+
+    if (fd == -1)
+      return -EINVAL;
+
+    fds[1] = fd;
+    return 0;
+
+  default:
+    assert(0 && "Unexpected flags");
+    return -EINVAL;
+  }
+}
+
+
+static int uv__process_open_stream(uv_stdio_container_t* container,
+                                   int pipefds[2],
+                                   int writable) {
+  int flags;
+
+  if (!(container->flags & UV_CREATE_PIPE) || pipefds[0] < 0)
+    return 0;
+
+  if (uv__close(pipefds[1]))
+    if (errno != EINTR && errno != EINPROGRESS)
+      abort();
+
+  pipefds[1] = -1;
+  uv__nonblock(pipefds[0], 1);
+
+  if (container->data.stream->type == UV_NAMED_PIPE &&
+      ((uv_pipe_t*)container->data.stream)->ipc)
+    flags = UV_STREAM_READABLE | UV_STREAM_WRITABLE;
+  else if (writable)
+    flags = UV_STREAM_WRITABLE;
+  else
+    flags = UV_STREAM_READABLE;
+
+  return uv__stream_open(container->data.stream, pipefds[0], flags);
+}
+
+
+static void uv__process_close_stream(uv_stdio_container_t* container) {
+  if (!(container->flags & UV_CREATE_PIPE)) return;
+  uv__stream_close((uv_stream_t*)container->data.stream);
+}
+
+
+static void uv__write_int(int fd, int val) {
+  ssize_t n;
+
+  do
+    n = write(fd, &val, sizeof(val));
+  while (n == -1 && errno == EINTR);
+
+  if (n == -1 && errno == EPIPE)
+    return; /* parent process has quit */
+
+  assert(n == sizeof(val));
+}
+
+
+static void uv__process_child_init(const uv_process_options_t* options,
+                                   int stdio_count,
+                                   int (*pipes)[2],
+                                   int error_fd) {
+  int close_fd;
+  int use_fd;
+  int fd;
+
+  if (options->flags & UV_PROCESS_DETACHED)
+    setsid();
+
+  for (fd = 0; fd < stdio_count; fd++) {
+    close_fd = pipes[fd][0];
+    use_fd = pipes[fd][1];
+
+    if (use_fd < 0) {
+      if (fd >= 3)
+        continue;
+      else {
+        /* redirect stdin, stdout and stderr to /dev/null even if UV_IGNORE is
+         * set
+         */
+        use_fd = open("/dev/null", fd == 0 ? O_RDONLY : O_RDWR);
+        close_fd = use_fd;
+
+        if (use_fd == -1) {
+        uv__write_int(error_fd, -errno);
+          perror("failed to open stdio");
+          _exit(127);
+        }
+      }
+    }
+
+    if (fd == use_fd)
+      uv__cloexec(use_fd, 0);
+    else
+      dup2(use_fd, fd);
+
+    if (fd <= 2)
+      uv__nonblock(fd, 0);
+
+    if (close_fd != -1)
+      uv__close(close_fd);
+  }
+
+  for (fd = 0; fd < stdio_count; fd++) {
+    use_fd = pipes[fd][1];
+
+    if (use_fd >= 0 && fd != use_fd)
+      close(use_fd);
+  }
+
+  if (options->cwd != NULL && chdir(options->cwd)) {
+    uv__write_int(error_fd, -errno);
+    perror("chdir()");
+    _exit(127);
+  }
+
+  if ((options->flags & UV_PROCESS_SETGID) && setgid(options->gid)) {
+    uv__write_int(error_fd, -errno);
+    perror("setgid()");
+    _exit(127);
+  }
+
+  if ((options->flags & UV_PROCESS_SETUID) && setuid(options->uid)) {
+    uv__write_int(error_fd, -errno);
+    perror("setuid()");
+    _exit(127);
+  }
+
+  if (options->env != NULL) {
+    environ = options->env;
+  }
+
+  execvp(options->file, options->args);
+  uv__write_int(error_fd, -errno);
+  perror("execvp()");
+  _exit(127);
+}
+
+
+int uv_spawn(uv_loop_t* loop,
+             uv_process_t* process,
+             const uv_process_options_t* options) {
+  int signal_pipe[2] = { -1, -1 };
+  int (*pipes)[2];
+  int stdio_count;
+  QUEUE* q;
+  ssize_t r;
+  pid_t pid;
+  int err;
+  int exec_errorno;
+  int i;
+
+  assert(options->file != NULL);
+  assert(!(options->flags & ~(UV_PROCESS_DETACHED |
+                              UV_PROCESS_SETGID |
+                              UV_PROCESS_SETUID |
+                              UV_PROCESS_WINDOWS_HIDE |
+                              UV_PROCESS_WINDOWS_VERBATIM_ARGUMENTS)));
+
+  uv__handle_init(loop, (uv_handle_t*)process, UV_PROCESS);
+  QUEUE_INIT(&process->queue);
+
+  stdio_count = options->stdio_count;
+  if (stdio_count < 3)
+    stdio_count = 3;
+
+  err = -ENOMEM;
+  pipes = malloc(stdio_count * sizeof(*pipes));
+  if (pipes == NULL)
+    goto error;
+
+  for (i = 0; i < stdio_count; i++) {
+    pipes[i][0] = -1;
+    pipes[i][1] = -1;
+  }
+
+  for (i = 0; i < options->stdio_count; i++) {
+    err = uv__process_init_stdio(options->stdio + i, pipes[i]);
+    if (err)
+      goto error;
+  }
+
+  /* This pipe is used by the parent to wait until
+   * the child has called `execve()`. We need this
+   * to avoid the following race condition:
+   *
+   *    if ((pid = fork()) > 0) {
+   *      kill(pid, SIGTERM);
+   *    }
+   *    else if (pid == 0) {
+   *      execve("/bin/cat", argp, envp);
+   *    }
+   *
+   * The parent sends a signal immediately after forking.
+   * Since the child may not have called `execve()` yet,
+   * there is no telling what process receives the signal,
+   * our fork or /bin/cat.
+   *
+   * To avoid ambiguity, we create a pipe with both ends
+   * marked close-on-exec. Then, after the call to `fork()`,
+   * the parent polls the read end until it EOFs or errors with EPIPE.
+   */
+  err = uv__make_pipe(signal_pipe, 0);
+  if (err)
+    goto error;
+
+  uv_signal_start(&loop->child_watcher, uv__chld, SIGCHLD);
+
+  pid = fork();
+
+  if (pid == -1) {
+    err = -errno;
+    uv__close(signal_pipe[0]);
+    uv__close(signal_pipe[1]);
+    goto error;
+  }
+
+  if (pid == 0) {
+    uv__process_child_init(options, stdio_count, pipes, signal_pipe[1]);
+    abort();
+  }
+
+  uv__close(signal_pipe[1]);
+
+  process->status = 0;
+  exec_errorno = 0;
+  do
+    r = read(signal_pipe[0], &exec_errorno, sizeof(exec_errorno));
+  while (r == -1 && errno == EINTR);
+
+  if (r == 0)
+    ; /* okay, EOF */
+  else if (r == sizeof(exec_errorno))
+    ; /* okay, read errorno */
+  else if (r == -1 && errno == EPIPE)
+    ; /* okay, got EPIPE */
+  else
+    abort();
+
+  uv__close(signal_pipe[0]);
+
+  for (i = 0; i < options->stdio_count; i++) {
+    err = uv__process_open_stream(options->stdio + i, pipes[i], i == 0);
+    if (err == 0)
+      continue;
+
+    while (i--)
+      uv__process_close_stream(options->stdio + i);
+
+    goto error;
+  }
+
+  /* Only activate this handle if exec() happened successfully */
+  if (exec_errorno == 0) {
+    q = uv__process_queue(loop, pid);
+    QUEUE_INSERT_TAIL(q, &process->queue);
+    uv__handle_start(process);
+  }
+
+  process->pid = pid;
+  process->exit_cb = options->exit_cb;
+
+  free(pipes);
+  return exec_errorno;
+
+error:
+  if (pipes != NULL) {
+    for (i = 0; i < stdio_count; i++) {
+      if (i < options->stdio_count)
+        if (options->stdio[i].flags & (UV_INHERIT_FD | UV_INHERIT_STREAM))
+          continue;
+      if (pipes[i][0] != -1)
+        close(pipes[i][0]);
+      if (pipes[i][1] != -1)
+        close(pipes[i][1]);
+    }
+    free(pipes);
+  }
+
+  return err;
+}
+
+
+int uv_process_kill(uv_process_t* process, int signum) {
+  return uv_kill(process->pid, signum);
+}
+
+
+int uv_kill(int pid, int signum) {
+  if (kill(pid, signum))
+    return -errno;
+  else
+    return 0;
+}
+
+
+void uv__process_close(uv_process_t* handle) {
+  /* TODO stop signal watcher when this is the last handle */
+  QUEUE_REMOVE(&handle->queue);
+  uv__handle_stop(handle);
+}

third-party/libuv/src/unix/proctitle.c

@@ -0,0 +1,102 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+extern void uv__set_process_title(const char* title);
+
+static void* args_mem;
+
+static struct {
+  char* str;
+  size_t len;
+} process_title;
+
+
+char** uv_setup_args(int argc, char** argv) {
+  char** new_argv;
+  size_t size;
+  char* s;
+  int i;
+
+  if (argc <= 0)
+    return argv;
+
+  /* Calculate how much memory we need for the argv strings. */
+  size = 0;
+  for (i = 0; i < argc; i++)
+    size += strlen(argv[i]) + 1;
+
+  process_title.str = argv[0];
+  process_title.len = argv[argc - 1] + strlen(argv[argc - 1]) - argv[0];
+  assert(process_title.len + 1 == size);  /* argv memory should be adjacent. */
+
+  /* Add space for the argv pointers. */
+  size += (argc + 1) * sizeof(char*);
+
+  new_argv = malloc(size);
+  if (new_argv == NULL)
+    return argv;
+  args_mem = new_argv;
+
+  /* Copy over the strings and set up the pointer table. */
+  s = (char*) &new_argv[argc + 1];
+  for (i = 0; i < argc; i++) {
+    size = strlen(argv[i]) + 1;
+    memcpy(s, argv[i], size);
+    new_argv[i] = s;
+    s += size;
+  }
+  new_argv[i] = NULL;
+
+  return new_argv;
+}
+
+
+int uv_set_process_title(const char* title) {
+  if (process_title.len == 0)
+    return 0;
+
+  /* No need to terminate, byte after is always '\0'. */
+  strncpy(process_title.str, title, process_title.len);
+  uv__set_process_title(title);
+
+  return 0;
+}
+
+
+int uv_get_process_title(char* buffer, size_t size) {
+  if (process_title.len > 0)
+    strncpy(buffer, process_title.str, size);
+  else if (size > 0)
+    buffer[0] = '\0';
+
+  return 0;
+}
+
+
+UV_DESTRUCTOR(static void free_args_mem(void)) {
+  free(args_mem);  /* Keep valgrind happy. */
+  args_mem = NULL;
+}

third-party/libuv/src/unix/pthread-fixes.c

@@ -0,0 +1,80 @@
+/* Copyright (c) 2013, Sony Mobile Communications AB
+ * Copyright (c) 2012, Google Inc.
+   All rights reserved.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are
+   met:
+
+     * Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+       * Redistributions in binary form must reproduce the above
+   copyright notice, this list of conditions and the following disclaimer
+   in the documentation and/or other materials provided with the
+   distribution.
+       * Neither the name of Google Inc. nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+/*Android doesn't provide pthread_barrier_t for now.*/
+#ifndef PTHREAD_BARRIER_SERIAL_THREAD
+
+#include "pthread-fixes.h"
+
+int pthread_barrier_init(pthread_barrier_t* barrier,
+                         const void* barrier_attr,
+                         unsigned count) {
+  barrier->count = count;
+  pthread_mutex_init(&barrier->mutex, NULL);
+  pthread_cond_init(&barrier->cond, NULL);
+  return 0;
+}
+
+int pthread_barrier_wait(pthread_barrier_t* barrier) {
+  /* Lock the mutex*/
+  pthread_mutex_lock(&barrier->mutex);
+  /* Decrement the count. If this is the first thread to reach 0, wake up
+     waiters, unlock the mutex, then return PTHREAD_BARRIER_SERIAL_THREAD.*/
+  if (--barrier->count == 0) {
+    /* First thread to reach the barrier */
+    pthread_cond_broadcast(&barrier->cond);
+    pthread_mutex_unlock(&barrier->mutex);
+    return PTHREAD_BARRIER_SERIAL_THREAD;
+  }
+  /* Otherwise, wait for other threads until the count reaches 0, then
+     return 0 to indicate this is not the first thread.*/
+  do {
+    pthread_cond_wait(&barrier->cond, &barrier->mutex);
+  } while (barrier->count > 0);
+
+  pthread_mutex_unlock(&barrier->mutex);
+  return 0;
+}
+
+int pthread_barrier_destroy(pthread_barrier_t *barrier) {
+  barrier->count = 0;
+  pthread_cond_destroy(&barrier->cond);
+  pthread_mutex_destroy(&barrier->mutex);
+  return 0;
+}
+
+#endif  /* defined(PTHREAD_BARRIER_SERIAL_THREAD) */
+
+int pthread_yield(void) {
+  sched_yield();
+  return 0;
+}

third-party/libuv/src/unix/signal.c

@@ -0,0 +1,465 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+typedef struct {
+  uv_signal_t* handle;
+  int signum;
+} uv__signal_msg_t;
+
+RB_HEAD(uv__signal_tree_s, uv_signal_s);
+
+
+static int uv__signal_unlock(void);
+static void uv__signal_event(uv_loop_t* loop, uv__io_t* w, unsigned int events);
+static int uv__signal_compare(uv_signal_t* w1, uv_signal_t* w2);
+static void uv__signal_stop(uv_signal_t* handle);
+
+
+static pthread_once_t uv__signal_global_init_guard = PTHREAD_ONCE_INIT;
+static struct uv__signal_tree_s uv__signal_tree =
+    RB_INITIALIZER(uv__signal_tree);
+static int uv__signal_lock_pipefd[2];
+
+
+RB_GENERATE_STATIC(uv__signal_tree_s,
+                   uv_signal_s, tree_entry,
+                   uv__signal_compare)
+
+
+static void uv__signal_global_init(void) {
+  if (uv__make_pipe(uv__signal_lock_pipefd, 0))
+    abort();
+
+  if (uv__signal_unlock())
+    abort();
+}
+
+
+void uv__signal_global_once_init(void) {
+  pthread_once(&uv__signal_global_init_guard, uv__signal_global_init);
+}
+
+
+
+static int uv__signal_lock(void) {
+  int r;
+  char data;
+
+  do {
+    r = read(uv__signal_lock_pipefd[0], &data, sizeof data);
+  } while (r < 0 && errno == EINTR);
+
+  return (r < 0) ? -1 : 0;
+}
+
+
+static int uv__signal_unlock(void) {
+  int r;
+  char data = 42;
+
+  do {
+    r = write(uv__signal_lock_pipefd[1], &data, sizeof data);
+  } while (r < 0 && errno == EINTR);
+
+  return (r < 0) ? -1 : 0;
+}
+
+
+static void uv__signal_block_and_lock(sigset_t* saved_sigmask) {
+  sigset_t new_mask;
+
+  if (sigfillset(&new_mask))
+    abort();
+
+  if (pthread_sigmask(SIG_SETMASK, &new_mask, saved_sigmask))
+    abort();
+
+  if (uv__signal_lock())
+    abort();
+}
+
+
+static void uv__signal_unlock_and_unblock(sigset_t* saved_sigmask) {
+  if (uv__signal_unlock())
+    abort();
+
+  if (pthread_sigmask(SIG_SETMASK, saved_sigmask, NULL))
+    abort();
+}
+
+
+static uv_signal_t* uv__signal_first_handle(int signum) {
+  /* This function must be called with the signal lock held. */
+  uv_signal_t lookup;
+  uv_signal_t* handle;
+
+  lookup.signum = signum;
+  lookup.loop = NULL;
+
+  handle = RB_NFIND(uv__signal_tree_s, &uv__signal_tree, &lookup);
+
+  if (handle != NULL && handle->signum == signum)
+    return handle;
+
+  return NULL;
+}
+
+
+static void uv__signal_handler(int signum) {
+  uv__signal_msg_t msg;
+  uv_signal_t* handle;
+  int saved_errno;
+
+  saved_errno = errno;
+  memset(&msg, 0, sizeof msg);
+
+  if (uv__signal_lock()) {
+    errno = saved_errno;
+    return;
+  }
+
+  for (handle = uv__signal_first_handle(signum);
+       handle != NULL && handle->signum == signum;
+       handle = RB_NEXT(uv__signal_tree_s, &uv__signal_tree, handle)) {
+    int r;
+
+    msg.signum = signum;
+    msg.handle = handle;
+
+    /* write() should be atomic for small data chunks, so the entire message
+     * should be written at once. In theory the pipe could become full, in
+     * which case the user is out of luck.
+     */
+    do {
+      r = write(handle->loop->signal_pipefd[1], &msg, sizeof msg);
+    } while (r == -1 && errno == EINTR);
+
+    assert(r == sizeof msg ||
+           (r == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)));
+
+    if (r != -1)
+      handle->caught_signals++;
+  }
+
+  uv__signal_unlock();
+  errno = saved_errno;
+}
+
+
+static int uv__signal_register_handler(int signum) {
+  /* When this function is called, the signal lock must be held. */
+  struct sigaction sa;
+
+  /* XXX use a separate signal stack? */
+  memset(&sa, 0, sizeof(sa));
+  if (sigfillset(&sa.sa_mask))
+    abort();
+  sa.sa_handler = uv__signal_handler;
+
+  /* XXX save old action so we can restore it later on? */
+  if (sigaction(signum, &sa, NULL))
+    return -errno;
+
+  return 0;
+}
+
+
+static void uv__signal_unregister_handler(int signum) {
+  /* When this function is called, the signal lock must be held. */
+  struct sigaction sa;
+
+  memset(&sa, 0, sizeof(sa));
+  sa.sa_handler = SIG_DFL;
+
+  /* sigaction can only fail with EINVAL or EFAULT; an attempt to deregister a
+   * signal implies that it was successfully registered earlier, so EINVAL
+   * should never happen.
+   */
+  if (sigaction(signum, &sa, NULL))
+    abort();
+}
+
+
+static int uv__signal_loop_once_init(uv_loop_t* loop) {
+  int err;
+
+  /* Return if already initialized. */
+  if (loop->signal_pipefd[0] != -1)
+    return 0;
+
+  err = uv__make_pipe(loop->signal_pipefd, UV__F_NONBLOCK);
+  if (err)
+    return err;
+
+  uv__io_init(&loop->signal_io_watcher,
+              uv__signal_event,
+              loop->signal_pipefd[0]);
+  uv__io_start(loop, &loop->signal_io_watcher, UV__POLLIN);
+
+  return 0;
+}
+
+
+void uv__signal_loop_cleanup(uv_loop_t* loop) {
+  QUEUE* q;
+
+  /* Stop all the signal watchers that are still attached to this loop. This
+   * ensures that the (shared) signal tree doesn't contain any invalid entries
+   * entries, and that signal handlers are removed when appropriate.
+   */
+  QUEUE_FOREACH(q, &loop->handle_queue) {
+    uv_handle_t* handle = QUEUE_DATA(q, uv_handle_t, handle_queue);
+
+    if (handle->type == UV_SIGNAL)
+      uv__signal_stop((uv_signal_t*) handle);
+  }
+
+  if (loop->signal_pipefd[0] != -1) {
+    uv__close(loop->signal_pipefd[0]);
+    loop->signal_pipefd[0] = -1;
+  }
+
+  if (loop->signal_pipefd[1] != -1) {
+    uv__close(loop->signal_pipefd[1]);
+    loop->signal_pipefd[1] = -1;
+  }
+}
+
+
+int uv_signal_init(uv_loop_t* loop, uv_signal_t* handle) {
+  int err;
+
+  err = uv__signal_loop_once_init(loop);
+  if (err)
+    return err;
+
+  uv__handle_init(loop, (uv_handle_t*) handle, UV_SIGNAL);
+  handle->signum = 0;
+  handle->caught_signals = 0;
+  handle->dispatched_signals = 0;
+
+  return 0;
+}
+
+
+void uv__signal_close(uv_signal_t* handle) {
+
+  uv__signal_stop(handle);
+
+  /* If there are any caught signals "trapped" in the signal pipe, we can't
+   * call the close callback yet. Otherwise, add the handle to the finish_close
+   * queue.
+   */
+  if (handle->caught_signals == handle->dispatched_signals) {
+    uv__make_close_pending((uv_handle_t*) handle);
+  }
+}
+
+
+int uv_signal_start(uv_signal_t* handle, uv_signal_cb signal_cb, int signum) {
+  sigset_t saved_sigmask;
+  int err;
+
+  assert(!(handle->flags & (UV_CLOSING | UV_CLOSED)));
+
+  /* If the user supplies signum == 0, then return an error already. If the
+   * signum is otherwise invalid then uv__signal_register will find out
+   * eventually.
+   */
+  if (signum == 0)
+    return -EINVAL;
+
+  /* Short circuit: if the signal watcher is already watching {signum} don't
+   * go through the process of deregistering and registering the handler.
+   * Additionally, this avoids pending signals getting lost in the small time
+   * time frame that handle->signum == 0.
+   */
+  if (signum == handle->signum) {
+    handle->signal_cb = signal_cb;
+    return 0;
+  }
+
+  /* If the signal handler was already active, stop it first. */
+  if (handle->signum != 0) {
+    uv__signal_stop(handle);
+  }
+
+  uv__signal_block_and_lock(&saved_sigmask);
+
+  /* If at this point there are no active signal watchers for this signum (in
+   * any of the loops), it's time to try and register a handler for it here.
+   */
+  if (uv__signal_first_handle(signum) == NULL) {
+    err = uv__signal_register_handler(signum);
+    if (err) {
+      /* Registering the signal handler failed. Must be an invalid signal. */
+      uv__signal_unlock_and_unblock(&saved_sigmask);
+      return err;
+    }
+  }
+
+  handle->signum = signum;
+  RB_INSERT(uv__signal_tree_s, &uv__signal_tree, handle);
+
+  uv__signal_unlock_and_unblock(&saved_sigmask);
+
+  handle->signal_cb = signal_cb;
+  uv__handle_start(handle);
+
+  return 0;
+}
+
+
+static void uv__signal_event(uv_loop_t* loop,
+                             uv__io_t* w,
+                             unsigned int events) {
+  uv__signal_msg_t* msg;
+  uv_signal_t* handle;
+  char buf[sizeof(uv__signal_msg_t) * 32];
+  size_t bytes, end, i;
+  int r;
+
+  bytes = 0;
+  end = 0;
+
+  do {
+    r = read(loop->signal_pipefd[0], buf + bytes, sizeof(buf) - bytes);
+
+    if (r == -1 && errno == EINTR)
+      continue;
+
+    if (r == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) {
+      /* If there are bytes in the buffer already (which really is extremely
+       * unlikely if possible at all) we can't exit the function here. We'll
+       * spin until more bytes are read instead.
+       */
+      if (bytes > 0)
+        continue;
+
+      /* Otherwise, there was nothing there. */
+      return;
+    }
+
+    /* Other errors really should never happen. */
+    if (r == -1)
+      abort();
+
+    bytes += r;
+
+    /* `end` is rounded down to a multiple of sizeof(uv__signal_msg_t). */
+    end = (bytes / sizeof(uv__signal_msg_t)) * sizeof(uv__signal_msg_t);
+
+    for (i = 0; i < end; i += sizeof(uv__signal_msg_t)) {
+      msg = (uv__signal_msg_t*) (buf + i);
+      handle = msg->handle;
+
+      if (msg->signum == handle->signum) {
+        assert(!(handle->flags & UV_CLOSING));
+        handle->signal_cb(handle, handle->signum);
+      }
+
+      handle->dispatched_signals++;
+
+      /* If uv_close was called while there were caught signals that were not
+       * yet dispatched, the uv__finish_close was deferred. Make close pending
+       * now if this has happened.
+       */
+      if ((handle->flags & UV_CLOSING) &&
+          (handle->caught_signals == handle->dispatched_signals)) {
+        uv__make_close_pending((uv_handle_t*) handle);
+      }
+    }
+
+    bytes -= end;
+
+    /* If there are any "partial" messages left, move them to the start of the
+     * the buffer, and spin. This should not happen.
+     */
+    if (bytes) {
+      memmove(buf, buf + end, bytes);
+      continue;
+    }
+  } while (end == sizeof buf);
+}
+
+
+static int uv__signal_compare(uv_signal_t* w1, uv_signal_t* w2) {
+  /* Compare signums first so all watchers with the same signnum end up
+   * adjacent.
+   */
+  if (w1->signum < w2->signum) return -1;
+  if (w1->signum > w2->signum) return 1;
+
+  /* Sort by loop pointer, so we can easily look up the first item after
+   * { .signum = x, .loop = NULL }.
+   */
+  if (w1->loop < w2->loop) return -1;
+  if (w1->loop > w2->loop) return 1;
+
+  if (w1 < w2) return -1;
+  if (w1 > w2) return 1;
+
+  return 0;
+}
+
+
+int uv_signal_stop(uv_signal_t* handle) {
+  assert(!(handle->flags & (UV_CLOSING | UV_CLOSED)));
+  uv__signal_stop(handle);
+  return 0;
+}
+
+
+static void uv__signal_stop(uv_signal_t* handle) {
+  uv_signal_t* removed_handle;
+  sigset_t saved_sigmask;
+
+  /* If the watcher wasn't started, this is a no-op. */
+  if (handle->signum == 0)
+    return;
+
+  uv__signal_block_and_lock(&saved_sigmask);
+
+  removed_handle = RB_REMOVE(uv__signal_tree_s, &uv__signal_tree, handle);
+  assert(removed_handle == handle);
+  (void) removed_handle;
+
+  /* Check if there are other active signal watchers observing this signal. If
+   * not, unregister the signal handler.
+   */
+  if (uv__signal_first_handle(handle->signum) == NULL)
+    uv__signal_unregister_handler(handle->signum);
+
+  uv__signal_unlock_and_unblock(&saved_sigmask);
+
+  handle->signum = 0;
+  uv__handle_stop(handle);
+}

third-party/libuv/src/unix/spinlock.h

@@ -0,0 +1,53 @@
+/* Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef UV_SPINLOCK_H_
+#define UV_SPINLOCK_H_
+
+#include "internal.h"  /* ACCESS_ONCE, UV_UNUSED */
+#include "atomic-ops.h"
+
+#define UV_SPINLOCK_INITIALIZER { 0 }
+
+typedef struct {
+  int lock;
+} uv_spinlock_t;
+
+UV_UNUSED(static void uv_spinlock_init(uv_spinlock_t* spinlock));
+UV_UNUSED(static void uv_spinlock_lock(uv_spinlock_t* spinlock));
+UV_UNUSED(static void uv_spinlock_unlock(uv_spinlock_t* spinlock));
+UV_UNUSED(static int uv_spinlock_trylock(uv_spinlock_t* spinlock));
+
+UV_UNUSED(static void uv_spinlock_init(uv_spinlock_t* spinlock)) {
+  ACCESS_ONCE(int, spinlock->lock) = 0;
+}
+
+UV_UNUSED(static void uv_spinlock_lock(uv_spinlock_t* spinlock)) {
+  while (!uv_spinlock_trylock(spinlock)) cpu_relax();
+}
+
+UV_UNUSED(static void uv_spinlock_unlock(uv_spinlock_t* spinlock)) {
+  ACCESS_ONCE(int, spinlock->lock) = 0;
+}
+
+UV_UNUSED(static int uv_spinlock_trylock(uv_spinlock_t* spinlock)) {
+  /* TODO(bnoordhuis) Maybe change to a ticket lock to guarantee fair queueing.
+   * Not really critical until we have locks that are (frequently) contended
+   * for by several threads.
+   */
+  return 0 == cmpxchgi(&spinlock->lock, 0, 1);
+}
+
+#endif  /* UV_SPINLOCK_H_ */

third-party/libuv/src/unix/sunos.c

@@ -0,0 +1,734 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <errno.h>
+
+#ifndef SUNOS_NO_IFADDRS
+# include <ifaddrs.h>
+#endif
+#include <net/if.h>
+#include <net/if_dl.h>
+
+#include <sys/loadavg.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <kstat.h>
+#include <fcntl.h>
+
+#include <sys/port.h>
+#include <port.h>
+
+#define PORT_FIRED 0x69
+#define PORT_UNUSED 0x0
+#define PORT_LOADED 0x99
+#define PORT_DELETED -1
+
+#if (!defined(_LP64)) && (_FILE_OFFSET_BITS - 0 == 64)
+#define PROCFS_FILE_OFFSET_BITS_HACK 1
+#undef _FILE_OFFSET_BITS
+#else
+#define PROCFS_FILE_OFFSET_BITS_HACK 0
+#endif
+
+#include <procfs.h>
+
+#if (PROCFS_FILE_OFFSET_BITS_HACK - 0 == 1)
+#define _FILE_OFFSET_BITS 64
+#endif
+
+
+int uv__platform_loop_init(uv_loop_t* loop, int default_loop) {
+  int err;
+  int fd;
+
+  loop->fs_fd = -1;
+  loop->backend_fd = -1;
+
+  fd = port_create();
+  if (fd == -1)
+    return -errno;
+
+  err = uv__cloexec(fd, 1);
+  if (err) {
+    uv__close(fd);
+    return err;
+  }
+  loop->backend_fd = fd;
+
+  return 0;
+}
+
+
+void uv__platform_loop_delete(uv_loop_t* loop) {
+  if (loop->fs_fd != -1) {
+    uv__close(loop->fs_fd);
+    loop->fs_fd = -1;
+  }
+
+  if (loop->backend_fd != -1) {
+    uv__close(loop->backend_fd);
+    loop->backend_fd = -1;
+  }
+}
+
+
+void uv__platform_invalidate_fd(uv_loop_t* loop, int fd) {
+  struct port_event* events;
+  uintptr_t i;
+  uintptr_t nfds;
+
+  assert(loop->watchers != NULL);
+
+  events = (struct port_event*) loop->watchers[loop->nwatchers];
+  nfds = (uintptr_t) loop->watchers[loop->nwatchers + 1];
+  if (events == NULL)
+    return;
+
+  /* Invalidate events with same file descriptor */
+  for (i = 0; i < nfds; i++)
+    if ((int) events[i].portev_object == fd)
+      events[i].portev_object = -1;
+}
+
+
+void uv__io_poll(uv_loop_t* loop, int timeout) {
+  struct port_event events[1024];
+  struct port_event* pe;
+  struct timespec spec;
+  QUEUE* q;
+  uv__io_t* w;
+  uint64_t base;
+  uint64_t diff;
+  unsigned int nfds;
+  unsigned int i;
+  int saved_errno;
+  int nevents;
+  int count;
+  int fd;
+
+  if (loop->nfds == 0) {
+    assert(QUEUE_EMPTY(&loop->watcher_queue));
+    return;
+  }
+
+  while (!QUEUE_EMPTY(&loop->watcher_queue)) {
+    q = QUEUE_HEAD(&loop->watcher_queue);
+    QUEUE_REMOVE(q);
+    QUEUE_INIT(q);
+
+    w = QUEUE_DATA(q, uv__io_t, watcher_queue);
+    assert(w->pevents != 0);
+
+    if (port_associate(loop->backend_fd, PORT_SOURCE_FD, w->fd, w->pevents, 0))
+      abort();
+
+    w->events = w->pevents;
+  }
+
+  assert(timeout >= -1);
+  base = loop->time;
+  count = 48; /* Benchmarks suggest this gives the best throughput. */
+
+  for (;;) {
+    if (timeout != -1) {
+      spec.tv_sec = timeout / 1000;
+      spec.tv_nsec = (timeout % 1000) * 1000000;
+    }
+
+    /* Work around a kernel bug where nfds is not updated. */
+    events[0].portev_source = 0;
+
+    nfds = 1;
+    saved_errno = 0;
+    if (port_getn(loop->backend_fd,
+                  events,
+                  ARRAY_SIZE(events),
+                  &nfds,
+                  timeout == -1 ? NULL : &spec)) {
+      /* Work around another kernel bug: port_getn() may return events even
+       * on error.
+       */
+      if (errno == EINTR || errno == ETIME)
+        saved_errno = errno;
+      else
+        abort();
+    }
+
+    /* Update loop->time unconditionally. It's tempting to skip the update when
+     * timeout == 0 (i.e. non-blocking poll) but there is no guarantee that the
+     * operating system didn't reschedule our process while in the syscall.
+     */
+    SAVE_ERRNO(uv__update_time(loop));
+
+    if (events[0].portev_source == 0) {
+      if (timeout == 0)
+        return;
+
+      if (timeout == -1)
+        continue;
+
+      goto update_timeout;
+    }
+
+    if (nfds == 0) {
+      assert(timeout != -1);
+      return;
+    }
+
+    nevents = 0;
+
+    assert(loop->watchers != NULL);
+    loop->watchers[loop->nwatchers] = (void*) events;
+    loop->watchers[loop->nwatchers + 1] = (void*) (uintptr_t) nfds;
+    for (i = 0; i < nfds; i++) {
+      pe = events + i;
+      fd = pe->portev_object;
+
+      /* Skip invalidated events, see uv__platform_invalidate_fd */
+      if (fd == -1)
+        continue;
+
+      assert(fd >= 0);
+      assert((unsigned) fd < loop->nwatchers);
+
+      w = loop->watchers[fd];
+
+      /* File descriptor that we've stopped watching, ignore. */
+      if (w == NULL)
+        continue;
+
+      w->cb(loop, w, pe->portev_events);
+      nevents++;
+
+      if (w != loop->watchers[fd])
+        continue;  /* Disabled by callback. */
+
+      /* Events Ports operates in oneshot mode, rearm timer on next run. */
+      if (w->pevents != 0 && QUEUE_EMPTY(&w->watcher_queue))
+        QUEUE_INSERT_TAIL(&loop->watcher_queue, &w->watcher_queue);
+    }
+    loop->watchers[loop->nwatchers] = NULL;
+    loop->watchers[loop->nwatchers + 1] = NULL;
+
+    if (nevents != 0) {
+      if (nfds == ARRAY_SIZE(events) && --count != 0) {
+        /* Poll for more events but don't block this time. */
+        timeout = 0;
+        continue;
+      }
+      return;
+    }
+
+    if (saved_errno == ETIME) {
+      assert(timeout != -1);
+      return;
+    }
+
+    if (timeout == 0)
+      return;
+
+    if (timeout == -1)
+      continue;
+
+update_timeout:
+    assert(timeout > 0);
+
+    diff = loop->time - base;
+    if (diff >= (uint64_t) timeout)
+      return;
+
+    timeout -= diff;
+  }
+}
+
+
+uint64_t uv__hrtime(uv_clocktype_t type) {
+  return gethrtime();
+}
+
+
+/*
+ * We could use a static buffer for the path manipulations that we need outside
+ * of the function, but this function could be called by multiple consumers and
+ * we don't want to potentially create a race condition in the use of snprintf.
+ */
+int uv_exepath(char* buffer, size_t* size) {
+  ssize_t res;
+  char buf[128];
+
+  if (buffer == NULL || size == NULL)
+    return -EINVAL;
+
+  snprintf(buf, sizeof(buf), "/proc/%lu/path/a.out", (unsigned long) getpid());
+  res = readlink(buf, buffer, *size - 1);
+  if (res == -1)
+    return -errno;
+
+  buffer[res] = '\0';
+  *size = res;
+  return 0;
+}
+
+
+uint64_t uv_get_free_memory(void) {
+  return (uint64_t) sysconf(_SC_PAGESIZE) * sysconf(_SC_AVPHYS_PAGES);
+}
+
+
+uint64_t uv_get_total_memory(void) {
+  return (uint64_t) sysconf(_SC_PAGESIZE) * sysconf(_SC_PHYS_PAGES);
+}
+
+
+void uv_loadavg(double avg[3]) {
+  (void) getloadavg(avg, 3);
+}
+
+
+#if defined(PORT_SOURCE_FILE)
+
+static int uv__fs_event_rearm(uv_fs_event_t *handle) {
+  if (handle->fd == -1)
+    return -EBADF;
+
+  if (port_associate(handle->loop->fs_fd,
+                     PORT_SOURCE_FILE,
+                     (uintptr_t) &handle->fo,
+                     FILE_ATTRIB | FILE_MODIFIED,
+                     handle) == -1) {
+    return -errno;
+  }
+  handle->fd = PORT_LOADED;
+
+  return 0;
+}
+
+
+static void uv__fs_event_read(uv_loop_t* loop,
+                              uv__io_t* w,
+                              unsigned int revents) {
+  uv_fs_event_t *handle = NULL;
+  timespec_t timeout;
+  port_event_t pe;
+  int events;
+  int r;
+
+  (void) w;
+  (void) revents;
+
+  do {
+    uint_t n = 1;
+
+    /*
+     * Note that our use of port_getn() here (and not port_get()) is deliberate:
+     * there is a bug in event ports (Sun bug 6456558) whereby a zeroed timeout
+     * causes port_get() to return success instead of ETIME when there aren't
+     * actually any events (!); by using port_getn() in lieu of port_get(),
+     * we can at least workaround the bug by checking for zero returned events
+     * and treating it as we would ETIME.
+     */
+    do {
+      memset(&timeout, 0, sizeof timeout);
+      r = port_getn(loop->fs_fd, &pe, 1, &n, &timeout);
+    }
+    while (r == -1 && errno == EINTR);
+
+    if ((r == -1 && errno == ETIME) || n == 0)
+      break;
+
+    handle = (uv_fs_event_t*) pe.portev_user;
+    assert((r == 0) && "unexpected port_get() error");
+
+    events = 0;
+    if (pe.portev_events & (FILE_ATTRIB | FILE_MODIFIED))
+      events |= UV_CHANGE;
+    if (pe.portev_events & ~(FILE_ATTRIB | FILE_MODIFIED))
+      events |= UV_RENAME;
+    assert(events != 0);
+    handle->fd = PORT_FIRED;
+    handle->cb(handle, NULL, events, 0);
+  }
+  while (handle->fd != PORT_DELETED);
+
+  if (handle != NULL && handle->fd != PORT_DELETED)
+    uv__fs_event_rearm(handle);  /* FIXME(bnoordhuis) Check return code. */
+}
+
+
+int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle) {
+  uv__handle_init(loop, (uv_handle_t*)handle, UV_FS_EVENT);
+  return 0;
+}
+
+
+int uv_fs_event_start(uv_fs_event_t* handle,
+                      uv_fs_event_cb cb,
+                      const char* filename,
+                      unsigned int flags) {
+  int portfd;
+  int first_run;
+
+  if (uv__is_active(handle))
+    return -EINVAL;
+
+  first_run = 0;
+  if (handle->loop->fs_fd == -1) {
+    portfd = port_create();
+    if (portfd == -1)
+      return -errno;
+    handle->loop->fs_fd = portfd;
+    first_run = 1;
+  }
+
+  uv__handle_start(handle);
+  handle->filename = strdup(filename);
+  handle->fd = PORT_UNUSED;
+  handle->cb = cb;
+
+  memset(&handle->fo, 0, sizeof handle->fo);
+  handle->fo.fo_name = handle->filename;
+  uv__fs_event_rearm(handle);  /* FIXME(bnoordhuis) Check return code. */
+
+  if (first_run) {
+    uv__io_init(&handle->loop->fs_event_watcher, uv__fs_event_read, portfd);
+    uv__io_start(handle->loop, &handle->loop->fs_event_watcher, UV__POLLIN);
+  }
+
+  return 0;
+}
+
+
+int uv_fs_event_stop(uv_fs_event_t* handle) {
+  if (!uv__is_active(handle))
+    return -EINVAL;
+
+  if (handle->fd == PORT_FIRED || handle->fd == PORT_LOADED) {
+    port_dissociate(handle->loop->fs_fd,
+                    PORT_SOURCE_FILE,
+                    (uintptr_t) &handle->fo);
+  }
+
+  handle->fd = PORT_DELETED;
+  free(handle->filename);
+  handle->filename = NULL;
+  handle->fo.fo_name = NULL;
+  uv__handle_stop(handle);
+
+  return 0;
+}
+
+void uv__fs_event_close(uv_fs_event_t* handle) {
+  uv_fs_event_stop(handle);
+}
+
+#else /* !defined(PORT_SOURCE_FILE) */
+
+int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle) {
+  return -ENOSYS;
+}
+
+
+int uv_fs_event_start(uv_fs_event_t* handle,
+                      uv_fs_event_cb cb,
+                      const char* filename,
+                      unsigned int flags) {
+  return -ENOSYS;
+}
+
+
+int uv_fs_event_stop(uv_fs_event_t* handle) {
+  return -ENOSYS;
+}
+
+
+void uv__fs_event_close(uv_fs_event_t* handle) {
+  UNREACHABLE();
+}
+
+#endif /* defined(PORT_SOURCE_FILE) */
+
+
+char** uv_setup_args(int argc, char** argv) {
+  return argv;
+}
+
+
+int uv_set_process_title(const char* title) {
+  return 0;
+}
+
+
+int uv_get_process_title(char* buffer, size_t size) {
+  if (size > 0) {
+    buffer[0] = '\0';
+  }
+  return 0;
+}
+
+
+int uv_resident_set_memory(size_t* rss) {
+  psinfo_t psinfo;
+  int err;
+  int fd;
+
+  fd = open("/proc/self/psinfo", O_RDONLY);
+  if (fd == -1)
+    return -errno;
+
+  /* FIXME(bnoordhuis) Handle EINTR. */
+  err = -EINVAL;
+  if (read(fd, &psinfo, sizeof(psinfo)) == sizeof(psinfo)) {
+    *rss = (size_t)psinfo.pr_rssize * 1024;
+    err = 0;
+  }
+  uv__close(fd);
+
+  return err;
+}
+
+
+int uv_uptime(double* uptime) {
+  kstat_ctl_t   *kc;
+  kstat_t       *ksp;
+  kstat_named_t *knp;
+
+  long hz = sysconf(_SC_CLK_TCK);
+
+  kc = kstat_open();
+  if (kc == NULL)
+    return -EPERM;
+
+  ksp = kstat_lookup(kc, (char*) "unix", 0, (char*) "system_misc");
+  if (kstat_read(kc, ksp, NULL) == -1) {
+    *uptime = -1;
+  } else {
+    knp = (kstat_named_t*)  kstat_data_lookup(ksp, (char*) "clk_intr");
+    *uptime = knp->value.ul / hz;
+  }
+  kstat_close(kc);
+
+  return 0;
+}
+
+
+int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
+  int           lookup_instance;
+  kstat_ctl_t   *kc;
+  kstat_t       *ksp;
+  kstat_named_t *knp;
+  uv_cpu_info_t* cpu_info;
+
+  kc = kstat_open();
+  if (kc == NULL)
+    return -EPERM;
+
+  /* Get count of cpus */
+  lookup_instance = 0;
+  while ((ksp = kstat_lookup(kc, (char*) "cpu_info", lookup_instance, NULL))) {
+    lookup_instance++;
+  }
+
+  *cpu_infos =  malloc(lookup_instance * sizeof(**cpu_infos));
+  if (!(*cpu_infos)) {
+    kstat_close(kc);
+    return -ENOMEM;
+  }
+
+  *count = lookup_instance;
+
+  cpu_info = *cpu_infos;
+  lookup_instance = 0;
+  while ((ksp = kstat_lookup(kc, (char*) "cpu_info", lookup_instance, NULL))) {
+    if (kstat_read(kc, ksp, NULL) == -1) {
+      cpu_info->speed = 0;
+      cpu_info->model = NULL;
+    } else {
+      knp = kstat_data_lookup(ksp, (char*) "clock_MHz");
+      assert(knp->data_type == KSTAT_DATA_INT32 ||
+             knp->data_type == KSTAT_DATA_INT64);
+      cpu_info->speed = (knp->data_type == KSTAT_DATA_INT32) ? knp->value.i32
+                                                             : knp->value.i64;
+
+      knp = kstat_data_lookup(ksp, (char*) "brand");
+      assert(knp->data_type == KSTAT_DATA_STRING);
+      cpu_info->model = strdup(KSTAT_NAMED_STR_PTR(knp));
+    }
+
+    lookup_instance++;
+    cpu_info++;
+  }
+
+  cpu_info = *cpu_infos;
+  lookup_instance = 0;
+  for (;;) {
+    ksp = kstat_lookup(kc, (char*) "cpu", lookup_instance, (char*) "sys");
+
+    if (ksp == NULL)
+      break;
+
+    if (kstat_read(kc, ksp, NULL) == -1) {
+      cpu_info->cpu_times.user = 0;
+      cpu_info->cpu_times.nice = 0;
+      cpu_info->cpu_times.sys = 0;
+      cpu_info->cpu_times.idle = 0;
+      cpu_info->cpu_times.irq = 0;
+    } else {
+      knp = kstat_data_lookup(ksp, (char*) "cpu_ticks_user");
+      assert(knp->data_type == KSTAT_DATA_UINT64);
+      cpu_info->cpu_times.user = knp->value.ui64;
+
+      knp = kstat_data_lookup(ksp, (char*) "cpu_ticks_kernel");
+      assert(knp->data_type == KSTAT_DATA_UINT64);
+      cpu_info->cpu_times.sys = knp->value.ui64;
+
+      knp = kstat_data_lookup(ksp, (char*) "cpu_ticks_idle");
+      assert(knp->data_type == KSTAT_DATA_UINT64);
+      cpu_info->cpu_times.idle = knp->value.ui64;
+
+      knp = kstat_data_lookup(ksp, (char*) "intr");
+      assert(knp->data_type == KSTAT_DATA_UINT64);
+      cpu_info->cpu_times.irq = knp->value.ui64;
+      cpu_info->cpu_times.nice = 0;
+    }
+
+    lookup_instance++;
+    cpu_info++;
+  }
+
+  kstat_close(kc);
+
+  return 0;
+}
+
+
+void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    free(cpu_infos[i].model);
+  }
+
+  free(cpu_infos);
+}
+
+
+int uv_interface_addresses(uv_interface_address_t** addresses, int* count) {
+#ifdef SUNOS_NO_IFADDRS
+  return -ENOSYS;
+#else
+  uv_interface_address_t* address;
+  struct sockaddr_dl* sa_addr;
+  struct ifaddrs* addrs;
+  struct ifaddrs* ent;
+  int i;
+
+  if (getifaddrs(&addrs))
+    return -errno;
+
+  *count = 0;
+
+  /* Count the number of interfaces */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+        (ent->ifa_addr == NULL) ||
+        (ent->ifa_addr->sa_family == PF_PACKET)) {
+      continue;
+    }
+
+    (*count)++;
+  }
+
+  *addresses = malloc(*count * sizeof(**addresses));
+  if (!(*addresses))
+    return -ENOMEM;
+
+  address = *addresses;
+
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)))
+      continue;
+
+    if (ent->ifa_addr == NULL)
+      continue;
+
+    address->name = strdup(ent->ifa_name);
+
+    if (ent->ifa_addr->sa_family == AF_INET6) {
+      address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr);
+    } else {
+      address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr);
+    }
+
+    if (ent->ifa_netmask->sa_family == AF_INET6) {
+      address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask);
+    } else {
+      address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask);
+    }
+
+    address->is_internal = !!((ent->ifa_flags & IFF_PRIVATE) ||
+                           (ent->ifa_flags & IFF_LOOPBACK));
+
+    address++;
+  }
+
+  /* Fill in physical addresses for each interface */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+        (ent->ifa_addr == NULL) ||
+        (ent->ifa_addr->sa_family != AF_LINK)) {
+      continue;
+    }
+
+    address = *addresses;
+
+    for (i = 0; i < (*count); i++) {
+      if (strcmp(address->name, ent->ifa_name) == 0) {
+        sa_addr = (struct sockaddr_dl*)(ent->ifa_addr);
+        memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr));
+      }
+      address++;
+    }
+  }
+
+  freeifaddrs(addrs);
+
+  return 0;
+#endif  /* SUNOS_NO_IFADDRS */
+}
+
+
+void uv_free_interface_addresses(uv_interface_address_t* addresses,
+  int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    free(addresses[i].name);
+  }
+
+  free(addresses);
+}

third-party/libuv/src/unix/tcp.c

@@ -0,0 +1,312 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <assert.h>
+#include <errno.h>
+
+
+int uv_tcp_init(uv_loop_t* loop, uv_tcp_t* tcp) {
+  uv__stream_init(loop, (uv_stream_t*)tcp, UV_TCP);
+  return 0;
+}
+
+
+static int maybe_new_socket(uv_tcp_t* handle, int domain, int flags) {
+  int sockfd;
+  int err;
+
+  if (uv__stream_fd(handle) != -1)
+    return 0;
+
+  err = uv__socket(domain, SOCK_STREAM, 0);
+  if (err < 0)
+    return err;
+  sockfd = err;
+
+  err = uv__stream_open((uv_stream_t*) handle, sockfd, flags);
+  if (err) {
+    uv__close(sockfd);
+    return err;
+  }
+
+  return 0;
+}
+
+
+int uv__tcp_bind(uv_tcp_t* tcp,
+                 const struct sockaddr* addr,
+                 unsigned int addrlen,
+                 unsigned int flags) {
+  int err;
+  int on;
+
+  err = maybe_new_socket(tcp,
+                         addr->sa_family,
+                         UV_STREAM_READABLE | UV_STREAM_WRITABLE);
+  if (err)
+    return err;
+
+  on = 1;
+  if (setsockopt(tcp->io_watcher.fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)))
+    return -errno;
+
+#ifdef IPV6_V6ONLY
+  if (addr->sa_family == AF_INET6) {
+    on = (flags & UV_TCP_IPV6ONLY) != 0;
+    if (setsockopt(tcp->io_watcher.fd,
+                   IPPROTO_IPV6,
+                   IPV6_V6ONLY,
+                   &on,
+                   sizeof on) == -1) {
+      return -errno;
+    }
+  }
+#endif
+
+  errno = 0;
+  if (bind(tcp->io_watcher.fd, addr, addrlen) && errno != EADDRINUSE)
+    return -errno;
+
+  tcp->delayed_error = -errno;
+  return 0;
+}
+
+
+int uv__tcp_connect(uv_connect_t* req,
+                    uv_tcp_t* handle,
+                    const struct sockaddr* addr,
+                    unsigned int addrlen,
+                    uv_connect_cb cb) {
+  int err;
+  int r;
+
+  assert(handle->type == UV_TCP);
+
+  if (handle->connect_req != NULL)
+    return -EALREADY;  /* FIXME(bnoordhuis) -EINVAL or maybe -EBUSY. */
+
+  err = maybe_new_socket(handle,
+                         addr->sa_family,
+                         UV_STREAM_READABLE | UV_STREAM_WRITABLE);
+  if (err)
+    return err;
+
+  handle->delayed_error = 0;
+
+  do
+    r = connect(uv__stream_fd(handle), addr, addrlen);
+  while (r == -1 && errno == EINTR);
+
+  if (r == -1) {
+    if (errno == EINPROGRESS)
+      ; /* not an error */
+    else if (errno == ECONNREFUSED)
+    /* If we get a ECONNREFUSED wait until the next tick to report the
+     * error. Solaris wants to report immediately--other unixes want to
+     * wait.
+     */
+      handle->delayed_error = -errno;
+    else
+      return -errno;
+  }
+
+  uv__req_init(handle->loop, req, UV_CONNECT);
+  req->cb = cb;
+  req->handle = (uv_stream_t*) handle;
+  QUEUE_INIT(&req->queue);
+  handle->connect_req = req;
+
+  uv__io_start(handle->loop, &handle->io_watcher, UV__POLLOUT);
+
+  if (handle->delayed_error)
+    uv__io_feed(handle->loop, &handle->io_watcher);
+
+  return 0;
+}
+
+
+int uv_tcp_open(uv_tcp_t* handle, uv_os_sock_t sock) {
+  return uv__stream_open((uv_stream_t*)handle,
+                         sock,
+                         UV_STREAM_READABLE | UV_STREAM_WRITABLE);
+}
+
+
+int uv_tcp_getsockname(uv_tcp_t* handle,
+                       struct sockaddr* name,
+                       int* namelen) {
+  socklen_t socklen;
+
+  if (handle->delayed_error)
+    return handle->delayed_error;
+
+  if (uv__stream_fd(handle) < 0)
+    return -EINVAL;  /* FIXME(bnoordhuis) -EBADF */
+
+  /* sizeof(socklen_t) != sizeof(int) on some systems. */
+  socklen = (socklen_t) *namelen;
+
+  if (getsockname(uv__stream_fd(handle), name, &socklen))
+    return -errno;
+
+  *namelen = (int) socklen;
+  return 0;
+}
+
+
+int uv_tcp_getpeername(uv_tcp_t* handle,
+                       struct sockaddr* name,
+                       int* namelen) {
+  socklen_t socklen;
+
+  if (handle->delayed_error)
+    return handle->delayed_error;
+
+  if (uv__stream_fd(handle) < 0)
+    return -EINVAL;  /* FIXME(bnoordhuis) -EBADF */
+
+  /* sizeof(socklen_t) != sizeof(int) on some systems. */
+  socklen = (socklen_t) *namelen;
+
+  if (getpeername(uv__stream_fd(handle), name, &socklen))
+    return -errno;
+
+  *namelen = (int) socklen;
+  return 0;
+}
+
+
+int uv_tcp_listen(uv_tcp_t* tcp, int backlog, uv_connection_cb cb) {
+  static int single_accept = -1;
+  int err;
+
+  if (tcp->delayed_error)
+    return tcp->delayed_error;
+
+  if (single_accept == -1) {
+    const char* val = getenv("UV_TCP_SINGLE_ACCEPT");
+    single_accept = (val != NULL && atoi(val) != 0);  /* Off by default. */
+  }
+
+  if (single_accept)
+    tcp->flags |= UV_TCP_SINGLE_ACCEPT;
+
+  err = maybe_new_socket(tcp, AF_INET, UV_STREAM_READABLE);
+  if (err)
+    return err;
+
+  if (listen(tcp->io_watcher.fd, backlog))
+    return -errno;
+
+  tcp->connection_cb = cb;
+
+  /* Start listening for connections. */
+  tcp->io_watcher.cb = uv__server_io;
+  uv__io_start(tcp->loop, &tcp->io_watcher, UV__POLLIN);
+
+  return 0;
+}
+
+
+int uv__tcp_nodelay(int fd, int on) {
+  return setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on));
+}
+
+
+int uv__tcp_keepalive(int fd, int on, unsigned int delay) {
+  if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof(on)))
+    return -errno;
+
+#ifdef TCP_KEEPIDLE
+  if (on && setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE, &delay, sizeof(delay)))
+    return -errno;
+#endif
+
+  /* Solaris/SmartOS, if you don't support keep-alive,
+   * then don't advertise it in your system headers...
+   */
+  /* FIXME(bnoordhuis) That's possibly because sizeof(delay) should be 1. */
+#if defined(TCP_KEEPALIVE) && !defined(__sun)
+  if (on && setsockopt(fd, IPPROTO_TCP, TCP_KEEPALIVE, &delay, sizeof(delay)))
+    return -errno;
+#endif
+
+  return 0;
+}
+
+
+int uv_tcp_nodelay(uv_tcp_t* handle, int on) {
+  int err;
+
+  if (uv__stream_fd(handle) != -1) {
+    err = uv__tcp_nodelay(uv__stream_fd(handle), on);
+    if (err)
+      return err;
+  }
+
+  if (on)
+    handle->flags |= UV_TCP_NODELAY;
+  else
+    handle->flags &= ~UV_TCP_NODELAY;
+
+  return 0;
+}
+
+
+int uv_tcp_keepalive(uv_tcp_t* handle, int on, unsigned int delay) {
+  int err;
+
+  if (uv__stream_fd(handle) != -1) {
+    err =uv__tcp_keepalive(uv__stream_fd(handle), on, delay);
+    if (err)
+      return err;
+  }
+
+  if (on)
+    handle->flags |= UV_TCP_KEEPALIVE;
+  else
+    handle->flags &= ~UV_TCP_KEEPALIVE;
+
+  /* TODO Store delay if uv__stream_fd(handle) == -1 but don't want to enlarge
+   *      uv_tcp_t with an int that's almost never used...
+   */
+
+  return 0;
+}
+
+
+int uv_tcp_simultaneous_accepts(uv_tcp_t* handle, int enable) {
+  if (enable)
+    handle->flags &= ~UV_TCP_SINGLE_ACCEPT;
+  else
+    handle->flags |= UV_TCP_SINGLE_ACCEPT;
+  return 0;
+}
+
+
+void uv__tcp_close(uv_tcp_t* handle) {
+  uv__stream_close((uv_stream_t*)handle);
+}

third-party/libuv/src/unix/thread.c

@@ -0,0 +1,464 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <pthread.h>
+#include <assert.h>
+#include <errno.h>
+
+#include <sys/time.h>
+
+#undef NANOSEC
+#define NANOSEC ((uint64_t) 1e9)
+
+int uv_thread_join(uv_thread_t *tid) {
+  return -pthread_join(*tid, NULL);
+}
+
+
+int uv_mutex_init(uv_mutex_t* mutex) {
+#if defined(NDEBUG) || !defined(PTHREAD_MUTEX_ERRORCHECK)
+  return -pthread_mutex_init(mutex, NULL);
+#else
+  pthread_mutexattr_t attr;
+  int err;
+
+  if (pthread_mutexattr_init(&attr))
+    abort();
+
+  if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ERRORCHECK))
+    abort();
+
+  err = pthread_mutex_init(mutex, &attr);
+
+  if (pthread_mutexattr_destroy(&attr))
+    abort();
+
+  return -err;
+#endif
+}
+
+
+void uv_mutex_destroy(uv_mutex_t* mutex) {
+  if (pthread_mutex_destroy(mutex))
+    abort();
+}
+
+
+void uv_mutex_lock(uv_mutex_t* mutex) {
+  if (pthread_mutex_lock(mutex))
+    abort();
+}
+
+
+int uv_mutex_trylock(uv_mutex_t* mutex) {
+  int err;
+
+  /* FIXME(bnoordhuis) EAGAIN means recursive lock limit reached. Arguably
+   * a bug, should probably abort rather than return -EAGAIN.
+   */
+  err = pthread_mutex_trylock(mutex);
+  if (err && err != EBUSY && err != EAGAIN)
+    abort();
+
+  return -err;
+}
+
+
+void uv_mutex_unlock(uv_mutex_t* mutex) {
+  if (pthread_mutex_unlock(mutex))
+    abort();
+}
+
+
+int uv_rwlock_init(uv_rwlock_t* rwlock) {
+  return -pthread_rwlock_init(rwlock, NULL);
+}
+
+
+void uv_rwlock_destroy(uv_rwlock_t* rwlock) {
+  if (pthread_rwlock_destroy(rwlock))
+    abort();
+}
+
+
+void uv_rwlock_rdlock(uv_rwlock_t* rwlock) {
+  if (pthread_rwlock_rdlock(rwlock))
+    abort();
+}
+
+
+int uv_rwlock_tryrdlock(uv_rwlock_t* rwlock) {
+  int err;
+
+  err = pthread_rwlock_tryrdlock(rwlock);
+  if (err && err != EBUSY && err != EAGAIN)
+    abort();
+
+  return -err;
+}
+
+
+void uv_rwlock_rdunlock(uv_rwlock_t* rwlock) {
+  if (pthread_rwlock_unlock(rwlock))
+    abort();
+}
+
+
+void uv_rwlock_wrlock(uv_rwlock_t* rwlock) {
+  if (pthread_rwlock_wrlock(rwlock))
+    abort();
+}
+
+
+int uv_rwlock_trywrlock(uv_rwlock_t* rwlock) {
+  int err;
+
+  err = pthread_rwlock_trywrlock(rwlock);
+  if (err && err != EBUSY && err != EAGAIN)
+    abort();
+
+  return -err;
+}
+
+
+void uv_rwlock_wrunlock(uv_rwlock_t* rwlock) {
+  if (pthread_rwlock_unlock(rwlock))
+    abort();
+}
+
+
+void uv_once(uv_once_t* guard, void (*callback)(void)) {
+  if (pthread_once(guard, callback))
+    abort();
+}
+
+#if defined(__APPLE__) && defined(__MACH__)
+
+int uv_sem_init(uv_sem_t* sem, unsigned int value) {
+  kern_return_t err;
+
+  err = semaphore_create(mach_task_self(), sem, SYNC_POLICY_FIFO, value);
+  if (err == KERN_SUCCESS)
+    return 0;
+  if (err == KERN_INVALID_ARGUMENT)
+    return -EINVAL;
+  if (err == KERN_RESOURCE_SHORTAGE)
+    return -ENOMEM;
+
+  abort();
+  return -EINVAL;  /* Satisfy the compiler. */
+}
+
+
+void uv_sem_destroy(uv_sem_t* sem) {
+  if (semaphore_destroy(mach_task_self(), *sem))
+    abort();
+}
+
+
+void uv_sem_post(uv_sem_t* sem) {
+  if (semaphore_signal(*sem))
+    abort();
+}
+
+
+void uv_sem_wait(uv_sem_t* sem) {
+  int r;
+
+  do
+    r = semaphore_wait(*sem);
+  while (r == KERN_ABORTED);
+
+  if (r != KERN_SUCCESS)
+    abort();
+}
+
+
+int uv_sem_trywait(uv_sem_t* sem) {
+  mach_timespec_t interval;
+  kern_return_t err;
+
+  interval.tv_sec = 0;
+  interval.tv_nsec = 0;
+
+  err = semaphore_timedwait(*sem, interval);
+  if (err == KERN_SUCCESS)
+    return 0;
+  if (err == KERN_OPERATION_TIMED_OUT)
+    return -EAGAIN;
+
+  abort();
+  return -EINVAL;  /* Satisfy the compiler. */
+}
+
+#else /* !(defined(__APPLE__) && defined(__MACH__)) */
+
+int uv_sem_init(uv_sem_t* sem, unsigned int value) {
+  if (sem_init(sem, 0, value))
+    return -errno;
+  return 0;
+}
+
+
+void uv_sem_destroy(uv_sem_t* sem) {
+  if (sem_destroy(sem))
+    abort();
+}
+
+
+void uv_sem_post(uv_sem_t* sem) {
+  if (sem_post(sem))
+    abort();
+}
+
+
+void uv_sem_wait(uv_sem_t* sem) {
+  int r;
+
+  do
+    r = sem_wait(sem);
+  while (r == -1 && errno == EINTR);
+
+  if (r)
+    abort();
+}
+
+
+int uv_sem_trywait(uv_sem_t* sem) {
+  int r;
+
+  do
+    r = sem_trywait(sem);
+  while (r == -1 && errno == EINTR);
+
+  if (r) {
+    if (errno == EAGAIN)
+      return -EAGAIN;
+    abort();
+  }
+
+  return 0;
+}
+
+#endif /* defined(__APPLE__) && defined(__MACH__) */
+
+
+#if defined(__APPLE__) && defined(__MACH__)
+
+int uv_cond_init(uv_cond_t* cond) {
+  return -pthread_cond_init(cond, NULL);
+}
+
+#else /* !(defined(__APPLE__) && defined(__MACH__)) */
+
+int uv_cond_init(uv_cond_t* cond) {
+  pthread_condattr_t attr;
+  int err;
+
+  err = pthread_condattr_init(&attr);
+  if (err)
+    return -err;
+
+#if !defined(__ANDROID__)
+  err = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
+  if (err)
+    goto error2;
+#endif
+
+  err = pthread_cond_init(cond, &attr);
+  if (err)
+    goto error2;
+
+  err = pthread_condattr_destroy(&attr);
+  if (err)
+    goto error;
+
+  return 0;
+
+error:
+  pthread_cond_destroy(cond);
+error2:
+  pthread_condattr_destroy(&attr);
+  return -err;
+}
+
+#endif /* defined(__APPLE__) && defined(__MACH__) */
+
+void uv_cond_destroy(uv_cond_t* cond) {
+  if (pthread_cond_destroy(cond))
+    abort();
+}
+
+void uv_cond_signal(uv_cond_t* cond) {
+  if (pthread_cond_signal(cond))
+    abort();
+}
+
+void uv_cond_broadcast(uv_cond_t* cond) {
+  if (pthread_cond_broadcast(cond))
+    abort();
+}
+
+void uv_cond_wait(uv_cond_t* cond, uv_mutex_t* mutex) {
+  if (pthread_cond_wait(cond, mutex))
+    abort();
+}
+
+
+int uv_cond_timedwait(uv_cond_t* cond, uv_mutex_t* mutex, uint64_t timeout) {
+  int r;
+  struct timespec ts;
+
+#if defined(__APPLE__) && defined(__MACH__)
+  ts.tv_sec = timeout / NANOSEC;
+  ts.tv_nsec = timeout % NANOSEC;
+  r = pthread_cond_timedwait_relative_np(cond, mutex, &ts);
+#else
+  timeout += uv__hrtime(UV_CLOCK_PRECISE);
+  ts.tv_sec = timeout / NANOSEC;
+  ts.tv_nsec = timeout % NANOSEC;
+#if defined(__ANDROID__)
+  /*
+   * The bionic pthread implementation doesn't support CLOCK_MONOTONIC,
+   * but has this alternative function instead.
+   */
+  r = pthread_cond_timedwait_monotonic_np(cond, mutex, &ts);
+#else
+  r = pthread_cond_timedwait(cond, mutex, &ts);
+#endif /* __ANDROID__ */
+#endif
+
+
+  if (r == 0)
+    return 0;
+
+  if (r == ETIMEDOUT)
+    return -ETIMEDOUT;
+
+  abort();
+  return -EINVAL;  /* Satisfy the compiler. */
+}
+
+
+#if defined(__APPLE__) && defined(__MACH__)
+
+int uv_barrier_init(uv_barrier_t* barrier, unsigned int count) {
+  int err;
+
+  barrier->n = count;
+  barrier->count = 0;
+
+  err = uv_mutex_init(&barrier->mutex);
+  if (err)
+    return -err;
+
+  err = uv_sem_init(&barrier->turnstile1, 0);
+  if (err)
+    goto error2;
+
+  err = uv_sem_init(&barrier->turnstile2, 1);
+  if (err)
+    goto error;
+
+  return 0;
+
+error:
+  uv_sem_destroy(&barrier->turnstile1);
+error2:
+  uv_mutex_destroy(&barrier->mutex);
+  return -err;
+
+}
+
+
+void uv_barrier_destroy(uv_barrier_t* barrier) {
+  uv_sem_destroy(&barrier->turnstile2);
+  uv_sem_destroy(&barrier->turnstile1);
+  uv_mutex_destroy(&barrier->mutex);
+}
+
+
+void uv_barrier_wait(uv_barrier_t* barrier) {
+  uv_mutex_lock(&barrier->mutex);
+  if (++barrier->count == barrier->n) {
+    uv_sem_wait(&barrier->turnstile2);
+    uv_sem_post(&barrier->turnstile1);
+  }
+  uv_mutex_unlock(&barrier->mutex);
+
+  uv_sem_wait(&barrier->turnstile1);
+  uv_sem_post(&barrier->turnstile1);
+
+  uv_mutex_lock(&barrier->mutex);
+  if (--barrier->count == 0) {
+    uv_sem_wait(&barrier->turnstile1);
+    uv_sem_post(&barrier->turnstile2);
+  }
+  uv_mutex_unlock(&barrier->mutex);
+
+  uv_sem_wait(&barrier->turnstile2);
+  uv_sem_post(&barrier->turnstile2);
+}
+
+#else /* !(defined(__APPLE__) && defined(__MACH__)) */
+
+int uv_barrier_init(uv_barrier_t* barrier, unsigned int count) {
+  return -pthread_barrier_init(barrier, NULL, count);
+}
+
+
+void uv_barrier_destroy(uv_barrier_t* barrier) {
+  if (pthread_barrier_destroy(barrier))
+    abort();
+}
+
+
+void uv_barrier_wait(uv_barrier_t* barrier) {
+  int r = pthread_barrier_wait(barrier);
+  if (r && r != PTHREAD_BARRIER_SERIAL_THREAD)
+    abort();
+}
+
+#endif /* defined(__APPLE__) && defined(__MACH__) */
+
+int uv_key_create(uv_key_t* key) {
+  return -pthread_key_create(key, NULL);
+}
+
+
+void uv_key_delete(uv_key_t* key) {
+  if (pthread_key_delete(*key))
+    abort();
+}
+
+
+void* uv_key_get(uv_key_t* key) {
+  return pthread_getspecific(*key);
+}
+
+
+void uv_key_set(uv_key_t* key, void* value) {
+  if (pthread_setspecific(*key, value))
+    abort();
+}

third-party/libuv/src/unix/threadpool.c

@@ -0,0 +1,280 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "internal.h"
+#include <stdlib.h>
+
+#define MAX_THREADPOOL_SIZE 128
+
+static uv_once_t once = UV_ONCE_INIT;
+static uv_cond_t cond;
+static uv_mutex_t mutex;
+static unsigned int nthreads;
+static uv_thread_t* threads;
+static uv_thread_t default_threads[4];
+static QUEUE exit_message;
+static QUEUE wq;
+static volatile int initialized;
+
+
+static void uv__cancelled(struct uv__work* w) {
+  abort();
+}
+
+
+/* To avoid deadlock with uv_cancel() it's crucial that the worker
+ * never holds the global mutex and the loop-local mutex at the same time.
+ */
+static void worker(void* arg) {
+  struct uv__work* w;
+  QUEUE* q;
+
+  (void) arg;
+
+  for (;;) {
+    uv_mutex_lock(&mutex);
+
+    while (QUEUE_EMPTY(&wq))
+      uv_cond_wait(&cond, &mutex);
+
+    q = QUEUE_HEAD(&wq);
+
+    if (q == &exit_message)
+      uv_cond_signal(&cond);
+    else {
+      QUEUE_REMOVE(q);
+      QUEUE_INIT(q);  /* Signal uv_cancel() that the work req is
+                             executing. */
+    }
+
+    uv_mutex_unlock(&mutex);
+
+    if (q == &exit_message)
+      break;
+
+    w = QUEUE_DATA(q, struct uv__work, wq);
+    w->work(w);
+
+    uv_mutex_lock(&w->loop->wq_mutex);
+    w->work = NULL;  /* Signal uv_cancel() that the work req is done
+                        executing. */
+    QUEUE_INSERT_TAIL(&w->loop->wq, &w->wq);
+    uv_async_send(&w->loop->wq_async);
+    uv_mutex_unlock(&w->loop->wq_mutex);
+  }
+}
+
+
+static void post(QUEUE* q) {
+  uv_mutex_lock(&mutex);
+  QUEUE_INSERT_TAIL(&wq, q);
+  uv_cond_signal(&cond);
+  uv_mutex_unlock(&mutex);
+}
+
+
+static void init_once(void) {
+  unsigned int i;
+  const char* val;
+
+  nthreads = ARRAY_SIZE(default_threads);
+  val = getenv("UV_THREADPOOL_SIZE");
+  if (val != NULL)
+    nthreads = atoi(val);
+  if (nthreads == 0)
+    nthreads = 1;
+  if (nthreads > MAX_THREADPOOL_SIZE)
+    nthreads = MAX_THREADPOOL_SIZE;
+
+  threads = default_threads;
+  if (nthreads > ARRAY_SIZE(default_threads)) {
+    threads = malloc(nthreads * sizeof(threads[0]));
+    if (threads == NULL) {
+      nthreads = ARRAY_SIZE(default_threads);
+      threads = default_threads;
+    }
+  }
+
+  if (uv_cond_init(&cond))
+    abort();
+
+  if (uv_mutex_init(&mutex))
+    abort();
+
+  QUEUE_INIT(&wq);
+
+  for (i = 0; i < nthreads; i++)
+    if (uv_thread_create(threads + i, worker, NULL))
+      abort();
+
+  initialized = 1;
+}
+
+
+UV_DESTRUCTOR(static void cleanup(void)) {
+  unsigned int i;
+
+  if (initialized == 0)
+    return;
+
+  post(&exit_message);
+
+  for (i = 0; i < nthreads; i++)
+    if (uv_thread_join(threads + i))
+      abort();
+
+  if (threads != default_threads)
+    free(threads);
+
+  uv_mutex_destroy(&mutex);
+  uv_cond_destroy(&cond);
+
+  threads = NULL;
+  nthreads = 0;
+  initialized = 0;
+}
+
+
+void uv__work_submit(uv_loop_t* loop,
+                     struct uv__work* w,
+                     void (*work)(struct uv__work* w),
+                     void (*done)(struct uv__work* w, int status)) {
+  uv_once(&once, init_once);
+  w->loop = loop;
+  w->work = work;
+  w->done = done;
+  post(&w->wq);
+}
+
+
+static int uv__work_cancel(uv_loop_t* loop, uv_req_t* req, struct uv__work* w) {
+  int cancelled;
+
+  uv_mutex_lock(&mutex);
+  uv_mutex_lock(&w->loop->wq_mutex);
+
+  cancelled = !QUEUE_EMPTY(&w->wq) && w->work != NULL;
+  if (cancelled)
+    QUEUE_REMOVE(&w->wq);
+
+  uv_mutex_unlock(&w->loop->wq_mutex);
+  uv_mutex_unlock(&mutex);
+
+  if (!cancelled)
+    return -EBUSY;
+
+  w->work = uv__cancelled;
+  uv_mutex_lock(&loop->wq_mutex);
+  QUEUE_INSERT_TAIL(&loop->wq, &w->wq);
+  uv_async_send(&loop->wq_async);
+  uv_mutex_unlock(&loop->wq_mutex);
+
+  return 0;
+}
+
+
+void uv__work_done(uv_async_t* handle, int status) {
+  struct uv__work* w;
+  uv_loop_t* loop;
+  QUEUE* q;
+  QUEUE wq;
+  int err;
+
+  loop = container_of(handle, uv_loop_t, wq_async);
+  QUEUE_INIT(&wq);
+
+  uv_mutex_lock(&loop->wq_mutex);
+  if (!QUEUE_EMPTY(&loop->wq)) {
+    q = QUEUE_HEAD(&loop->wq);
+    QUEUE_SPLIT(&loop->wq, q, &wq);
+  }
+  uv_mutex_unlock(&loop->wq_mutex);
+
+  while (!QUEUE_EMPTY(&wq)) {
+    q = QUEUE_HEAD(&wq);
+    QUEUE_REMOVE(q);
+
+    w = container_of(q, struct uv__work, wq);
+    err = (w->work == uv__cancelled) ? -ECANCELED : 0;
+    w->done(w, err);
+  }
+}
+
+
+static void uv__queue_work(struct uv__work* w) {
+  uv_work_t* req = container_of(w, uv_work_t, work_req);
+
+  req->work_cb(req);
+}
+
+
+static void uv__queue_done(struct uv__work* w, int err) {
+  uv_work_t* req;
+
+  req = container_of(w, uv_work_t, work_req);
+  uv__req_unregister(req->loop, req);
+
+  if (req->after_work_cb == NULL)
+    return;
+
+  req->after_work_cb(req, err);
+}
+
+
+int uv_queue_work(uv_loop_t* loop,
+                  uv_work_t* req,
+                  uv_work_cb work_cb,
+                  uv_after_work_cb after_work_cb) {
+  if (work_cb == NULL)
+    return -EINVAL;
+
+  uv__req_init(loop, req, UV_WORK);
+  req->loop = loop;
+  req->work_cb = work_cb;
+  req->after_work_cb = after_work_cb;
+  uv__work_submit(loop, &req->work_req, uv__queue_work, uv__queue_done);
+  return 0;
+}
+
+
+int uv_cancel(uv_req_t* req) {
+  struct uv__work* wreq;
+  uv_loop_t* loop;
+
+  switch (req->type) {
+  case UV_FS:
+    loop =  ((uv_fs_t*) req)->loop;
+    wreq = &((uv_fs_t*) req)->work_req;
+    break;
+  case UV_GETADDRINFO:
+    loop =  ((uv_getaddrinfo_t*) req)->loop;
+    wreq = &((uv_getaddrinfo_t*) req)->work_req;
+    break;
+  case UV_WORK:
+    loop =  ((uv_work_t*) req)->loop;
+    wreq = &((uv_work_t*) req)->work_req;
+    break;
+  default:
+    return -EINVAL;
+  }
+
+  return uv__work_cancel(loop, req, wreq);
+}

third-party/libuv/src/unix/timer.c

@@ -0,0 +1,153 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+#include <assert.h>
+#include <limits.h>
+
+
+static int uv__timer_cmp(const uv_timer_t* a, const uv_timer_t* b) {
+  if (a->timeout < b->timeout)
+    return -1;
+  if (a->timeout > b->timeout)
+    return 1;
+  /*
+   *  compare start_id when both has the same timeout. start_id is
+   *  allocated with loop->timer_counter in uv_timer_start().
+   */
+  if (a->start_id < b->start_id)
+    return -1;
+  if (a->start_id > b->start_id)
+    return 1;
+  return 0;
+}
+
+
+RB_GENERATE_STATIC(uv__timers, uv_timer_s, tree_entry, uv__timer_cmp)
+
+
+int uv_timer_init(uv_loop_t* loop, uv_timer_t* handle) {
+  uv__handle_init(loop, (uv_handle_t*)handle, UV_TIMER);
+  handle->timer_cb = NULL;
+  handle->repeat = 0;
+
+  return 0;
+}
+
+
+int uv_timer_start(uv_timer_t* handle,
+                   uv_timer_cb cb,
+                   uint64_t timeout,
+                   uint64_t repeat) {
+  uint64_t clamped_timeout;
+
+  if (uv__is_active(handle))
+    uv_timer_stop(handle);
+
+  clamped_timeout = handle->loop->time + timeout;
+  if (clamped_timeout < timeout)
+    clamped_timeout = (uint64_t) -1;
+
+  handle->timer_cb = cb;
+  handle->timeout = clamped_timeout;
+  handle->repeat = repeat;
+  /* start_id is the second index to be compared in uv__timer_cmp() */
+  handle->start_id = handle->loop->timer_counter++;
+
+  RB_INSERT(uv__timers, &handle->loop->timer_handles, handle);
+  uv__handle_start(handle);
+
+  return 0;
+}
+
+
+int uv_timer_stop(uv_timer_t* handle) {
+  if (!uv__is_active(handle))
+    return 0;
+
+  RB_REMOVE(uv__timers, &handle->loop->timer_handles, handle);
+  uv__handle_stop(handle);
+
+  return 0;
+}
+
+
+int uv_timer_again(uv_timer_t* handle) {
+  if (handle->timer_cb == NULL)
+    return -EINVAL;
+
+  if (handle->repeat) {
+    uv_timer_stop(handle);
+    uv_timer_start(handle, handle->timer_cb, handle->repeat, handle->repeat);
+  }
+
+  return 0;
+}
+
+
+void uv_timer_set_repeat(uv_timer_t* handle, uint64_t repeat) {
+  handle->repeat = repeat;
+}
+
+
+uint64_t uv_timer_get_repeat(const uv_timer_t* handle) {
+  return handle->repeat;
+}
+
+
+int uv__next_timeout(const uv_loop_t* loop) {
+  const uv_timer_t* handle;
+  uint64_t diff;
+
+  /* RB_MIN expects a non-const tree root. That's okay, it doesn't modify it. */
+  handle = RB_MIN(uv__timers, (struct uv__timers*) &loop->timer_handles);
+
+  if (handle == NULL)
+    return -1; /* block indefinitely */
+
+  if (handle->timeout <= loop->time)
+    return 0;
+
+  diff = handle->timeout - loop->time;
+  if (diff > INT_MAX)
+    diff = INT_MAX;
+
+  return diff;
+}
+
+
+void uv__run_timers(uv_loop_t* loop) {
+  uv_timer_t* handle;
+
+  while ((handle = RB_MIN(uv__timers, &loop->timer_handles))) {
+    if (handle->timeout > loop->time)
+      break;
+
+    uv_timer_stop(handle);
+    uv_timer_again(handle);
+    handle->timer_cb(handle, 0);
+  }
+}
+
+
+void uv__timer_close(uv_timer_t* handle) {
+  uv_timer_stop(handle);
+}

third-party/libuv/src/unix/tty.c

@@ -0,0 +1,184 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+#include "spinlock.h"
+
+#include <assert.h>
+#include <unistd.h>
+#include <termios.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+
+static int orig_termios_fd = -1;
+static struct termios orig_termios;
+static uv_spinlock_t termios_spinlock = UV_SPINLOCK_INITIALIZER;
+
+
+int uv_tty_init(uv_loop_t* loop, uv_tty_t* tty, int fd, int readable) {
+  uv__stream_init(loop, (uv_stream_t*)tty, UV_TTY);
+
+#if defined(__APPLE__)
+  {
+    int err = uv__stream_try_select((uv_stream_t*) tty, &fd);
+    if (err)
+      return err;
+  }
+#endif /* defined(__APPLE__) */
+
+  if (readable) {
+    uv__nonblock(fd, 1);
+    uv__stream_open((uv_stream_t*)tty, fd, UV_STREAM_READABLE);
+  } else {
+    /* Note: writable tty we set to blocking mode. */
+    uv__stream_open((uv_stream_t*)tty, fd, UV_STREAM_WRITABLE);
+    tty->flags |= UV_STREAM_BLOCKING;
+  }
+
+  tty->mode = 0;
+  return 0;
+}
+
+
+int uv_tty_set_mode(uv_tty_t* tty, int mode) {
+  struct termios raw;
+  int fd;
+
+  fd = uv__stream_fd(tty);
+
+  if (mode && tty->mode == 0) {  /* on */
+    if (tcgetattr(fd, &tty->orig_termios))
+      return -errno;
+
+    /* This is used for uv_tty_reset_mode() */
+    uv_spinlock_lock(&termios_spinlock);
+    if (orig_termios_fd == -1) {
+      orig_termios = tty->orig_termios;
+      orig_termios_fd = fd;
+    }
+    uv_spinlock_unlock(&termios_spinlock);
+
+    raw = tty->orig_termios;
+    raw.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
+    raw.c_oflag |= (ONLCR);
+    raw.c_cflag |= (CS8);
+    raw.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG);
+    raw.c_cc[VMIN] = 1;
+    raw.c_cc[VTIME] = 0;
+
+    /* Put terminal in raw mode after draining */
+    if (tcsetattr(fd, TCSADRAIN, &raw))
+      return -errno;
+
+    tty->mode = 1;
+  } else if (mode == 0 && tty->mode) {  /* off */
+    /* Put terminal in original mode after flushing */
+    if (tcsetattr(fd, TCSAFLUSH, &tty->orig_termios))
+      return -errno;
+    tty->mode = 0;
+  }
+
+  return 0;
+}
+
+
+int uv_tty_get_winsize(uv_tty_t* tty, int* width, int* height) {
+  struct winsize ws;
+
+  if (ioctl(uv__stream_fd(tty), TIOCGWINSZ, &ws))
+    return -errno;
+
+  *width = ws.ws_col;
+  *height = ws.ws_row;
+
+  return 0;
+}
+
+
+uv_handle_type uv_guess_handle(uv_file file) {
+  struct sockaddr sa;
+  struct stat s;
+  socklen_t len;
+  int type;
+
+  if (file < 0)
+    return UV_UNKNOWN_HANDLE;
+
+  if (isatty(file))
+    return UV_TTY;
+
+  if (fstat(file, &s))
+    return UV_UNKNOWN_HANDLE;
+
+  if (S_ISREG(s.st_mode))
+    return UV_FILE;
+
+  if (S_ISCHR(s.st_mode))
+    return UV_FILE;  /* XXX UV_NAMED_PIPE? */
+
+  if (S_ISFIFO(s.st_mode))
+    return UV_NAMED_PIPE;
+
+  if (!S_ISSOCK(s.st_mode))
+    return UV_UNKNOWN_HANDLE;
+
+  len = sizeof(type);
+  if (getsockopt(file, SOL_SOCKET, SO_TYPE, &type, &len))
+    return UV_UNKNOWN_HANDLE;
+
+  len = sizeof(sa);
+  if (getsockname(file, &sa, &len))
+    return UV_UNKNOWN_HANDLE;
+
+  if (type == SOCK_DGRAM)
+    if (sa.sa_family == AF_INET || sa.sa_family == AF_INET6)
+      return UV_UDP;
+
+  if (type == SOCK_STREAM) {
+    if (sa.sa_family == AF_INET || sa.sa_family == AF_INET6)
+      return UV_TCP;
+    if (sa.sa_family == AF_UNIX)
+      return UV_NAMED_PIPE;
+  }
+
+  return UV_UNKNOWN_HANDLE;
+}
+
+
+/* This function is async signal-safe, meaning that it's safe to call from
+ * inside a signal handler _unless_ execution was inside uv_tty_set_mode()'s
+ * critical section when the signal was raised.
+ */
+int uv_tty_reset_mode(void) {
+  int err;
+
+  if (!uv_spinlock_trylock(&termios_spinlock))
+    return -EBUSY;  /* In uv_tty_set_mode(). */
+
+  err = 0;
+  if (orig_termios_fd != -1)
+    if (tcsetattr(orig_termios_fd, TCSANOW, &orig_termios))
+      err = -errno;
+
+  uv_spinlock_unlock(&termios_spinlock);
+  return err;
+}

third-party/libuv/src/unix/udp.c

@@ -0,0 +1,595 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <assert.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+static void uv__udp_run_completed(uv_udp_t* handle);
+static void uv__udp_run_pending(uv_udp_t* handle);
+static void uv__udp_io(uv_loop_t* loop, uv__io_t* w, unsigned int revents);
+static void uv__udp_recvmsg(uv_loop_t* loop, uv__io_t* w, unsigned int revents);
+static void uv__udp_sendmsg(uv_loop_t* loop, uv__io_t* w, unsigned int revents);
+static int uv__udp_maybe_deferred_bind(uv_udp_t* handle, int domain);
+
+
+void uv__udp_close(uv_udp_t* handle) {
+  uv__io_close(handle->loop, &handle->io_watcher);
+  uv__handle_stop(handle);
+
+  if (handle->io_watcher.fd != -1) {
+    uv__close(handle->io_watcher.fd);
+    handle->io_watcher.fd = -1;
+  }
+}
+
+
+void uv__udp_finish_close(uv_udp_t* handle) {
+  uv_udp_send_t* req;
+  QUEUE* q;
+
+  assert(!uv__io_active(&handle->io_watcher, UV__POLLIN | UV__POLLOUT));
+  assert(handle->io_watcher.fd == -1);
+
+  uv__udp_run_completed(handle);
+
+  while (!QUEUE_EMPTY(&handle->write_queue)) {
+    q = QUEUE_HEAD(&handle->write_queue);
+    QUEUE_REMOVE(q);
+
+    req = QUEUE_DATA(q, uv_udp_send_t, queue);
+    uv__req_unregister(handle->loop, req);
+
+    if (req->bufs != req->bufsml)
+      free(req->bufs);
+    req->bufs = NULL;
+
+    if (req->send_cb != NULL)
+      req->send_cb(req, -ECANCELED);
+  }
+
+  /* Now tear down the handle. */
+  handle->recv_cb = NULL;
+  handle->alloc_cb = NULL;
+  /* but _do not_ touch close_cb */
+}
+
+
+static void uv__udp_run_pending(uv_udp_t* handle) {
+  uv_udp_send_t* req;
+  QUEUE* q;
+  struct msghdr h;
+  ssize_t size;
+
+  while (!QUEUE_EMPTY(&handle->write_queue)) {
+    q = QUEUE_HEAD(&handle->write_queue);
+    assert(q != NULL);
+
+    req = QUEUE_DATA(q, uv_udp_send_t, queue);
+    assert(req != NULL);
+
+    memset(&h, 0, sizeof h);
+    h.msg_name = &req->addr;
+    h.msg_namelen = (req->addr.sin6_family == AF_INET6 ?
+      sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in));
+    h.msg_iov = (struct iovec*) req->bufs;
+    h.msg_iovlen = req->nbufs;
+
+    do {
+      size = sendmsg(handle->io_watcher.fd, &h, 0);
+    }
+    while (size == -1 && errno == EINTR);
+
+    /* TODO try to write once or twice more in the
+     * hope that the socket becomes readable again?
+     */
+    if (size == -1 && (errno == EAGAIN || errno == EWOULDBLOCK))
+      break;
+
+    req->status = (size == -1 ? -errno : size);
+
+    /* Sending a datagram is an atomic operation: either all data
+     * is written or nothing is (and EMSGSIZE is raised). That is
+     * why we don't handle partial writes. Just pop the request
+     * off the write queue and onto the completed queue, done.
+     */
+    QUEUE_REMOVE(&req->queue);
+    QUEUE_INSERT_TAIL(&handle->write_completed_queue, &req->queue);
+  }
+}
+
+
+static void uv__udp_run_completed(uv_udp_t* handle) {
+  uv_udp_send_t* req;
+  QUEUE* q;
+
+  while (!QUEUE_EMPTY(&handle->write_completed_queue)) {
+    q = QUEUE_HEAD(&handle->write_completed_queue);
+    QUEUE_REMOVE(q);
+
+    req = QUEUE_DATA(q, uv_udp_send_t, queue);
+    uv__req_unregister(handle->loop, req);
+
+    if (req->bufs != req->bufsml)
+      free(req->bufs);
+    req->bufs = NULL;
+
+    if (req->send_cb == NULL)
+      continue;
+
+    /* req->status >= 0 == bytes written
+     * req->status <  0 == errno
+     */
+    if (req->status >= 0)
+      req->send_cb(req, 0);
+    else
+      req->send_cb(req, req->status);
+  }
+}
+
+
+static void uv__udp_io(uv_loop_t* loop, uv__io_t* w, unsigned int revents) {
+  if (revents & UV__POLLIN)
+    uv__udp_recvmsg(loop, w, revents);
+
+  if (revents & UV__POLLOUT)
+    uv__udp_sendmsg(loop, w, revents);
+}
+
+
+static void uv__udp_recvmsg(uv_loop_t* loop,
+                            uv__io_t* w,
+                            unsigned int revents) {
+  struct sockaddr_storage peer;
+  struct msghdr h;
+  uv_udp_t* handle;
+  ssize_t nread;
+  uv_buf_t buf;
+  int flags;
+  int count;
+
+  handle = container_of(w, uv_udp_t, io_watcher);
+  assert(handle->type == UV_UDP);
+  assert(revents & UV__POLLIN);
+
+  assert(handle->recv_cb != NULL);
+  assert(handle->alloc_cb != NULL);
+
+  /* Prevent loop starvation when the data comes in as fast as (or faster than)
+   * we can read it. XXX Need to rearm fd if we switch to edge-triggered I/O.
+   */
+  count = 32;
+
+  memset(&h, 0, sizeof(h));
+  h.msg_name = &peer;
+
+  do {
+    handle->alloc_cb((uv_handle_t*) handle, 64 * 1024, &buf);
+    if (buf.len == 0) {
+      handle->recv_cb(handle, UV_ENOBUFS, &buf, NULL, 0);
+      return;
+    }
+    assert(buf.base != NULL);
+
+    h.msg_namelen = sizeof(peer);
+    h.msg_iov = (void*) &buf;
+    h.msg_iovlen = 1;
+
+    do {
+      nread = recvmsg(handle->io_watcher.fd, &h, 0);
+    }
+    while (nread == -1 && errno == EINTR);
+
+    if (nread == -1) {
+      if (errno == EAGAIN || errno == EWOULDBLOCK)
+        handle->recv_cb(handle, 0, &buf, NULL, 0);
+      else
+        handle->recv_cb(handle, -errno, &buf, NULL, 0);
+    }
+    else {
+      flags = 0;
+
+      if (h.msg_flags & MSG_TRUNC)
+        flags |= UV_UDP_PARTIAL;
+
+      handle->recv_cb(handle,
+                      nread,
+                      &buf,
+                      (const struct sockaddr*) &peer,
+                      flags);
+    }
+  }
+  /* recv_cb callback may decide to pause or close the handle */
+  while (nread != -1
+      && count-- > 0
+      && handle->io_watcher.fd != -1
+      && handle->recv_cb != NULL);
+}
+
+
+static void uv__udp_sendmsg(uv_loop_t* loop,
+                            uv__io_t* w,
+                            unsigned int revents) {
+  uv_udp_t* handle;
+
+  handle = container_of(w, uv_udp_t, io_watcher);
+  assert(handle->type == UV_UDP);
+  assert(revents & UV__POLLOUT);
+
+  assert(!QUEUE_EMPTY(&handle->write_queue)
+      || !QUEUE_EMPTY(&handle->write_completed_queue));
+
+  /* Write out pending data first. */
+  uv__udp_run_pending(handle);
+
+  /* Drain 'request completed' queue. */
+  uv__udp_run_completed(handle);
+
+  if (!QUEUE_EMPTY(&handle->write_completed_queue)) {
+    /* Schedule completion callbacks. */
+    uv__io_feed(handle->loop, &handle->io_watcher);
+  }
+  else if (QUEUE_EMPTY(&handle->write_queue)) {
+    /* Pending queue and completion queue empty, stop watcher. */
+    uv__io_stop(loop, &handle->io_watcher, UV__POLLOUT);
+
+    if (!uv__io_active(&handle->io_watcher, UV__POLLIN))
+      uv__handle_stop(handle);
+  }
+}
+
+
+/* On the BSDs, SO_REUSEPORT implies SO_REUSEADDR but with some additional
+ * refinements for programs that use multicast.
+ *
+ * Linux as of 3.9 has a SO_REUSEPORT socket option but with semantics that
+ * are different from the BSDs: it _shares_ the port rather than steal it
+ * from the current listener.  While useful, it's not something we can emulate
+ * on other platforms so we don't enable it.
+ */
+static int uv__set_reuse(int fd) {
+  int yes;
+
+#if defined(SO_REUSEPORT) && !defined(__linux__)
+  yes = 1;
+  if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &yes, sizeof(yes)))
+    return -errno;
+#else
+  yes = 1;
+  if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)))
+    return -errno;
+#endif
+
+  return 0;
+}
+
+
+int uv__udp_bind(uv_udp_t* handle,
+                 const struct sockaddr* addr,
+                 unsigned int addrlen,
+                 unsigned int flags) {
+  int err;
+  int yes;
+  int fd;
+
+  err = -EINVAL;
+  fd = -1;
+
+  /* Check for bad flags. */
+  if (flags & ~UV_UDP_IPV6ONLY)
+    return -EINVAL;
+
+  /* Cannot set IPv6-only mode on non-IPv6 socket. */
+  if ((flags & UV_UDP_IPV6ONLY) && addr->sa_family != AF_INET6)
+    return -EINVAL;
+
+  fd = handle->io_watcher.fd;
+  if (fd == -1) {
+    fd = uv__socket(addr->sa_family, SOCK_DGRAM, 0);
+    if (fd == -1)
+      return -errno;
+    handle->io_watcher.fd = fd;
+  }
+
+  err = uv__set_reuse(fd);
+  if (err)
+    goto out;
+
+  if (flags & UV_UDP_IPV6ONLY) {
+#ifdef IPV6_V6ONLY
+    yes = 1;
+    if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &yes, sizeof yes) == -1) {
+      err = -errno;
+      goto out;
+    }
+#else
+    err = -ENOTSUP;
+    goto out;
+#endif
+  }
+
+  if (bind(fd, addr, addrlen)) {
+    err = -errno;
+    goto out;
+  }
+
+  return 0;
+
+out:
+  uv__close(handle->io_watcher.fd);
+  handle->io_watcher.fd = -1;
+  return err;
+}
+
+
+static int uv__udp_maybe_deferred_bind(uv_udp_t* handle, int domain) {
+  unsigned char taddr[sizeof(struct sockaddr_in6)];
+  socklen_t addrlen;
+
+  assert(domain == AF_INET || domain == AF_INET6);
+
+  if (handle->io_watcher.fd != -1)
+    return 0;
+
+  switch (domain) {
+  case AF_INET:
+  {
+    struct sockaddr_in* addr = (void*)&taddr;
+    memset(addr, 0, sizeof *addr);
+    addr->sin_family = AF_INET;
+    addr->sin_addr.s_addr = INADDR_ANY;
+    addrlen = sizeof *addr;
+    break;
+  }
+  case AF_INET6:
+  {
+    struct sockaddr_in6* addr = (void*)&taddr;
+    memset(addr, 0, sizeof *addr);
+    addr->sin6_family = AF_INET6;
+    addr->sin6_addr = in6addr_any;
+    addrlen = sizeof *addr;
+    break;
+  }
+  default:
+    assert(0 && "unsupported address family");
+    abort();
+  }
+
+  return uv__udp_bind(handle, (const struct sockaddr*) &taddr, addrlen, 0);
+}
+
+
+int uv__udp_send(uv_udp_send_t* req,
+                 uv_udp_t* handle,
+                 const uv_buf_t bufs[],
+                 unsigned int nbufs,
+                 const struct sockaddr* addr,
+                 unsigned int addrlen,
+                 uv_udp_send_cb send_cb) {
+  int err;
+
+  assert(nbufs > 0);
+
+  err = uv__udp_maybe_deferred_bind(handle, addr->sa_family);
+  if (err)
+    return err;
+
+  uv__req_init(handle->loop, req, UV_UDP_SEND);
+
+  assert(addrlen <= sizeof(req->addr));
+  memcpy(&req->addr, addr, addrlen);
+  req->send_cb = send_cb;
+  req->handle = handle;
+  req->nbufs = nbufs;
+
+  req->bufs = req->bufsml;
+  if (nbufs > ARRAY_SIZE(req->bufsml))
+    req->bufs = malloc(nbufs * sizeof(bufs[0]));
+
+  if (req->bufs == NULL)
+    return -ENOMEM;
+
+  memcpy(req->bufs, bufs, nbufs * sizeof(bufs[0]));
+  QUEUE_INSERT_TAIL(&handle->write_queue, &req->queue);
+  uv__io_start(handle->loop, &handle->io_watcher, UV__POLLOUT);
+  uv__handle_start(handle);
+
+  return 0;
+}
+
+
+int uv_udp_init(uv_loop_t* loop, uv_udp_t* handle) {
+  uv__handle_init(loop, (uv_handle_t*)handle, UV_UDP);
+  handle->alloc_cb = NULL;
+  handle->recv_cb = NULL;
+  uv__io_init(&handle->io_watcher, uv__udp_io, -1);
+  QUEUE_INIT(&handle->write_queue);
+  QUEUE_INIT(&handle->write_completed_queue);
+  return 0;
+}
+
+
+int uv_udp_open(uv_udp_t* handle, uv_os_sock_t sock) {
+  int err;
+
+  /* Check for already active socket. */
+  if (handle->io_watcher.fd != -1)
+    return -EALREADY;  /* FIXME(bnoordhuis) Should be -EBUSY. */
+
+  err = uv__set_reuse(sock);
+  if (err)
+    return err;
+
+  handle->io_watcher.fd = sock;
+  return 0;
+}
+
+
+int uv_udp_set_membership(uv_udp_t* handle,
+                          const char* multicast_addr,
+                          const char* interface_addr,
+                          uv_membership membership) {
+  struct ip_mreq mreq;
+  int optname;
+
+  memset(&mreq, 0, sizeof mreq);
+
+  if (interface_addr) {
+    mreq.imr_interface.s_addr = inet_addr(interface_addr);
+  } else {
+    mreq.imr_interface.s_addr = htonl(INADDR_ANY);
+  }
+
+  mreq.imr_multiaddr.s_addr = inet_addr(multicast_addr);
+
+  switch (membership) {
+  case UV_JOIN_GROUP:
+    optname = IP_ADD_MEMBERSHIP;
+    break;
+  case UV_LEAVE_GROUP:
+    optname = IP_DROP_MEMBERSHIP;
+    break;
+  default:
+    return -EINVAL;
+  }
+
+  if (setsockopt(handle->io_watcher.fd,
+                 IPPROTO_IP,
+                 optname,
+                 &mreq,
+                 sizeof(mreq))) {
+    return -errno;
+  }
+
+  return 0;
+}
+
+
+static int uv__setsockopt_maybe_char(uv_udp_t* handle, int option, int val) {
+#if defined(__sun)
+  char arg = val;
+#else
+  int arg = val;
+#endif
+
+  if (val < 0 || val > 255)
+    return -EINVAL;
+
+  if (setsockopt(handle->io_watcher.fd, IPPROTO_IP, option, &arg, sizeof(arg)))
+    return -errno;
+
+  return 0;
+}
+
+
+int uv_udp_set_broadcast(uv_udp_t* handle, int on) {
+  if (setsockopt(handle->io_watcher.fd,
+                 SOL_SOCKET,
+                 SO_BROADCAST,
+                 &on,
+                 sizeof(on))) {
+    return -errno;
+  }
+
+  return 0;
+}
+
+
+int uv_udp_set_ttl(uv_udp_t* handle, int ttl) {
+  if (ttl < 1 || ttl > 255)
+    return -EINVAL;
+
+  if (setsockopt(handle->io_watcher.fd, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl)))
+    return -errno;
+
+  return 0;
+}
+
+
+int uv_udp_set_multicast_ttl(uv_udp_t* handle, int ttl) {
+  return uv__setsockopt_maybe_char(handle, IP_MULTICAST_TTL, ttl);
+}
+
+
+int uv_udp_set_multicast_loop(uv_udp_t* handle, int on) {
+  return uv__setsockopt_maybe_char(handle, IP_MULTICAST_LOOP, on);
+}
+
+
+int uv_udp_getsockname(uv_udp_t* handle, struct sockaddr* name, int* namelen) {
+  socklen_t socklen;
+
+  if (handle->io_watcher.fd == -1)
+    return -EINVAL;  /* FIXME(bnoordhuis) -EBADF */
+
+  /* sizeof(socklen_t) != sizeof(int) on some systems. */
+  socklen = (socklen_t) *namelen;
+
+  if (getsockname(handle->io_watcher.fd, name, &socklen))
+    return -errno;
+
+  *namelen = (int) socklen;
+  return 0;
+}
+
+
+int uv__udp_recv_start(uv_udp_t* handle,
+                       uv_alloc_cb alloc_cb,
+                       uv_udp_recv_cb recv_cb) {
+  int err;
+
+  if (alloc_cb == NULL || recv_cb == NULL)
+    return -EINVAL;
+
+  if (uv__io_active(&handle->io_watcher, UV__POLLIN))
+    return -EALREADY;  /* FIXME(bnoordhuis) Should be -EBUSY. */
+
+  err = uv__udp_maybe_deferred_bind(handle, AF_INET);
+  if (err)
+    return err;
+
+  handle->alloc_cb = alloc_cb;
+  handle->recv_cb = recv_cb;
+
+  uv__io_start(handle->loop, &handle->io_watcher, UV__POLLIN);
+  uv__handle_start(handle);
+
+  return 0;
+}
+
+
+int uv__udp_recv_stop(uv_udp_t* handle) {
+  uv__io_stop(handle->loop, &handle->io_watcher, UV__POLLIN);
+
+  if (!uv__io_active(&handle->io_watcher, UV__POLLOUT))
+    uv__handle_stop(handle);
+
+  handle->alloc_cb = NULL;
+  handle->recv_cb = NULL;
+
+  return 0;
+}

third-party/libuv/src/unix/uv-dtrace.d

@@ -0,0 +1,25 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+provider uv {
+  probe tick__start(void* loop, int mode);
+  probe tick__stop(void* loop, int mode);
+};

third-party/libuv/src/uv-common.c

@@ -0,0 +1,446 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/* Expose glibc-specific EAI_* error codes. Needs to be defined before we
+ * include any headers.
+ */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE
+#endif
+
+#include "uv.h"
+#include "uv-common.h"
+
+#include <stdio.h>
+#include <assert.h>
+#include <stddef.h> /* NULL */
+#include <stdlib.h> /* malloc */
+#include <string.h> /* memset */
+
+#if defined(UV_PLATFORM_HAS_IP6_LINK_LOCAL_ADDRESS) && !defined(_WIN32)
+# include <net/if.h> /* if_nametoindex */
+#endif
+
+/* EAI_* constants. */
+#if !defined(_WIN32)
+# include <sys/types.h>
+# include <sys/socket.h>
+# include <netdb.h>
+#endif
+
+#define XX(uc, lc) case UV_##uc: return sizeof(uv_##lc##_t);
+
+size_t uv_handle_size(uv_handle_type type) {
+  switch (type) {
+    UV_HANDLE_TYPE_MAP(XX)
+    default:
+      return -1;
+  }
+}
+
+size_t uv_req_size(uv_req_type type) {
+  switch(type) {
+    UV_REQ_TYPE_MAP(XX)
+    default:
+      return -1;
+  }
+}
+
+#undef XX
+
+
+uv_buf_t uv_buf_init(char* base, unsigned int len) {
+  uv_buf_t buf;
+  buf.base = base;
+  buf.len = len;
+  return buf;
+}
+
+
+#define UV_ERR_NAME_GEN(name, _) case UV_ ## name: return #name;
+const char* uv_err_name(int err) {
+  switch (err) {
+    UV_ERRNO_MAP(UV_ERR_NAME_GEN)
+    default:
+      assert(0);
+      return NULL;
+  }
+}
+#undef UV_ERR_NAME_GEN
+
+
+#define UV_STRERROR_GEN(name, msg) case UV_ ## name: return msg;
+const char* uv_strerror(int err) {
+  switch (err) {
+    UV_ERRNO_MAP(UV_STRERROR_GEN)
+    default:
+      return "Unknown system error";
+  }
+}
+#undef UV_STRERROR_GEN
+
+
+int uv_ip4_addr(const char* ip, int port, struct sockaddr_in* addr) {
+  memset(addr, 0, sizeof(*addr));
+  addr->sin_family = AF_INET;
+  addr->sin_port = htons(port);
+  return uv_inet_pton(AF_INET, ip, &(addr->sin_addr.s_addr));
+}
+
+
+int uv_ip6_addr(const char* ip, int port, struct sockaddr_in6* addr) {
+#if defined(UV_PLATFORM_HAS_IP6_LINK_LOCAL_ADDRESS)
+  char address_part[40];
+  size_t address_part_size;
+  const char* zone_index;
+#endif
+
+  memset(addr, 0, sizeof(*addr));
+  addr->sin6_family = AF_INET6;
+  addr->sin6_port = htons(port);
+
+#if defined(UV_PLATFORM_HAS_IP6_LINK_LOCAL_ADDRESS)
+  zone_index = strchr(ip, '%');
+  if (zone_index != NULL) {
+    address_part_size = zone_index - ip;
+    if (address_part_size >= sizeof(address_part))
+      address_part_size = sizeof(address_part) - 1;
+
+    memcpy(address_part, ip, address_part_size);
+    address_part[address_part_size] = '\0';
+    ip = address_part;
+
+    zone_index++; /* skip '%' */
+    /* NOTE: unknown interface (id=0) is silently ignored */
+#ifdef _WIN32
+    addr->sin6_scope_id = atoi(zone_index);
+#else
+    addr->sin6_scope_id = if_nametoindex(zone_index);
+#endif
+  }
+#endif
+
+  return uv_inet_pton(AF_INET6, ip, &addr->sin6_addr);
+}
+
+
+int uv_ip4_name(struct sockaddr_in* src, char* dst, size_t size) {
+  return uv_inet_ntop(AF_INET, &src->sin_addr, dst, size);
+}
+
+
+int uv_ip6_name(struct sockaddr_in6* src, char* dst, size_t size) {
+  return uv_inet_ntop(AF_INET6, &src->sin6_addr, dst, size);
+}
+
+
+int uv_tcp_bind(uv_tcp_t* handle,
+                const struct sockaddr* addr,
+                unsigned int flags) {
+  unsigned int addrlen;
+
+  if (handle->type != UV_TCP)
+    return UV_EINVAL;
+
+  if (addr->sa_family == AF_INET)
+    addrlen = sizeof(struct sockaddr_in);
+  else if (addr->sa_family == AF_INET6)
+    addrlen = sizeof(struct sockaddr_in6);
+  else
+    return UV_EINVAL;
+
+  return uv__tcp_bind(handle, addr, addrlen, flags);
+}
+
+
+int uv_udp_bind(uv_udp_t* handle,
+                const struct sockaddr* addr,
+                unsigned int flags) {
+  unsigned int addrlen;
+
+  if (handle->type != UV_UDP)
+    return UV_EINVAL;
+
+  if (addr->sa_family == AF_INET)
+    addrlen = sizeof(struct sockaddr_in);
+  else if (addr->sa_family == AF_INET6)
+    addrlen = sizeof(struct sockaddr_in6);
+  else
+    return UV_EINVAL;
+
+  return uv__udp_bind(handle, addr, addrlen, flags);
+}
+
+
+int uv_tcp_connect(uv_connect_t* req,
+                   uv_tcp_t* handle,
+                   const struct sockaddr* addr,
+                   uv_connect_cb cb) {
+  unsigned int addrlen;
+
+  if (handle->type != UV_TCP)
+    return UV_EINVAL;
+
+  if (addr->sa_family == AF_INET)
+    addrlen = sizeof(struct sockaddr_in);
+  else if (addr->sa_family == AF_INET6)
+    addrlen = sizeof(struct sockaddr_in6);
+  else
+    return UV_EINVAL;
+
+  return uv__tcp_connect(req, handle, addr, addrlen, cb);
+}
+
+
+int uv_udp_send(uv_udp_send_t* req,
+                uv_udp_t* handle,
+                const uv_buf_t bufs[],
+                unsigned int nbufs,
+                const struct sockaddr* addr,
+                uv_udp_send_cb send_cb) {
+  unsigned int addrlen;
+
+  if (handle->type != UV_UDP)
+    return UV_EINVAL;
+
+  if (addr->sa_family == AF_INET)
+    addrlen = sizeof(struct sockaddr_in);
+  else if (addr->sa_family == AF_INET6)
+    addrlen = sizeof(struct sockaddr_in6);
+  else
+    return UV_EINVAL;
+
+  return uv__udp_send(req, handle, bufs, nbufs, addr, addrlen, send_cb);
+}
+
+
+int uv_udp_recv_start(uv_udp_t* handle,
+                      uv_alloc_cb alloc_cb,
+                      uv_udp_recv_cb recv_cb) {
+  if (handle->type != UV_UDP || alloc_cb == NULL || recv_cb == NULL)
+    return UV_EINVAL;
+  else
+    return uv__udp_recv_start(handle, alloc_cb, recv_cb);
+}
+
+
+int uv_udp_recv_stop(uv_udp_t* handle) {
+  if (handle->type != UV_UDP)
+    return UV_EINVAL;
+  else
+    return uv__udp_recv_stop(handle);
+}
+
+
+struct thread_ctx {
+  void (*entry)(void* arg);
+  void* arg;
+};
+
+
+#ifdef _WIN32
+static UINT __stdcall uv__thread_start(void* arg)
+#else
+static void* uv__thread_start(void *arg)
+#endif
+{
+  struct thread_ctx *ctx_p;
+  struct thread_ctx ctx;
+
+  ctx_p = arg;
+  ctx = *ctx_p;
+  free(ctx_p);
+  ctx.entry(ctx.arg);
+
+  return 0;
+}
+
+
+int uv_thread_create(uv_thread_t *tid, void (*entry)(void *arg), void *arg) {
+  struct thread_ctx* ctx;
+  int err;
+
+  ctx = malloc(sizeof(*ctx));
+  if (ctx == NULL)
+    return UV_ENOMEM;
+
+  ctx->entry = entry;
+  ctx->arg = arg;
+
+#ifdef _WIN32
+  *tid = (HANDLE) _beginthreadex(NULL, 0, uv__thread_start, ctx, 0, NULL);
+  err = *tid ? 0 : errno;
+#else
+  err = pthread_create(tid, NULL, uv__thread_start, ctx);
+#endif
+
+  if (err)
+    free(ctx);
+
+  return err ? -1 : 0;
+}
+
+
+unsigned long uv_thread_self(void) {
+#ifdef _WIN32
+  return (unsigned long) GetCurrentThreadId();
+#else
+  return (unsigned long) pthread_self();
+#endif
+}
+
+
+void uv_walk(uv_loop_t* loop, uv_walk_cb walk_cb, void* arg) {
+  QUEUE* q;
+  uv_handle_t* h;
+
+  QUEUE_FOREACH(q, &loop->handle_queue) {
+    h = QUEUE_DATA(q, uv_handle_t, handle_queue);
+    if (h->flags & UV__HANDLE_INTERNAL) continue;
+    walk_cb(h, arg);
+  }
+}
+
+
+#ifndef NDEBUG
+static void uv__print_handles(uv_loop_t* loop, int only_active) {
+  const char* type;
+  QUEUE* q;
+  uv_handle_t* h;
+
+  if (loop == NULL)
+    loop = uv_default_loop();
+
+  QUEUE_FOREACH(q, &loop->handle_queue) {
+    h = QUEUE_DATA(q, uv_handle_t, handle_queue);
+
+    if (only_active && !uv__is_active(h))
+      continue;
+
+    switch (h->type) {
+#define X(uc, lc) case UV_##uc: type = #lc; break;
+      UV_HANDLE_TYPE_MAP(X)
+#undef X
+      default: type = "<unknown>";
+    }
+
+    fprintf(stderr,
+            "[%c%c%c] %-8s %p\n",
+            "R-"[!(h->flags & UV__HANDLE_REF)],
+            "A-"[!(h->flags & UV__HANDLE_ACTIVE)],
+            "I-"[!(h->flags & UV__HANDLE_INTERNAL)],
+            type,
+            (void*)h);
+  }
+}
+
+
+void uv_print_all_handles(uv_loop_t* loop) {
+  uv__print_handles(loop, 0);
+}
+
+
+void uv_print_active_handles(uv_loop_t* loop) {
+  uv__print_handles(loop, 1);
+}
+#endif
+
+
+void uv_ref(uv_handle_t* handle) {
+  uv__handle_ref(handle);
+}
+
+
+void uv_unref(uv_handle_t* handle) {
+  uv__handle_unref(handle);
+}
+
+
+int uv_has_ref(const uv_handle_t* handle) {
+  return uv__has_ref(handle);
+}
+
+
+void uv_stop(uv_loop_t* loop) {
+  loop->stop_flag = 1;
+}
+
+
+uint64_t uv_now(uv_loop_t* loop) {
+  return loop->time;
+}
+
+
+int uv__getaddrinfo_translate_error(int sys_err) {
+  switch (sys_err) {
+  case 0: return 0;
+#if defined(EAI_ADDRFAMILY)
+  case EAI_ADDRFAMILY: return UV_EAI_ADDRFAMILY;
+#endif
+#if defined(EAI_AGAIN)
+  case EAI_AGAIN: return UV_EAI_AGAIN;
+#endif
+#if defined(EAI_BADFLAGS)
+  case EAI_BADFLAGS: return UV_EAI_BADFLAGS;
+#endif
+#if defined(EAI_BADHINTS)
+  case EAI_BADHINTS: return UV_EAI_BADHINTS;
+#endif
+#if defined(EAI_CANCELED)
+  case EAI_CANCELED: return UV_EAI_CANCELED;
+#endif
+#if defined(EAI_FAIL)
+  case EAI_FAIL: return UV_EAI_FAIL;
+#endif
+#if defined(EAI_FAMILY)
+  case EAI_FAMILY: return UV_EAI_FAMILY;
+#endif
+#if defined(EAI_MEMORY)
+  case EAI_MEMORY: return UV_EAI_MEMORY;
+#endif
+#if defined(EAI_NODATA)
+  case EAI_NODATA: return UV_EAI_NODATA;
+#endif
+#if defined(EAI_NONAME)
+# if !defined(EAI_NODATA) || EAI_NODATA != EAI_NONAME
+  case EAI_NONAME: return UV_EAI_NONAME;
+# endif
+#endif
+#if defined(EAI_OVERFLOW)
+  case EAI_OVERFLOW: return UV_EAI_OVERFLOW;
+#endif
+#if defined(EAI_PROTOCOL)
+  case EAI_PROTOCOL: return UV_EAI_PROTOCOL;
+#endif
+#if defined(EAI_SERVICE)
+  case EAI_SERVICE: return UV_EAI_SERVICE;
+#endif
+#if defined(EAI_SOCKTYPE)
+  case EAI_SOCKTYPE: return UV_EAI_SOCKTYPE;
+#endif
+#if defined(EAI_SYSTEM)
+  case EAI_SYSTEM: return UV_EAI_SYSTEM;
+#endif
+  }
+  assert(!"unknown EAI_* error code");
+  abort();
+  return 0;  /* Pacify compiler. */
+}

third-party/libuv/src/uv-common.h

@@ -0,0 +1,187 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/*
+ * This file is private to libuv. It provides common functionality to both
+ * Windows and Unix backends.
+ */
+
+#ifndef UV_COMMON_H_
+#define UV_COMMON_H_
+
+#include <assert.h>
+#include <stddef.h>
+
+#if defined(_MSC_VER) && _MSC_VER < 1600
+# include "stdint-msvc2008.h"
+#else
+# include <stdint.h>
+#endif
+
+#include "uv.h"
+#include "tree.h"
+#include "queue.h"
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+
+#define container_of(ptr, type, member) \
+  ((type *) ((char *) (ptr) - offsetof(type, member)))
+
+#ifndef _WIN32
+enum {
+  UV__HANDLE_INTERNAL = 0x8000,
+  UV__HANDLE_ACTIVE   = 0x4000,
+  UV__HANDLE_REF      = 0x2000,
+  UV__HANDLE_CLOSING  = 0 /* no-op on unix */
+};
+#else
+# define UV__HANDLE_INTERNAL  0x80
+# define UV__HANDLE_ACTIVE    0x40
+# define UV__HANDLE_REF       0x20
+# define UV__HANDLE_CLOSING   0x01
+#endif
+
+int uv__tcp_bind(uv_tcp_t* tcp,
+                 const struct sockaddr* addr,
+                 unsigned int addrlen,
+                 unsigned int flags);
+
+int uv__tcp_connect(uv_connect_t* req,
+                   uv_tcp_t* handle,
+                   const struct sockaddr* addr,
+                   unsigned int addrlen,
+                   uv_connect_cb cb);
+
+int uv__udp_bind(uv_udp_t* handle,
+                 const struct sockaddr* addr,
+                 unsigned int  addrlen,
+                 unsigned int flags);
+
+int uv__udp_send(uv_udp_send_t* req,
+                 uv_udp_t* handle,
+                 const uv_buf_t bufs[],
+                 unsigned int nbufs,
+                 const struct sockaddr* addr,
+                 unsigned int addrlen,
+                 uv_udp_send_cb send_cb);
+
+int uv__udp_recv_start(uv_udp_t* handle, uv_alloc_cb alloccb,
+                       uv_udp_recv_cb recv_cb);
+
+int uv__udp_recv_stop(uv_udp_t* handle);
+
+void uv__fs_poll_close(uv_fs_poll_t* handle);
+
+int uv__getaddrinfo_translate_error(int sys_err);    /* EAI_* error. */
+
+#define uv__has_active_reqs(loop)                                             \
+  (QUEUE_EMPTY(&(loop)->active_reqs) == 0)
+
+#define uv__req_register(loop, req)                                           \
+  do {                                                                        \
+    QUEUE_INSERT_TAIL(&(loop)->active_reqs, &(req)->active_queue);            \
+  }                                                                           \
+  while (0)
+
+#define uv__req_unregister(loop, req)                                         \
+  do {                                                                        \
+    assert(uv__has_active_reqs(loop));                                        \
+    QUEUE_REMOVE(&(req)->active_queue);                                       \
+  }                                                                           \
+  while (0)
+
+#define uv__has_active_handles(loop)                                          \
+  ((loop)->active_handles > 0)
+
+#define uv__active_handle_add(h)                                              \
+  do {                                                                        \
+    (h)->loop->active_handles++;                                              \
+  }                                                                           \
+  while (0)
+
+#define uv__active_handle_rm(h)                                               \
+  do {                                                                        \
+    (h)->loop->active_handles--;                                              \
+  }                                                                           \
+  while (0)
+
+#define uv__is_active(h)                                                      \
+  (((h)->flags & UV__HANDLE_ACTIVE) != 0)
+
+#define uv__is_closing(h)                                                     \
+  (((h)->flags & (UV_CLOSING |  UV_CLOSED)) != 0)
+
+#define uv__handle_start(h)                                                   \
+  do {                                                                        \
+    assert(((h)->flags & UV__HANDLE_CLOSING) == 0);                           \
+    if (((h)->flags & UV__HANDLE_ACTIVE) != 0) break;                         \
+    (h)->flags |= UV__HANDLE_ACTIVE;                                          \
+    if (((h)->flags & UV__HANDLE_REF) != 0) uv__active_handle_add(h);         \
+  }                                                                           \
+  while (0)
+
+#define uv__handle_stop(h)                                                    \
+  do {                                                                        \
+    assert(((h)->flags & UV__HANDLE_CLOSING) == 0);                           \
+    if (((h)->flags & UV__HANDLE_ACTIVE) == 0) break;                         \
+    (h)->flags &= ~UV__HANDLE_ACTIVE;                                         \
+    if (((h)->flags & UV__HANDLE_REF) != 0) uv__active_handle_rm(h);          \
+  }                                                                           \
+  while (0)
+
+#define uv__handle_ref(h)                                                     \
+  do {                                                                        \
+    if (((h)->flags & UV__HANDLE_REF) != 0) break;                            \
+    (h)->flags |= UV__HANDLE_REF;                                             \
+    if (((h)->flags & UV__HANDLE_CLOSING) != 0) break;                        \
+    if (((h)->flags & UV__HANDLE_ACTIVE) != 0) uv__active_handle_add(h);      \
+  }                                                                           \
+  while (0)
+
+#define uv__handle_unref(h)                                                   \
+  do {                                                                        \
+    if (((h)->flags & UV__HANDLE_REF) == 0) break;                            \
+    (h)->flags &= ~UV__HANDLE_REF;                                            \
+    if (((h)->flags & UV__HANDLE_CLOSING) != 0) break;                        \
+    if (((h)->flags & UV__HANDLE_ACTIVE) != 0) uv__active_handle_rm(h);       \
+  }                                                                           \
+  while (0)
+
+#define uv__has_ref(h)                                                        \
+  (((h)->flags & UV__HANDLE_REF) != 0)
+
+#if defined(_WIN32)
+# define uv__handle_platform_init(h)
+#else
+# define uv__handle_platform_init(h) ((h)->next_closing = NULL)
+#endif
+
+#define uv__handle_init(loop_, h, type_)                                      \
+  do {                                                                        \
+    (h)->loop = (loop_);                                                      \
+    (h)->type = (type_);                                                      \
+    (h)->flags = UV__HANDLE_REF;  /* Ref the loop when active. */             \
+    QUEUE_INSERT_TAIL(&(loop_)->handle_queue, &(h)->handle_queue);            \
+    uv__handle_platform_init(h);                                              \
+  }                                                                           \
+  while (0)
+
+#endif /* UV_COMMON_H_ */

third-party/libuv/src/version.c

@@ -0,0 +1,63 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+
+ /*
+ * Versions with an even minor version (e.g. 0.6.1 or 1.0.4) are API and ABI
+ * stable. When the minor version is odd, the API can change between patch
+ * releases. Make sure you update the -soname directives in config-unix.mk
+ * and uv.gyp whenever you bump UV_VERSION_MAJOR or UV_VERSION_MINOR (but
+ * not UV_VERSION_PATCH.)
+ */
+
+#define UV_VERSION_MAJOR 0
+#define UV_VERSION_MINOR 11
+#define UV_VERSION_PATCH 19
+#define UV_VERSION_IS_RELEASE 1
+
+
+#define UV_VERSION  ((UV_VERSION_MAJOR << 16) | \
+                     (UV_VERSION_MINOR <<  8) | \
+                     (UV_VERSION_PATCH))
+
+#define UV_STRINGIFY(v) UV_STRINGIFY_HELPER(v)
+#define UV_STRINGIFY_HELPER(v) #v
+
+#define UV_VERSION_STRING_BASE  UV_STRINGIFY(UV_VERSION_MAJOR) "." \
+                                UV_STRINGIFY(UV_VERSION_MINOR) "." \
+                                UV_STRINGIFY(UV_VERSION_PATCH)
+
+#if UV_VERSION_IS_RELEASE
+# define UV_VERSION_STRING  UV_VERSION_STRING_BASE
+#else
+# define UV_VERSION_STRING  UV_VERSION_STRING_BASE "-pre"
+#endif
+
+
+unsigned int uv_version(void) {
+  return UV_VERSION;
+}
+
+
+const char* uv_version_string(void) {
+  return UV_VERSION_STRING;
+}

third-party/libuv/src/win/async.c

@@ -0,0 +1,99 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+
+#include "uv.h"
+#include "internal.h"
+#include "atomicops-inl.h"
+#include "handle-inl.h"
+#include "req-inl.h"
+
+
+void uv_async_endgame(uv_loop_t* loop, uv_async_t* handle) {
+  if (handle->flags & UV__HANDLE_CLOSING &&
+      !handle->async_sent) {
+    assert(!(handle->flags & UV_HANDLE_CLOSED));
+    uv__handle_close(handle);
+  }
+}
+
+
+int uv_async_init(uv_loop_t* loop, uv_async_t* handle, uv_async_cb async_cb) {
+  uv_req_t* req;
+
+  uv__handle_init(loop, (uv_handle_t*) handle, UV_ASYNC);
+  handle->async_sent = 0;
+  handle->async_cb = async_cb;
+
+  req = &handle->async_req;
+  uv_req_init(loop, req);
+  req->type = UV_WAKEUP;
+  req->data = handle;
+
+  uv__handle_start(handle);
+
+  return 0;
+}
+
+
+void uv_async_close(uv_loop_t* loop, uv_async_t* handle) {
+  if (!((uv_async_t*)handle)->async_sent) {
+    uv_want_endgame(loop, (uv_handle_t*) handle);
+  }
+
+  uv__handle_closing(handle);
+}
+
+
+int uv_async_send(uv_async_t* handle) {
+  uv_loop_t* loop = handle->loop;
+
+  if (handle->type != UV_ASYNC) {
+    /* Can't set errno because that's not thread-safe. */
+    return -1;
+  }
+
+  /* The user should make sure never to call uv_async_send to a closing */
+  /* or closed handle. */
+  assert(!(handle->flags & UV__HANDLE_CLOSING));
+
+  if (!uv__atomic_exchange_set(&handle->async_sent)) {
+    POST_COMPLETION_FOR_REQ(loop, &handle->async_req);
+  }
+
+  return 0;
+}
+
+
+void uv_process_async_wakeup_req(uv_loop_t* loop, uv_async_t* handle,
+    uv_req_t* req) {
+  assert(handle->type == UV_ASYNC);
+  assert(req->type == UV_WAKEUP);
+
+  handle->async_sent = 0;
+
+  if (handle->flags & UV__HANDLE_CLOSING) {
+    uv_want_endgame(loop, (uv_handle_t*)handle);
+  } else if (handle->async_cb != NULL) {
+    handle->async_cb(handle, 0);
+  }
+}

third-party/libuv/src/win/atomicops-inl.h

@@ -0,0 +1,56 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef UV_WIN_ATOMICOPS_INL_H_
+#define UV_WIN_ATOMICOPS_INL_H_
+
+#include "uv.h"
+
+
+/* Atomic set operation on char */
+#ifdef _MSC_VER /* MSVC */
+
+/* _InterlockedOr8 is supported by MSVC on x32 and x64. It is  slightly less */
+/* efficient than InterlockedExchange, but InterlockedExchange8 does not */
+/* exist, and interlocked operations on larger targets might require the */
+/* target to be aligned. */
+#pragma intrinsic(_InterlockedOr8)
+
+static char __declspec(inline) uv__atomic_exchange_set(char volatile* target) {
+  return _InterlockedOr8(target, 1);
+}
+
+#else /* GCC */
+
+/* Mingw-32 version, hopefully this works for 64-bit gcc as well. */
+static inline char uv__atomic_exchange_set(char volatile* target) {
+  const char one = 1;
+  char old_value;
+  __asm__ __volatile__ ("lock xchgb %0, %1\n\t"
+                        : "=r"(old_value), "=m"(*target)
+                        : "0"(one), "m"(*target)
+                        : "memory");
+  return old_value;
+}
+
+#endif
+
+#endif /* UV_WIN_ATOMICOPS_INL_H_ */

third-party/libuv/src/win/core.c

@@ -0,0 +1,362 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include <malloc.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <crtdbg.h>
+
+#include "uv.h"
+#include "internal.h"
+#include "handle-inl.h"
+#include "req-inl.h"
+
+
+/* The only event loop we support right now */
+static uv_loop_t uv_default_loop_;
+
+/* uv_once intialization guards */
+static uv_once_t uv_init_guard_ = UV_ONCE_INIT;
+static uv_once_t uv_default_loop_init_guard_ = UV_ONCE_INIT;
+
+
+#ifdef _DEBUG
+/* Our crt debug report handler allows us to temporarily disable asserts */
+/* just for the current thread. */
+
+__declspec( thread ) int uv__crt_assert_enabled = TRUE;
+
+static int uv__crt_dbg_report_handler(int report_type, char *message, int *ret_val) {
+  if (uv__crt_assert_enabled || report_type != _CRT_ASSERT)
+    return FALSE;
+  
+  if (ret_val) {
+    /* Set ret_val to 0 to continue with normal execution. */
+    /* Set ret_val to 1 to trigger a breakpoint. */
+
+    if(IsDebuggerPresent())     
+      *ret_val = 1;  
+    else
+      *ret_val = 0;  
+  }
+
+  /* Don't call _CrtDbgReport. */
+  return TRUE;
+}
+#endif
+
+
+static void uv__crt_invalid_parameter_handler(const wchar_t* expression,
+    const wchar_t* function, const wchar_t * file, unsigned int line,
+    uintptr_t reserved) {
+  /* No-op. */
+}
+
+
+static void uv_init(void) {
+  /* Tell Windows that we will handle critical errors. */
+  SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX |
+               SEM_NOOPENFILEERRORBOX);
+
+  /* Tell the CRT to not exit the application when an invalid parameter is */
+  /* passed. The main issue is that invalid FDs will trigger this behavior. */
+#if !defined(__MINGW32__) || __MSVCRT_VERSION__ >= 0x800
+  _set_invalid_parameter_handler(uv__crt_invalid_parameter_handler);
+#endif
+
+  /* We also need to setup our debug report handler because some CRT */
+  /* functions (eg _get_osfhandle) raise an assert when called with invalid */
+  /* FDs even though they return the proper error code in the release build. */
+#ifdef _DEBUG
+  _CrtSetReportHook(uv__crt_dbg_report_handler);
+#endif
+
+  /* Fetch winapi function pointers. This must be done first because other */
+  /* intialization code might need these function pointers to be loaded. */
+  uv_winapi_init();
+
+  /* Initialize winsock */
+  uv_winsock_init();
+
+  /* Initialize FS */
+  uv_fs_init();
+
+  /* Initialize signal stuff */
+  uv_signals_init();
+
+  /* Initialize console */
+  uv_console_init();
+
+  /* Initialize utilities */
+  uv__util_init();
+}
+
+
+static void uv_loop_init(uv_loop_t* loop) {
+  /* Create an I/O completion port */
+  loop->iocp = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, 0, 1);
+  if (loop->iocp == NULL) {
+    uv_fatal_error(GetLastError(), "CreateIoCompletionPort");
+  }
+
+  /* To prevent uninitialized memory access, loop->time must be intialized */
+  /* to zero before calling uv_update_time for the first time. */
+  loop->time = 0;
+  loop->last_tick_count = 0;
+  uv_update_time(loop);
+
+  QUEUE_INIT(&loop->handle_queue);
+  QUEUE_INIT(&loop->active_reqs);
+  loop->active_handles = 0;
+
+  loop->pending_reqs_tail = NULL;
+
+  loop->endgame_handles = NULL;
+
+  RB_INIT(&loop->timers);
+
+  loop->check_handles = NULL;
+  loop->prepare_handles = NULL;
+  loop->idle_handles = NULL;
+
+  loop->next_prepare_handle = NULL;
+  loop->next_check_handle = NULL;
+  loop->next_idle_handle = NULL;
+
+  memset(&loop->poll_peer_sockets, 0, sizeof loop->poll_peer_sockets);
+
+  loop->active_tcp_streams = 0;
+  loop->active_udp_streams = 0;
+
+  loop->timer_counter = 0;
+  loop->stop_flag = 0;
+}
+
+
+static void uv_default_loop_init(void) {
+  /* Initialize libuv itself first */
+  uv__once_init();
+
+  /* Initialize the main loop */
+  uv_loop_init(&uv_default_loop_);
+}
+
+
+void uv__once_init(void) {
+  uv_once(&uv_init_guard_, uv_init);
+}
+
+
+uv_loop_t* uv_default_loop(void) {
+  uv_once(&uv_default_loop_init_guard_, uv_default_loop_init);
+  return &uv_default_loop_;
+}
+
+
+uv_loop_t* uv_loop_new(void) {
+  uv_loop_t* loop;
+
+  /* Initialize libuv itself first */
+  uv__once_init();
+
+  loop = (uv_loop_t*)malloc(sizeof(uv_loop_t));
+
+  if (!loop) {
+    uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
+  }
+
+  uv_loop_init(loop);
+  return loop;
+}
+
+
+void uv_loop_delete(uv_loop_t* loop) {
+  if (loop != &uv_default_loop_) {
+    int i;
+    for (i = 0; i < ARRAY_SIZE(loop->poll_peer_sockets); i++) {
+      SOCKET sock = loop->poll_peer_sockets[i];
+      if (sock != 0 && sock != INVALID_SOCKET) {
+        closesocket(sock);
+      }
+    }
+
+    free(loop);
+  }
+}
+
+
+int uv_backend_fd(const uv_loop_t* loop) {
+  return -1;
+}
+
+
+int uv_backend_timeout(const uv_loop_t* loop) {
+  return 0;
+}
+
+
+static void uv_poll(uv_loop_t* loop, int block) {
+  DWORD bytes, timeout;
+  ULONG_PTR key;
+  OVERLAPPED* overlapped;
+  uv_req_t* req;
+
+  if (block) {
+    timeout = uv_get_poll_timeout(loop);
+  } else {
+    timeout = 0;
+  }
+
+  GetQueuedCompletionStatus(loop->iocp,
+                            &bytes,
+                            &key,
+                            &overlapped,
+                            timeout);
+
+  if (overlapped) {
+    /* Package was dequeued */
+    req = uv_overlapped_to_req(overlapped);
+    uv_insert_pending_req(loop, req);
+  } else if (GetLastError() != WAIT_TIMEOUT) {
+    /* Serious error */
+    uv_fatal_error(GetLastError(), "GetQueuedCompletionStatus");
+  } else {
+    /* We're sure that at least `timeout` milliseconds have expired, but */
+    /* this may not be reflected yet in the GetTickCount() return value. */
+    /* Therefore we ensure it's taken into account here. */
+    uv__time_forward(loop, timeout);
+  }
+}
+
+
+static void uv_poll_ex(uv_loop_t* loop, int block) {
+  BOOL success;
+  DWORD timeout;
+  uv_req_t* req;
+  OVERLAPPED_ENTRY overlappeds[128];
+  ULONG count;
+  ULONG i;
+
+  if (block) {
+    timeout = uv_get_poll_timeout(loop);
+  } else {
+    timeout = 0;
+  }
+
+  success = pGetQueuedCompletionStatusEx(loop->iocp,
+                                         overlappeds,
+                                         ARRAY_SIZE(overlappeds),
+                                         &count,
+                                         timeout,
+                                         FALSE);
+
+  if (success) {
+    for (i = 0; i < count; i++) {
+      /* Package was dequeued */
+      req = uv_overlapped_to_req(overlappeds[i].lpOverlapped);
+      uv_insert_pending_req(loop, req);
+    }
+  } else if (GetLastError() != WAIT_TIMEOUT) {
+    /* Serious error */
+    uv_fatal_error(GetLastError(), "GetQueuedCompletionStatusEx");
+  } else if (timeout > 0) {
+    /* We're sure that at least `timeout` milliseconds have expired, but */
+    /* this may not be reflected yet in the GetTickCount() return value. */
+    /* Therefore we ensure it's taken into account here. */
+    uv__time_forward(loop, timeout);
+  }
+}
+
+
+static int uv__loop_alive(const uv_loop_t* loop) {
+  return loop->active_handles > 0 ||
+         !QUEUE_EMPTY(&loop->active_reqs) ||
+         loop->endgame_handles != NULL;
+}
+
+
+int uv_loop_alive(const uv_loop_t* loop) {
+    return uv__loop_alive(loop);
+}
+
+
+int uv_run(uv_loop_t *loop, uv_run_mode mode) {
+  int r;
+  void (*poll)(uv_loop_t* loop, int block);
+
+  if (pGetQueuedCompletionStatusEx)
+    poll = &uv_poll_ex;
+  else
+    poll = &uv_poll;
+
+  r = uv__loop_alive(loop);
+  if (!r)
+    uv_update_time(loop);
+
+  while (r != 0 && loop->stop_flag == 0) {
+    uv_update_time(loop);
+    uv_process_timers(loop);
+
+    uv_process_reqs(loop);
+    uv_idle_invoke(loop);
+    uv_prepare_invoke(loop);
+
+    (*poll)(loop, loop->idle_handles == NULL &&
+                  loop->pending_reqs_tail == NULL &&
+                  loop->endgame_handles == NULL &&
+                  !loop->stop_flag &&
+                  (loop->active_handles > 0 ||
+                   !QUEUE_EMPTY(&loop->active_reqs)) &&
+                  !(mode & UV_RUN_NOWAIT));
+
+    uv_check_invoke(loop);
+    uv_process_endgames(loop);
+
+    if (mode == UV_RUN_ONCE) {
+      /* UV_RUN_ONCE implies forward progess: at least one callback must have
+       * been invoked when it returns. uv__io_poll() can return without doing
+       * I/O (meaning: no callbacks) when its timeout expires - which means we
+       * have pending timers that satisfy the forward progress constraint.
+       *
+       * UV_RUN_NOWAIT makes no guarantees about progress so it's omitted from
+       * the check.
+       */
+      uv_update_time(loop);
+      uv_process_timers(loop);
+    }
+
+    r = uv__loop_alive(loop);
+    if (mode & (UV_RUN_ONCE | UV_RUN_NOWAIT))
+      break;
+  }
+
+  /* The if statement lets the compiler compile it to a conditional store.
+   * Avoids dirtying a cache line.
+   */
+  if (loop->stop_flag != 0)
+    loop->stop_flag = 0;
+
+  return r;
+}

third-party/libuv/src/win/dl.c

@@ -0,0 +1,86 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+static int uv__dlerror(uv_lib_t* lib, int errorno);
+
+
+int uv_dlopen(const char* filename, uv_lib_t* lib) {
+  WCHAR filename_w[32768];
+
+  lib->handle = NULL;
+  lib->errmsg = NULL;
+
+  if (!uv_utf8_to_utf16(filename, filename_w, ARRAY_SIZE(filename_w))) {
+    return uv__dlerror(lib, GetLastError());
+  }
+
+  lib->handle = LoadLibraryExW(filename_w, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
+  if (lib->handle == NULL) {
+    return uv__dlerror(lib, GetLastError());
+  }
+
+  return 0;
+}
+
+
+void uv_dlclose(uv_lib_t* lib) {
+  if (lib->errmsg) {
+    LocalFree((void*)lib->errmsg);
+    lib->errmsg = NULL;
+  }
+
+  if (lib->handle) {
+    /* Ignore errors. No good way to signal them without leaking memory. */
+    FreeLibrary(lib->handle);
+    lib->handle = NULL;
+  }
+}
+
+
+int uv_dlsym(uv_lib_t* lib, const char* name, void** ptr) {
+  *ptr = (void*) GetProcAddress(lib->handle, name);
+  return uv__dlerror(lib, *ptr ? 0 : GetLastError());
+}
+
+
+const char* uv_dlerror(uv_lib_t* lib) {
+  return lib->errmsg ? lib->errmsg : "no error";
+}
+
+
+static int uv__dlerror(uv_lib_t* lib, int errorno) {
+  if (lib->errmsg) {
+    LocalFree((void*)lib->errmsg);
+    lib->errmsg = NULL;
+  }
+
+  if (errorno) {
+    FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
+                   FORMAT_MESSAGE_IGNORE_INSERTS, NULL, errorno,
+                   MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US),
+                   (LPSTR)&lib->errmsg, 0, NULL);
+  }
+
+  return errorno ? -1 : 0;
+}

third-party/libuv/src/win/error.c

@@ -0,0 +1,169 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <malloc.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "uv.h"
+#include "internal.h"
+
+
+/*
+ * Display an error message and abort the event loop.
+ */
+void uv_fatal_error(const int errorno, const char* syscall) {
+  char* buf = NULL;
+  const char* errmsg;
+
+  FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
+      FORMAT_MESSAGE_IGNORE_INSERTS, NULL, errorno,
+      MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&buf, 0, NULL);
+
+  if (buf) {
+    errmsg = buf;
+  } else {
+    errmsg = "Unknown error";
+  }
+
+  /* FormatMessage messages include a newline character already, */
+  /* so don't add another. */
+  if (syscall) {
+    fprintf(stderr, "%s: (%d) %s", syscall, errorno, errmsg);
+  } else {
+    fprintf(stderr, "(%d) %s", errorno, errmsg);
+  }
+
+  if (buf) {
+    LocalFree(buf);
+  }
+
+  *((char*)NULL) = 0xff; /* Force debug break */
+  abort();
+}
+
+
+int uv_translate_sys_error(int sys_errno) {
+  if (sys_errno <= 0) {
+    return sys_errno;  /* If < 0 then it's already a libuv error. */
+  }
+
+  switch (sys_errno) {
+    case ERROR_NOACCESS:                    return UV_EACCES;
+    case WSAEACCES:                         return UV_EACCES;
+    case ERROR_ADDRESS_ALREADY_ASSOCIATED:  return UV_EADDRINUSE;
+    case WSAEADDRINUSE:                     return UV_EADDRINUSE;
+    case WSAEADDRNOTAVAIL:                  return UV_EADDRNOTAVAIL;
+    case WSAEAFNOSUPPORT:                   return UV_EAFNOSUPPORT;
+    case WSAEWOULDBLOCK:                    return UV_EAGAIN;
+    case WSAEALREADY:                       return UV_EALREADY;
+    case ERROR_INVALID_FLAGS:               return UV_EBADF;
+    case ERROR_INVALID_HANDLE:              return UV_EBADF;
+    case ERROR_LOCK_VIOLATION:              return UV_EBUSY;
+    case ERROR_PIPE_BUSY:                   return UV_EBUSY;
+    case ERROR_SHARING_VIOLATION:           return UV_EBUSY;
+    case ERROR_OPERATION_ABORTED:           return UV_ECANCELED;
+    case WSAEINTR:                          return UV_ECANCELED;
+    case ERROR_NO_UNICODE_TRANSLATION:      return UV_ECHARSET;
+    case ERROR_CONNECTION_ABORTED:          return UV_ECONNABORTED;
+    case WSAECONNABORTED:                   return UV_ECONNABORTED;
+    case ERROR_CONNECTION_REFUSED:          return UV_ECONNREFUSED;
+    case WSAECONNREFUSED:                   return UV_ECONNREFUSED;
+    case ERROR_NETNAME_DELETED:             return UV_ECONNRESET;
+    case WSAECONNRESET:                     return UV_ECONNRESET;
+    case ERROR_ALREADY_EXISTS:              return UV_EEXIST;
+    case ERROR_FILE_EXISTS:                 return UV_EEXIST;
+    case ERROR_BUFFER_OVERFLOW:             return UV_EFAULT;
+    case WSAEFAULT:                         return UV_EFAULT;
+    case ERROR_HOST_UNREACHABLE:            return UV_EHOSTUNREACH;
+    case WSAEHOSTUNREACH:                   return UV_EHOSTUNREACH;
+    case ERROR_INSUFFICIENT_BUFFER:         return UV_EINVAL;
+    case ERROR_INVALID_DATA:                return UV_EINVAL;
+    case ERROR_INVALID_PARAMETER:           return UV_EINVAL;
+    case ERROR_SYMLINK_NOT_SUPPORTED:       return UV_EINVAL;
+    case WSAEINVAL:                         return UV_EINVAL;
+    case WSAEPFNOSUPPORT:                   return UV_EINVAL;
+    case WSAESOCKTNOSUPPORT:                return UV_EINVAL;
+    case ERROR_BEGINNING_OF_MEDIA:          return UV_EIO;
+    case ERROR_BUS_RESET:                   return UV_EIO;
+    case ERROR_CRC:                         return UV_EIO;
+    case ERROR_DEVICE_DOOR_OPEN:            return UV_EIO;
+    case ERROR_DEVICE_REQUIRES_CLEANING:    return UV_EIO;
+    case ERROR_DISK_CORRUPT:                return UV_EIO;
+    case ERROR_EOM_OVERFLOW:                return UV_EIO;
+    case ERROR_FILEMARK_DETECTED:           return UV_EIO;
+    case ERROR_GEN_FAILURE:                 return UV_EIO;
+    case ERROR_INVALID_BLOCK_LENGTH:        return UV_EIO;
+    case ERROR_IO_DEVICE:                   return UV_EIO;
+    case ERROR_NO_DATA_DETECTED:            return UV_EIO;
+    case ERROR_NO_SIGNAL_SENT:              return UV_EIO;
+    case ERROR_OPEN_FAILED:                 return UV_EIO;
+    case ERROR_SETMARK_DETECTED:            return UV_EIO;
+    case ERROR_SIGNAL_REFUSED:              return UV_EIO;
+    case WSAEISCONN:                        return UV_EISCONN;
+    case ERROR_CANT_RESOLVE_FILENAME:       return UV_ELOOP;
+    case ERROR_TOO_MANY_OPEN_FILES:         return UV_EMFILE;
+    case WSAEMFILE:                         return UV_EMFILE;
+    case WSAEMSGSIZE:                       return UV_EMSGSIZE;
+    case ERROR_FILENAME_EXCED_RANGE:        return UV_ENAMETOOLONG;
+    case ERROR_NETWORK_UNREACHABLE:         return UV_ENETUNREACH;
+    case WSAENETUNREACH:                    return UV_ENETUNREACH;
+    case WSAENOBUFS:                        return UV_ENOBUFS;
+    case ERROR_DIRECTORY:                   return UV_ENOENT;
+    case ERROR_FILE_NOT_FOUND:              return UV_ENOENT;
+    case ERROR_INVALID_NAME:                return UV_ENOENT;
+    case ERROR_INVALID_REPARSE_DATA:        return UV_ENOENT;
+    case ERROR_MOD_NOT_FOUND:               return UV_ENOENT;
+    case ERROR_PATH_NOT_FOUND:              return UV_ENOENT;
+    case WSAHOST_NOT_FOUND:                 return UV_ENOENT;
+    case WSANO_DATA:                        return UV_ENOENT;
+    case ERROR_NOT_ENOUGH_MEMORY:           return UV_ENOMEM;
+    case ERROR_OUTOFMEMORY:                 return UV_ENOMEM;
+    case ERROR_CANNOT_MAKE:                 return UV_ENOSPC;
+    case ERROR_DISK_FULL:                   return UV_ENOSPC;
+    case ERROR_EA_TABLE_FULL:               return UV_ENOSPC;
+    case ERROR_END_OF_MEDIA:                return UV_ENOSPC;
+    case ERROR_HANDLE_DISK_FULL:            return UV_ENOSPC;
+    case ERROR_NOT_CONNECTED:               return UV_ENOTCONN;
+    case WSAENOTCONN:                       return UV_ENOTCONN;
+    case ERROR_DIR_NOT_EMPTY:               return UV_ENOTEMPTY;
+    case WSAENOTSOCK:                       return UV_ENOTSOCK;
+    case ERROR_NOT_SUPPORTED:               return UV_ENOTSUP;
+    case ERROR_BROKEN_PIPE:                 return UV_EOF;
+    case ERROR_ACCESS_DENIED:               return UV_EPERM;
+    case ERROR_PRIVILEGE_NOT_HELD:          return UV_EPERM;
+    case ERROR_BAD_PIPE:                    return UV_EPIPE;
+    case ERROR_NO_DATA:                     return UV_EPIPE;
+    case ERROR_PIPE_NOT_CONNECTED:          return UV_EPIPE;
+    case WSAESHUTDOWN:                      return UV_EPIPE;
+    case WSAEPROTONOSUPPORT:                return UV_EPROTONOSUPPORT;
+    case ERROR_WRITE_PROTECT:               return UV_EROFS;
+    case ERROR_SEM_TIMEOUT:                 return UV_ETIMEDOUT;
+    case WSAETIMEDOUT:                      return UV_ETIMEDOUT;
+    case ERROR_NOT_SAME_DEVICE:             return UV_EXDEV;
+    case ERROR_INVALID_FUNCTION:            return UV_EISDIR;
+    case ERROR_META_EXPANSION_TOO_LONG:     return UV_E2BIG;
+    default:                                return UV_UNKNOWN;
+  }
+}

third-party/libuv/src/win/fs-event.c

@@ -0,0 +1,527 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <malloc.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "uv.h"
+#include "internal.h"
+#include "handle-inl.h"
+#include "req-inl.h"
+
+
+const unsigned int uv_directory_watcher_buffer_size = 4096;
+
+
+static void uv_fs_event_queue_readdirchanges(uv_loop_t* loop,
+    uv_fs_event_t* handle) {
+  assert(handle->dir_handle != INVALID_HANDLE_VALUE);
+  assert(!handle->req_pending);
+
+  memset(&(handle->req.overlapped), 0, sizeof(handle->req.overlapped));
+  if (!ReadDirectoryChangesW(handle->dir_handle,
+                             handle->buffer,
+                             uv_directory_watcher_buffer_size,
+                             FALSE,
+                             FILE_NOTIFY_CHANGE_FILE_NAME      |
+                               FILE_NOTIFY_CHANGE_DIR_NAME     |
+                               FILE_NOTIFY_CHANGE_ATTRIBUTES   |
+                               FILE_NOTIFY_CHANGE_SIZE         |
+                               FILE_NOTIFY_CHANGE_LAST_WRITE   |
+                               FILE_NOTIFY_CHANGE_LAST_ACCESS  |
+                               FILE_NOTIFY_CHANGE_CREATION     |
+                               FILE_NOTIFY_CHANGE_SECURITY,
+                             NULL,
+                             &handle->req.overlapped,
+                             NULL)) {
+    /* Make this req pending reporting an error. */
+    SET_REQ_ERROR(&handle->req, GetLastError());
+    uv_insert_pending_req(loop, (uv_req_t*)&handle->req);
+  }
+
+  handle->req_pending = 1;
+}
+
+
+static int uv_split_path(const WCHAR* filename, WCHAR** dir,
+    WCHAR** file) {
+  int len = wcslen(filename);
+  int i = len;
+  while (i > 0 && filename[--i] != '\\' && filename[i] != '/');
+
+  if (i == 0) {
+    if (dir) {
+      *dir = (WCHAR*)malloc((MAX_PATH + 1) * sizeof(WCHAR));
+      if (!*dir) {
+        uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
+      }
+
+      if (!GetCurrentDirectoryW(MAX_PATH, *dir)) {
+        free(*dir);
+        *dir = NULL;
+        return -1;
+      }
+    }
+
+    *file = wcsdup(filename);
+  } else {
+    if (dir) {
+      *dir = (WCHAR*)malloc((i + 1) * sizeof(WCHAR));
+      if (!*dir) {
+        uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
+      }
+      wcsncpy(*dir, filename, i);
+      (*dir)[i] = L'\0';
+    }
+
+    *file = (WCHAR*)malloc((len - i) * sizeof(WCHAR));
+    if (!*file) {
+      uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
+    }
+    wcsncpy(*file, filename + i + 1, len - i - 1);
+    (*file)[len - i - 1] = L'\0';
+  }
+
+  return 0;
+}
+
+
+int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle) {
+  uv__handle_init(loop, (uv_handle_t*) handle, UV_FS_EVENT);
+  handle->dir_handle = INVALID_HANDLE_VALUE;
+  handle->buffer = NULL;
+  handle->req_pending = 0;
+  handle->filew = NULL;
+  handle->short_filew = NULL;
+  handle->dirw = NULL;
+
+  uv_req_init(loop, (uv_req_t*)&handle->req);
+  handle->req.type = UV_FS_EVENT_REQ;
+  handle->req.data = handle;
+
+  return 0;
+}
+
+
+int uv_fs_event_start(uv_fs_event_t* handle,
+                      uv_fs_event_cb cb,
+                      const char* filename,
+                      unsigned int flags) {
+  int name_size, is_path_dir;
+  DWORD attr, last_error;
+  WCHAR* dir = NULL, *dir_to_watch, *filenamew = NULL;
+  WCHAR short_path[MAX_PATH];
+
+  if (uv__is_active(handle))
+    return UV_EINVAL;
+
+  handle->cb = cb;
+  handle->filename = strdup(filename);
+  if (!handle->filename) {
+    uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
+  }
+
+  uv__handle_start(handle);
+
+  /* Convert name to UTF16. */
+  name_size = uv_utf8_to_utf16(filename, NULL, 0) * sizeof(WCHAR);
+  filenamew = (WCHAR*)malloc(name_size);
+  if (!filenamew) {
+    uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
+  }
+
+  if (!uv_utf8_to_utf16(filename, filenamew,
+      name_size / sizeof(WCHAR))) {
+    return uv_translate_sys_error(GetLastError());
+  }
+
+  /* Determine whether filename is a file or a directory. */
+  attr = GetFileAttributesW(filenamew);
+  if (attr == INVALID_FILE_ATTRIBUTES) {
+    last_error = GetLastError();
+    goto error;
+  }
+
+  is_path_dir = (attr & FILE_ATTRIBUTE_DIRECTORY) ? 1 : 0;
+
+  if (is_path_dir) {
+     /* filename is a directory, so that's the directory that we will watch. */
+    handle->dirw = filenamew;
+    dir_to_watch = filenamew;
+  } else {
+    /*
+     * filename is a file.  So we split filename into dir & file parts, and
+     * watch the dir directory.
+     */
+
+    /* Convert to short path. */
+    if (!GetShortPathNameW(filenamew, short_path, ARRAY_SIZE(short_path))) {
+      last_error = GetLastError();
+      goto error;
+    }
+
+    if (uv_split_path(filenamew, &dir, &handle->filew) != 0) {
+      last_error = GetLastError();
+      goto error;
+    }
+
+    if (uv_split_path(short_path, NULL, &handle->short_filew) != 0) {
+      last_error = GetLastError();
+      goto error;
+    }
+
+    dir_to_watch = dir;
+    free(filenamew);
+    filenamew = NULL;
+  }
+
+  handle->dir_handle = CreateFileW(dir_to_watch,
+                                   FILE_LIST_DIRECTORY,
+                                   FILE_SHARE_READ | FILE_SHARE_DELETE |
+                                     FILE_SHARE_WRITE,
+                                   NULL,
+                                   OPEN_EXISTING,
+                                   FILE_FLAG_BACKUP_SEMANTICS |
+                                     FILE_FLAG_OVERLAPPED,
+                                   NULL);
+
+  if (dir) {
+    free(dir);
+    dir = NULL;
+  }
+
+  if (handle->dir_handle == INVALID_HANDLE_VALUE) {
+    last_error = GetLastError();
+    goto error;
+  }
+
+  if (CreateIoCompletionPort(handle->dir_handle,
+                             handle->loop->iocp,
+                             (ULONG_PTR)handle,
+                             0) == NULL) {
+    last_error = GetLastError();
+    goto error;
+  }
+
+  if (!handle->buffer) {
+    handle->buffer = (char*)_aligned_malloc(uv_directory_watcher_buffer_size,
+                                            sizeof(DWORD));
+  }
+  if (!handle->buffer) {
+    uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
+  }
+
+  memset(&(handle->req.overlapped), 0, sizeof(handle->req.overlapped));
+
+  if (!ReadDirectoryChangesW(handle->dir_handle,
+                             handle->buffer,
+                             uv_directory_watcher_buffer_size,
+                             FALSE,
+                             FILE_NOTIFY_CHANGE_FILE_NAME      |
+                               FILE_NOTIFY_CHANGE_DIR_NAME     |
+                               FILE_NOTIFY_CHANGE_ATTRIBUTES   |
+                               FILE_NOTIFY_CHANGE_SIZE         |
+                               FILE_NOTIFY_CHANGE_LAST_WRITE   |
+                               FILE_NOTIFY_CHANGE_LAST_ACCESS  |
+                               FILE_NOTIFY_CHANGE_CREATION     |
+                               FILE_NOTIFY_CHANGE_SECURITY,
+                             NULL,
+                             &handle->req.overlapped,
+                             NULL)) {
+    last_error = GetLastError();
+    goto error;
+  }
+
+  handle->req_pending = 1;
+  return 0;
+
+error:
+  if (handle->filename) {
+    free(handle->filename);
+    handle->filename = NULL;
+  }
+
+  if (handle->filew) {
+    free(handle->filew);
+    handle->filew = NULL;
+  }
+
+  if (handle->short_filew) {
+    free(handle->short_filew);
+    handle->short_filew = NULL;
+  }
+
+  free(filenamew);
+
+  if (handle->dir_handle != INVALID_HANDLE_VALUE) {
+    CloseHandle(handle->dir_handle);
+    handle->dir_handle = INVALID_HANDLE_VALUE;
+  }
+
+  if (handle->buffer) {
+    _aligned_free(handle->buffer);
+    handle->buffer = NULL;
+  }
+
+  return uv_translate_sys_error(last_error);
+}
+
+
+int uv_fs_event_stop(uv_fs_event_t* handle) {
+  if (!uv__is_active(handle))
+    return UV_EINVAL;
+
+  if (handle->dir_handle != INVALID_HANDLE_VALUE) {
+    CloseHandle(handle->dir_handle);
+    handle->dir_handle = INVALID_HANDLE_VALUE;
+  }
+
+  uv__handle_stop(handle);
+
+  if (handle->filew) {
+    free(handle->filew);
+    handle->filew = NULL;
+  }
+
+  if (handle->short_filew) {
+    free(handle->short_filew);
+    handle->short_filew = NULL;
+  }
+
+  if (handle->filename) {
+    free(handle->filename);
+    handle->filename = NULL;
+  }
+
+  if (handle->dirw) {
+    free(handle->dirw);
+    handle->dirw = NULL;
+  }
+
+  return 0;
+}
+
+
+void uv_process_fs_event_req(uv_loop_t* loop, uv_req_t* req,
+    uv_fs_event_t* handle) {
+  FILE_NOTIFY_INFORMATION* file_info;
+  int err, sizew, size, result;
+  char* filename = NULL;
+  WCHAR* filenamew, *long_filenamew = NULL;
+  DWORD offset = 0;
+
+  assert(req->type == UV_FS_EVENT_REQ);
+  assert(handle->req_pending);
+  handle->req_pending = 0;
+
+  /* Don't report any callbacks if:
+   * - We're closing, just push the handle onto the endgame queue
+   * - We are not active, just ignore the callback
+   */
+  if (!uv__is_active(handle)) {
+    if (handle->flags & UV__HANDLE_CLOSING) {
+      uv_want_endgame(loop, (uv_handle_t*) handle);
+    }
+    return;
+  }
+
+  file_info = (FILE_NOTIFY_INFORMATION*)(handle->buffer + offset);
+
+  if (REQ_SUCCESS(req)) {
+    if (req->overlapped.InternalHigh > 0) {
+      do {
+        file_info = (FILE_NOTIFY_INFORMATION*)((char*)file_info + offset);
+        assert(!filename);
+        assert(!long_filenamew);
+
+        /*
+         * Fire the event only if we were asked to watch a directory,
+         * or if the filename filter matches.
+         */
+        if (handle->dirw ||
+          _wcsnicmp(handle->filew, file_info->FileName,
+            file_info->FileNameLength / sizeof(WCHAR)) == 0 ||
+          _wcsnicmp(handle->short_filew, file_info->FileName,
+            file_info->FileNameLength / sizeof(WCHAR)) == 0) {
+
+          if (handle->dirw) {
+            /*
+             * We attempt to convert the file name to its long form for
+             * events that still point to valid files on disk.
+             * For removed and renamed events, we do not provide the file name.
+             */
+            if (file_info->Action != FILE_ACTION_REMOVED &&
+              file_info->Action != FILE_ACTION_RENAMED_OLD_NAME) {
+              /* Construct a full path to the file. */
+              size = wcslen(handle->dirw) +
+                file_info->FileNameLength / sizeof(WCHAR) + 2;
+
+              filenamew = (WCHAR*)malloc(size * sizeof(WCHAR));
+              if (!filenamew) {
+                uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
+              }
+
+              _snwprintf(filenamew, size, L"%s\\%.*s", handle->dirw,
+                file_info->FileNameLength / sizeof(WCHAR),
+                file_info->FileName);
+
+              filenamew[size - 1] = L'\0';
+
+              /* Convert to long name. */
+              size = GetLongPathNameW(filenamew, NULL, 0);
+
+              if (size) {
+                long_filenamew = (WCHAR*)malloc(size * sizeof(WCHAR));
+                if (!long_filenamew) {
+                  uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
+                }
+
+                size = GetLongPathNameW(filenamew, long_filenamew, size);
+                if (size) {
+                  long_filenamew[size] = '\0';
+                } else {
+                  free(long_filenamew);
+                  long_filenamew = NULL;
+                }
+              }
+
+              free(filenamew);
+
+              if (long_filenamew) {
+                /* Get the file name out of the long path. */
+                result = uv_split_path(long_filenamew, NULL, &filenamew);
+                free(long_filenamew);
+
+                if (result == 0) {
+                  long_filenamew = filenamew;
+                  sizew = -1;
+                } else {
+                  long_filenamew = NULL;
+                }
+              }
+
+              /*
+               * If we couldn't get the long name - just use the name
+               * provided by ReadDirectoryChangesW.
+               */
+              if (!long_filenamew) {
+                filenamew = file_info->FileName;
+                sizew = file_info->FileNameLength / sizeof(WCHAR);
+              }
+            } else {
+              /* Removed or renamed callbacks don't provide filename. */
+              filenamew = NULL;
+            }
+          } else {
+            /* We already have the long name of the file, so just use it. */
+            filenamew = handle->filew;
+            sizew = -1;
+          }
+
+          if (filenamew) {
+            /* Convert the filename to utf8. */
+            size = uv_utf16_to_utf8(filenamew,
+                                    sizew,
+                                    NULL,
+                                    0);
+            if (size) {
+              filename = (char*)malloc(size + 1);
+              if (!filename) {
+                uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
+              }
+
+              size = uv_utf16_to_utf8(filenamew,
+                                      sizew,
+                                      filename,
+                                      size);
+              if (size) {
+                filename[size] = '\0';
+              } else {
+                free(filename);
+                filename = NULL;
+              }
+            }
+          }
+
+          switch (file_info->Action) {
+            case FILE_ACTION_ADDED:
+            case FILE_ACTION_REMOVED:
+            case FILE_ACTION_RENAMED_OLD_NAME:
+            case FILE_ACTION_RENAMED_NEW_NAME:
+              handle->cb(handle, filename, UV_RENAME, 0);
+              break;
+
+            case FILE_ACTION_MODIFIED:
+              handle->cb(handle, filename, UV_CHANGE, 0);
+              break;
+          }
+
+          free(filename);
+          filename = NULL;
+          free(long_filenamew);
+          long_filenamew = NULL;
+        }
+
+        offset = file_info->NextEntryOffset;
+      } while (offset && !(handle->flags & UV__HANDLE_CLOSING));
+    } else {
+      handle->cb(handle, NULL, UV_CHANGE, 0);
+    }
+  } else {
+    err = GET_REQ_ERROR(req);
+    handle->cb(handle, NULL, 0, uv_translate_sys_error(err));
+  }
+
+  if (!(handle->flags & UV__HANDLE_CLOSING)) {
+    uv_fs_event_queue_readdirchanges(loop, handle);
+  } else {
+    uv_want_endgame(loop, (uv_handle_t*)handle);
+  }
+}
+
+
+void uv_fs_event_close(uv_loop_t* loop, uv_fs_event_t* handle) {
+  uv_fs_event_stop(handle);
+
+  uv__handle_closing(handle);
+
+  if (!handle->req_pending) {
+    uv_want_endgame(loop, (uv_handle_t*)handle);
+  }
+
+}
+
+
+void uv_fs_event_endgame(uv_loop_t* loop, uv_fs_event_t* handle) {
+  if ((handle->flags & UV__HANDLE_CLOSING) && !handle->req_pending) {
+    assert(!(handle->flags & UV_HANDLE_CLOSED));
+
+    if (handle->buffer) {
+      _aligned_free(handle->buffer);
+      handle->buffer = NULL;
+    }
+
+    uv__handle_close(handle);
+  }
+}

third-party/libuv/src/win/getaddrinfo.c

@@ -0,0 +1,344 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <malloc.h>
+
+#include "uv.h"
+#include "internal.h"
+#include "req-inl.h"
+
+
+/*
+ * MinGW is missing this
+ */
+#if !defined(_MSC_VER) && !defined(__MINGW64_VERSION_MAJOR)
+  typedef struct addrinfoW {
+    int ai_flags;
+    int ai_family;
+    int ai_socktype;
+    int ai_protocol;
+    size_t ai_addrlen;
+    WCHAR* ai_canonname;
+    struct sockaddr* ai_addr;
+    struct addrinfoW* ai_next;
+  } ADDRINFOW, *PADDRINFOW;
+
+  DECLSPEC_IMPORT int WSAAPI GetAddrInfoW(const WCHAR* node,
+                                          const WCHAR* service,
+                                          const ADDRINFOW* hints,
+                                          PADDRINFOW* result);
+
+  DECLSPEC_IMPORT void WSAAPI FreeAddrInfoW(PADDRINFOW pAddrInfo);
+#endif
+
+
+/* adjust size value to be multiple of 4. Use to keep pointer aligned */
+/* Do we need different versions of this for different architectures? */
+#define ALIGNED_SIZE(X)     ((((X) + 3) >> 2) << 2)
+
+
+/* getaddrinfo worker thread implementation */
+static DWORD WINAPI getaddrinfo_thread_proc(void* parameter) {
+  uv_getaddrinfo_t* req = (uv_getaddrinfo_t*) parameter;
+  uv_loop_t* loop = req->loop;
+  int ret;
+
+  assert(req != NULL);
+
+  /* call OS function on this thread */
+  ret = GetAddrInfoW(req->node,
+                     req->service,
+                     req->hints,
+                     &req->res);
+  req->retcode = ret;
+
+  /* post getaddrinfo completed */
+  POST_COMPLETION_FOR_REQ(loop, req);
+
+  return 0;
+}
+
+
+/*
+ * Called from uv_run when complete. Call user specified callback
+ * then free returned addrinfo
+ * Returned addrinfo strings are converted from UTF-16 to UTF-8.
+ *
+ * To minimize allocation we calculate total size required,
+ * and copy all structs and referenced strings into the one block.
+ * Each size calculation is adjusted to avoid unaligned pointers.
+ */
+void uv_process_getaddrinfo_req(uv_loop_t* loop, uv_getaddrinfo_t* req) {
+  int addrinfo_len = 0;
+  int name_len = 0;
+  size_t addrinfo_struct_len = ALIGNED_SIZE(sizeof(struct addrinfo));
+  struct addrinfoW* addrinfow_ptr;
+  struct addrinfo* addrinfo_ptr;
+  char* alloc_ptr = NULL;
+  char* cur_ptr = NULL;
+  int err = 0;
+
+  /* release input parameter memory */
+  if (req->alloc != NULL) {
+    free(req->alloc);
+    req->alloc = NULL;
+  }
+
+  if (req->retcode == 0) {
+    /* convert addrinfoW to addrinfo */
+    /* first calculate required length */
+    addrinfow_ptr = req->res;
+    while (addrinfow_ptr != NULL) {
+      addrinfo_len += addrinfo_struct_len +
+          ALIGNED_SIZE(addrinfow_ptr->ai_addrlen);
+      if (addrinfow_ptr->ai_canonname != NULL) {
+        name_len = uv_utf16_to_utf8(addrinfow_ptr->ai_canonname, -1, NULL, 0);
+        if (name_len == 0) {
+          /* FIXME(bnoordhuis) Retain GetLastError(). */
+          err = UV_EAI_SYSTEM;
+          goto complete;
+        }
+        addrinfo_len += ALIGNED_SIZE(name_len);
+      }
+      addrinfow_ptr = addrinfow_ptr->ai_next;
+    }
+
+    /* allocate memory for addrinfo results */
+    alloc_ptr = (char*)malloc(addrinfo_len);
+
+    /* do conversions */
+    if (alloc_ptr != NULL) {
+      cur_ptr = alloc_ptr;
+      addrinfow_ptr = req->res;
+
+      while (addrinfow_ptr != NULL) {
+        /* copy addrinfo struct data */
+        assert(cur_ptr + addrinfo_struct_len <= alloc_ptr + addrinfo_len);
+        addrinfo_ptr = (struct addrinfo*)cur_ptr;
+        addrinfo_ptr->ai_family = addrinfow_ptr->ai_family;
+        addrinfo_ptr->ai_socktype = addrinfow_ptr->ai_socktype;
+        addrinfo_ptr->ai_protocol = addrinfow_ptr->ai_protocol;
+        addrinfo_ptr->ai_flags = addrinfow_ptr->ai_flags;
+        addrinfo_ptr->ai_addrlen = addrinfow_ptr->ai_addrlen;
+        addrinfo_ptr->ai_canonname = NULL;
+        addrinfo_ptr->ai_addr = NULL;
+        addrinfo_ptr->ai_next = NULL;
+
+        cur_ptr += addrinfo_struct_len;
+
+        /* copy sockaddr */
+        if (addrinfo_ptr->ai_addrlen > 0) {
+          assert(cur_ptr + addrinfo_ptr->ai_addrlen <=
+                 alloc_ptr + addrinfo_len);
+          memcpy(cur_ptr, addrinfow_ptr->ai_addr, addrinfo_ptr->ai_addrlen);
+          addrinfo_ptr->ai_addr = (struct sockaddr*)cur_ptr;
+          cur_ptr += ALIGNED_SIZE(addrinfo_ptr->ai_addrlen);
+        }
+
+        /* convert canonical name to UTF-8 */
+        if (addrinfow_ptr->ai_canonname != NULL) {
+          name_len = uv_utf16_to_utf8(addrinfow_ptr->ai_canonname,
+                                      -1,
+                                      NULL,
+                                      0);
+          assert(name_len > 0);
+          assert(cur_ptr + name_len <= alloc_ptr + addrinfo_len);
+          name_len = uv_utf16_to_utf8(addrinfow_ptr->ai_canonname,
+                                      -1,
+                                      cur_ptr,
+                                      name_len);
+          assert(name_len > 0);
+          addrinfo_ptr->ai_canonname = cur_ptr;
+          cur_ptr += ALIGNED_SIZE(name_len);
+        }
+        assert(cur_ptr <= alloc_ptr + addrinfo_len);
+
+        /* set next ptr */
+        addrinfow_ptr = addrinfow_ptr->ai_next;
+        if (addrinfow_ptr != NULL) {
+          addrinfo_ptr->ai_next = (struct addrinfo*)cur_ptr;
+        }
+      }
+    } else {
+      err = UV_EAI_MEMORY;
+    }
+  } else {
+    /* GetAddrInfo failed */
+    err = uv__getaddrinfo_translate_error(req->retcode);
+  }
+
+  /* return memory to system */
+  if (req->res != NULL) {
+    FreeAddrInfoW(req->res);
+    req->res = NULL;
+  }
+
+complete:
+  uv__req_unregister(loop, req);
+
+  /* finally do callback with converted result */
+  req->getaddrinfo_cb(req, err, (struct addrinfo*)alloc_ptr);
+}
+
+
+void uv_freeaddrinfo(struct addrinfo* ai) {
+  char* alloc_ptr = (char*)ai;
+
+  /* release copied result memory */
+  if (alloc_ptr != NULL) {
+    free(alloc_ptr);
+  }
+}
+
+
+/*
+ * Entry point for getaddrinfo
+ * we convert the UTF-8 strings to UNICODE
+ * and save the UNICODE string pointers in the req
+ * We also copy hints so that caller does not need to keep memory until the
+ * callback.
+ * return 0 if a callback will be made
+ * return error code if validation fails
+ *
+ * To minimize allocation we calculate total size required,
+ * and copy all structs and referenced strings into the one block.
+ * Each size calculation is adjusted to avoid unaligned pointers.
+ */
+int uv_getaddrinfo(uv_loop_t* loop,
+                   uv_getaddrinfo_t* req,
+                   uv_getaddrinfo_cb getaddrinfo_cb,
+                   const char* node,
+                   const char* service,
+                   const struct addrinfo* hints) {
+  int nodesize = 0;
+  int servicesize = 0;
+  int hintssize = 0;
+  char* alloc_ptr = NULL;
+  int err;
+
+  if (req == NULL || getaddrinfo_cb == NULL ||
+     (node == NULL && service == NULL)) {
+    err = WSAEINVAL;
+    goto error;
+  }
+
+  uv_req_init(loop, (uv_req_t*)req);
+
+  req->getaddrinfo_cb = getaddrinfo_cb;
+  req->res = NULL;
+  req->type = UV_GETADDRINFO;
+  req->loop = loop;
+
+  /* calculate required memory size for all input values */
+  if (node != NULL) {
+    nodesize = ALIGNED_SIZE(uv_utf8_to_utf16(node, NULL, 0) * sizeof(WCHAR));
+    if (nodesize == 0) {
+      err = GetLastError();
+      goto error;
+    }
+  }
+
+  if (service != NULL) {
+    servicesize = ALIGNED_SIZE(uv_utf8_to_utf16(service, NULL, 0) *
+                               sizeof(WCHAR));
+    if (servicesize == 0) {
+      err = GetLastError();
+      goto error;
+    }
+  }
+  if (hints != NULL) {
+    hintssize = ALIGNED_SIZE(sizeof(struct addrinfoW));
+  }
+
+  /* allocate memory for inputs, and partition it as needed */
+  alloc_ptr = (char*)malloc(nodesize + servicesize + hintssize);
+  if (!alloc_ptr) {
+    err = WSAENOBUFS;
+    goto error;
+  }
+
+  /* save alloc_ptr now so we can free if error */
+  req->alloc = (void*)alloc_ptr;
+
+  /* convert node string to UTF16 into allocated memory and save pointer in */
+  /* the reques. */
+  if (node != NULL) {
+    req->node = (WCHAR*)alloc_ptr;
+    if (uv_utf8_to_utf16(node,
+                         (WCHAR*) alloc_ptr,
+                         nodesize / sizeof(WCHAR)) == 0) {
+      err = GetLastError();
+      goto error;
+    }
+    alloc_ptr += nodesize;
+  } else {
+    req->node = NULL;
+  }
+
+  /* convert service string to UTF16 into allocated memory and save pointer */
+  /* in the req. */
+  if (service != NULL) {
+    req->service = (WCHAR*)alloc_ptr;
+    if (uv_utf8_to_utf16(service,
+                         (WCHAR*) alloc_ptr,
+                         servicesize / sizeof(WCHAR)) == 0) {
+      err = GetLastError();
+      goto error;
+    }
+    alloc_ptr += servicesize;
+  } else {
+    req->service = NULL;
+  }
+
+  /* copy hints to allocated memory and save pointer in req */
+  if (hints != NULL) {
+    req->hints = (struct addrinfoW*)alloc_ptr;
+    req->hints->ai_family = hints->ai_family;
+    req->hints->ai_socktype = hints->ai_socktype;
+    req->hints->ai_protocol = hints->ai_protocol;
+    req->hints->ai_flags = hints->ai_flags;
+    req->hints->ai_addrlen = 0;
+    req->hints->ai_canonname = NULL;
+    req->hints->ai_addr = NULL;
+    req->hints->ai_next = NULL;
+  } else {
+    req->hints = NULL;
+  }
+
+  /* Ask thread to run. Treat this as a long operation */
+  if (QueueUserWorkItem(&getaddrinfo_thread_proc,
+                        req,
+                        WT_EXECUTELONGFUNCTION) == 0) {
+    err = GetLastError();
+    goto error;
+  }
+
+  uv__req_register(loop, req);
+
+  return 0;
+
+error:
+  if (req != NULL && req->alloc != NULL) {
+    free(req->alloc);
+  }
+  return uv_translate_sys_error(err);
+}

third-party/libuv/src/win/handle-inl.h

@@ -0,0 +1,179 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef UV_WIN_HANDLE_INL_H_
+#define UV_WIN_HANDLE_INL_H_
+
+#include <assert.h>
+#include <io.h>
+
+#include "uv.h"
+#include "internal.h"
+
+
+#define DECREASE_ACTIVE_COUNT(loop, handle)                             \
+  do {                                                                  \
+    if (--(handle)->activecnt == 0 &&                                   \
+        !((handle)->flags & UV__HANDLE_CLOSING)) {                      \
+      uv__handle_stop((handle));                                        \
+    }                                                                   \
+    assert((handle)->activecnt >= 0);                                   \
+  } while (0)
+
+
+#define INCREASE_ACTIVE_COUNT(loop, handle)                             \
+  do {                                                                  \
+    if ((handle)->activecnt++ == 0) {                                   \
+      uv__handle_start((handle));                                       \
+    }                                                                   \
+    assert((handle)->activecnt > 0);                                    \
+  } while (0)
+
+
+#define DECREASE_PENDING_REQ_COUNT(handle)                              \
+  do {                                                                  \
+    assert(handle->reqs_pending > 0);                                   \
+    handle->reqs_pending--;                                             \
+                                                                        \
+    if (handle->flags & UV__HANDLE_CLOSING &&                           \
+        handle->reqs_pending == 0) {                                    \
+      uv_want_endgame(loop, (uv_handle_t*)handle);                      \
+    }                                                                   \
+  } while (0)
+
+
+#define uv__handle_closing(handle)                                      \
+  do {                                                                  \
+    assert(!((handle)->flags & UV__HANDLE_CLOSING));                    \
+                                                                        \
+    if (!(((handle)->flags & UV__HANDLE_ACTIVE) &&                      \
+          ((handle)->flags & UV__HANDLE_REF)))                          \
+      uv__active_handle_add((uv_handle_t*) (handle));                   \
+                                                                        \
+    (handle)->flags |= UV__HANDLE_CLOSING;                              \
+    (handle)->flags &= ~UV__HANDLE_ACTIVE;                              \
+  } while (0)
+
+
+#define uv__handle_close(handle)                                        \
+  do {                                                                  \
+    QUEUE_REMOVE(&(handle)->handle_queue);                              \
+    uv__active_handle_rm((uv_handle_t*) (handle));                      \
+                                                                        \
+    (handle)->flags |= UV_HANDLE_CLOSED;                                \
+                                                                        \
+    if ((handle)->close_cb)                                             \
+      (handle)->close_cb((uv_handle_t*) (handle));                      \
+  } while (0)
+
+
+INLINE static void uv_want_endgame(uv_loop_t* loop, uv_handle_t* handle) {
+  if (!(handle->flags & UV_HANDLE_ENDGAME_QUEUED)) {
+    handle->flags |= UV_HANDLE_ENDGAME_QUEUED;
+
+    handle->endgame_next = loop->endgame_handles;
+    loop->endgame_handles = handle;
+  }
+}
+
+
+INLINE static void uv_process_endgames(uv_loop_t* loop) {
+  uv_handle_t* handle;
+
+  while (loop->endgame_handles) {
+    handle = loop->endgame_handles;
+    loop->endgame_handles = handle->endgame_next;
+
+    handle->flags &= ~UV_HANDLE_ENDGAME_QUEUED;
+
+    switch (handle->type) {
+      case UV_TCP:
+        uv_tcp_endgame(loop, (uv_tcp_t*) handle);
+        break;
+
+      case UV_NAMED_PIPE:
+        uv_pipe_endgame(loop, (uv_pipe_t*) handle);
+        break;
+
+      case UV_TTY:
+        uv_tty_endgame(loop, (uv_tty_t*) handle);
+        break;
+
+      case UV_UDP:
+        uv_udp_endgame(loop, (uv_udp_t*) handle);
+        break;
+
+      case UV_POLL:
+        uv_poll_endgame(loop, (uv_poll_t*) handle);
+        break;
+
+      case UV_TIMER:
+        uv_timer_endgame(loop, (uv_timer_t*) handle);
+        break;
+
+      case UV_PREPARE:
+      case UV_CHECK:
+      case UV_IDLE:
+        uv_loop_watcher_endgame(loop, handle);
+        break;
+
+      case UV_ASYNC:
+        uv_async_endgame(loop, (uv_async_t*) handle);
+        break;
+
+      case UV_SIGNAL:
+        uv_signal_endgame(loop, (uv_signal_t*) handle);
+        break;
+
+      case UV_PROCESS:
+        uv_process_endgame(loop, (uv_process_t*) handle);
+        break;
+
+      case UV_FS_EVENT:
+        uv_fs_event_endgame(loop, (uv_fs_event_t*) handle);
+        break;
+
+      case UV_FS_POLL:
+        uv__fs_poll_endgame(loop, (uv_fs_poll_t*) handle);
+        break;
+
+      default:
+        assert(0);
+        break;
+    }
+  }
+}
+
+INLINE static HANDLE uv__get_osfhandle(int fd)
+{
+  /* _get_osfhandle() raises an assert in debug builds if the FD is invalid. */
+  /* But  it also correctly checks the FD and returns INVALID_HANDLE_VALUE */
+  /* for invalid FDs in release builds (or if you let the assert continue).  */
+  /* So this wrapper function disables asserts when calling _get_osfhandle. */
+  
+  HANDLE handle;
+  UV_BEGIN_DISABLE_CRT_ASSERT();
+  handle = (HANDLE) _get_osfhandle(fd);
+  UV_END_DISABLE_CRT_ASSERT();
+  return handle;
+}
+
+#endif /* UV_WIN_HANDLE_INL_H_ */

third-party/libuv/src/win/handle.c

@@ -0,0 +1,154 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <io.h>
+#include <stdlib.h>
+
+#include "uv.h"
+#include "internal.h"
+#include "handle-inl.h"
+
+
+uv_handle_type uv_guess_handle(uv_file file) {
+  HANDLE handle;
+  DWORD mode;
+
+  if (file < 0) {
+    return UV_UNKNOWN_HANDLE;
+  }
+
+  handle = uv__get_osfhandle(file);
+
+  switch (GetFileType(handle)) {
+    case FILE_TYPE_CHAR:
+      if (GetConsoleMode(handle, &mode)) {
+        return UV_TTY;
+      } else {
+        return UV_FILE;
+      }
+
+    case FILE_TYPE_PIPE:
+      return UV_NAMED_PIPE;
+
+    case FILE_TYPE_DISK:
+      return UV_FILE;
+
+    default:
+      return UV_UNKNOWN_HANDLE;
+  }
+}
+
+
+int uv_is_active(const uv_handle_t* handle) {
+  return (handle->flags & UV__HANDLE_ACTIVE) &&
+        !(handle->flags & UV__HANDLE_CLOSING);
+}
+
+
+void uv_close(uv_handle_t* handle, uv_close_cb cb) {
+  uv_loop_t* loop = handle->loop;
+
+  if (handle->flags & UV__HANDLE_CLOSING) {
+    assert(0);
+    return;
+  }
+
+  handle->close_cb = cb;
+
+  /* Handle-specific close actions */
+  switch (handle->type) {
+    case UV_TCP:
+      uv_tcp_close(loop, (uv_tcp_t*)handle);
+      return;
+
+    case UV_NAMED_PIPE:
+      uv_pipe_close(loop, (uv_pipe_t*) handle);
+      return;
+
+    case UV_TTY:
+      uv_tty_close((uv_tty_t*) handle);
+      return;
+
+    case UV_UDP:
+      uv_udp_close(loop, (uv_udp_t*) handle);
+      return;
+
+    case UV_POLL:
+      uv_poll_close(loop, (uv_poll_t*) handle);
+      return;
+
+    case UV_TIMER:
+      uv_timer_stop((uv_timer_t*)handle);
+      uv__handle_closing(handle);
+      uv_want_endgame(loop, handle);
+      return;
+
+    case UV_PREPARE:
+      uv_prepare_stop((uv_prepare_t*)handle);
+      uv__handle_closing(handle);
+      uv_want_endgame(loop, handle);
+      return;
+
+    case UV_CHECK:
+      uv_check_stop((uv_check_t*)handle);
+      uv__handle_closing(handle);
+      uv_want_endgame(loop, handle);
+      return;
+
+    case UV_IDLE:
+      uv_idle_stop((uv_idle_t*)handle);
+      uv__handle_closing(handle);
+      uv_want_endgame(loop, handle);
+      return;
+
+    case UV_ASYNC:
+      uv_async_close(loop, (uv_async_t*) handle);
+      return;
+
+    case UV_SIGNAL:
+      uv_signal_close(loop, (uv_signal_t*) handle);
+      return;
+
+    case UV_PROCESS:
+      uv_process_close(loop, (uv_process_t*) handle);
+      return;
+
+    case UV_FS_EVENT:
+      uv_fs_event_close(loop, (uv_fs_event_t*) handle);
+      return;
+
+    case UV_FS_POLL:
+      uv__fs_poll_close((uv_fs_poll_t*) handle);
+      uv__handle_closing(handle);
+      uv_want_endgame(loop, handle);
+      return;
+
+    default:
+      /* Not supported */
+      abort();
+  }
+}
+
+
+int uv_is_closing(const uv_handle_t* handle) {
+  return !!(handle->flags & (UV__HANDLE_CLOSING | UV_HANDLE_CLOSED));
+}

third-party/libuv/src/win/internal.h

@@ -0,0 +1,379 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef UV_WIN_INTERNAL_H_
+#define UV_WIN_INTERNAL_H_
+
+#include "uv.h"
+#include "../uv-common.h"
+
+#include "tree.h"
+#include "winapi.h"
+#include "winsock.h"
+
+#ifdef _MSC_VER
+# define INLINE __inline
+#else
+# define INLINE inline
+#endif
+
+
+#ifdef _DEBUG
+extern __declspec( thread ) int uv__crt_assert_enabled;
+
+#define UV_BEGIN_DISABLE_CRT_ASSERT()                           \
+  {                                                             \
+    int uv__saved_crt_assert_enabled = uv__crt_assert_enabled;  \
+    uv__crt_assert_enabled = FALSE;
+  
+
+#define UV_END_DISABLE_CRT_ASSERT()                             \
+    uv__crt_assert_enabled = uv__saved_crt_assert_enabled;      \
+  }
+
+#else
+#define UV_BEGIN_DISABLE_CRT_ASSERT()
+#define UV_END_DISABLE_CRT_ASSERT()
+#endif
+
+/*
+ * Handles
+ * (also see handle-inl.h)
+ */
+
+/* Used by all handles. */
+#define UV_HANDLE_CLOSED                        0x00000002
+#define UV_HANDLE_ENDGAME_QUEUED                0x00000004
+#define UV_HANDLE_ACTIVE                        0x00000010
+
+/* uv-common.h: #define UV__HANDLE_CLOSING      0x00000001 */
+/* uv-common.h: #define UV__HANDLE_ACTIVE       0x00000040 */
+/* uv-common.h: #define UV__HANDLE_REF          0x00000020 */
+/* uv-common.h: #define UV_HANDLE_INTERNAL      0x00000080 */
+
+/* Used by streams and UDP handles. */
+#define UV_HANDLE_READING                       0x00000100
+#define UV_HANDLE_BOUND                         0x00000200
+#define UV_HANDLE_BIND_ERROR                    0x00000400
+#define UV_HANDLE_LISTENING                     0x00000800
+#define UV_HANDLE_CONNECTION                    0x00001000
+#define UV_HANDLE_CONNECTED                     0x00002000
+#define UV_HANDLE_READABLE                      0x00008000
+#define UV_HANDLE_WRITABLE                      0x00010000
+#define UV_HANDLE_READ_PENDING                  0x00020000
+#define UV_HANDLE_SYNC_BYPASS_IOCP              0x00040000
+#define UV_HANDLE_ZERO_READ                     0x00080000
+#define UV_HANDLE_EMULATE_IOCP                  0x00100000
+#define UV_HANDLE_BLOCKING_WRITES               0x00200000
+
+/* Only used by uv_tcp_t handles. */
+#define UV_HANDLE_IPV6                          0x01000000
+#define UV_HANDLE_TCP_NODELAY                   0x02000000
+#define UV_HANDLE_TCP_KEEPALIVE                 0x04000000
+#define UV_HANDLE_TCP_SINGLE_ACCEPT             0x08000000
+#define UV_HANDLE_TCP_ACCEPT_STATE_CHANGING     0x10000000
+#define UV_HANDLE_TCP_SOCKET_CLOSED             0x20000000
+#define UV_HANDLE_SHARED_TCP_SOCKET             0x40000000
+
+/* Only used by uv_pipe_t handles. */
+#define UV_HANDLE_NON_OVERLAPPED_PIPE           0x01000000
+#define UV_HANDLE_PIPESERVER                    0x02000000
+
+/* Only used by uv_tty_t handles. */
+#define UV_HANDLE_TTY_READABLE                  0x01000000
+#define UV_HANDLE_TTY_RAW                       0x02000000
+#define UV_HANDLE_TTY_SAVED_POSITION            0x04000000
+#define UV_HANDLE_TTY_SAVED_ATTRIBUTES          0x08000000
+
+/* Only used by uv_poll_t handles. */
+#define UV_HANDLE_POLL_SLOW                     0x02000000
+
+
+/*
+ * Requests: see req-inl.h
+ */
+
+
+/*
+ * Streams: see stream-inl.h
+ */
+
+
+/*
+ * TCP
+ */
+int uv_tcp_listen(uv_tcp_t* handle, int backlog, uv_connection_cb cb);
+int uv_tcp_accept(uv_tcp_t* server, uv_tcp_t* client);
+int uv_tcp_read_start(uv_tcp_t* handle, uv_alloc_cb alloc_cb,
+    uv_read_cb read_cb);
+int uv_tcp_write(uv_loop_t* loop, uv_write_t* req, uv_tcp_t* handle,
+    const uv_buf_t bufs[], unsigned int nbufs, uv_write_cb cb);
+
+void uv_process_tcp_read_req(uv_loop_t* loop, uv_tcp_t* handle, uv_req_t* req);
+void uv_process_tcp_write_req(uv_loop_t* loop, uv_tcp_t* handle,
+    uv_write_t* req);
+void uv_process_tcp_accept_req(uv_loop_t* loop, uv_tcp_t* handle,
+    uv_req_t* req);
+void uv_process_tcp_connect_req(uv_loop_t* loop, uv_tcp_t* handle,
+    uv_connect_t* req);
+
+void uv_tcp_close(uv_loop_t* loop, uv_tcp_t* tcp);
+void uv_tcp_endgame(uv_loop_t* loop, uv_tcp_t* handle);
+
+int uv_tcp_import(uv_tcp_t* tcp, WSAPROTOCOL_INFOW* socket_protocol_info,
+    int tcp_connection);
+
+int uv_tcp_duplicate_socket(uv_tcp_t* handle, int pid,
+    LPWSAPROTOCOL_INFOW protocol_info);
+
+
+/*
+ * UDP
+ */
+void uv_process_udp_recv_req(uv_loop_t* loop, uv_udp_t* handle, uv_req_t* req);
+void uv_process_udp_send_req(uv_loop_t* loop, uv_udp_t* handle,
+    uv_udp_send_t* req);
+
+void uv_udp_close(uv_loop_t* loop, uv_udp_t* handle);
+void uv_udp_endgame(uv_loop_t* loop, uv_udp_t* handle);
+
+
+/*
+ * Pipes
+ */
+int uv_stdio_pipe_server(uv_loop_t* loop, uv_pipe_t* handle, DWORD access,
+    char* name, size_t nameSize);
+
+int uv_pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb);
+int uv_pipe_accept(uv_pipe_t* server, uv_stream_t* client);
+int uv_pipe_read_start(uv_pipe_t* handle, uv_alloc_cb alloc_cb,
+    uv_read_cb read_cb);
+int uv_pipe_read2_start(uv_pipe_t* handle, uv_alloc_cb alloc_cb,
+    uv_read2_cb read_cb);
+int uv_pipe_write(uv_loop_t* loop, uv_write_t* req, uv_pipe_t* handle,
+    const uv_buf_t bufs[], unsigned int nbufs, uv_write_cb cb);
+int uv_pipe_write2(uv_loop_t* loop, uv_write_t* req, uv_pipe_t* handle,
+    const uv_buf_t bufs[], unsigned int nbufs, uv_stream_t* send_handle,
+    uv_write_cb cb);
+
+void uv_process_pipe_read_req(uv_loop_t* loop, uv_pipe_t* handle,
+    uv_req_t* req);
+void uv_process_pipe_write_req(uv_loop_t* loop, uv_pipe_t* handle,
+    uv_write_t* req);
+void uv_process_pipe_accept_req(uv_loop_t* loop, uv_pipe_t* handle,
+    uv_req_t* raw_req);
+void uv_process_pipe_connect_req(uv_loop_t* loop, uv_pipe_t* handle,
+    uv_connect_t* req);
+void uv_process_pipe_shutdown_req(uv_loop_t* loop, uv_pipe_t* handle,
+    uv_shutdown_t* req);
+
+void uv_pipe_close(uv_loop_t* loop, uv_pipe_t* handle);
+void uv_pipe_cleanup(uv_loop_t* loop, uv_pipe_t* handle);
+void uv_pipe_endgame(uv_loop_t* loop, uv_pipe_t* handle);
+
+
+/*
+ * TTY
+ */
+void uv_console_init();
+
+int uv_tty_read_start(uv_tty_t* handle, uv_alloc_cb alloc_cb,
+    uv_read_cb read_cb);
+int uv_tty_read_stop(uv_tty_t* handle);
+int uv_tty_write(uv_loop_t* loop, uv_write_t* req, uv_tty_t* handle,
+    const uv_buf_t bufs[], unsigned int nbufs, uv_write_cb cb);
+void uv_tty_close(uv_tty_t* handle);
+
+void uv_process_tty_read_req(uv_loop_t* loop, uv_tty_t* handle,
+    uv_req_t* req);
+void uv_process_tty_write_req(uv_loop_t* loop, uv_tty_t* handle,
+    uv_write_t* req);
+/* TODO: remove me */
+void uv_process_tty_accept_req(uv_loop_t* loop, uv_tty_t* handle,
+    uv_req_t* raw_req);
+/* TODO: remove me */
+void uv_process_tty_connect_req(uv_loop_t* loop, uv_tty_t* handle,
+    uv_connect_t* req);
+
+void uv_tty_endgame(uv_loop_t* loop, uv_tty_t* handle);
+
+
+/*
+ * Poll watchers
+ */
+void uv_process_poll_req(uv_loop_t* loop, uv_poll_t* handle,
+    uv_req_t* req);
+
+int uv_poll_close(uv_loop_t* loop, uv_poll_t* handle);
+void uv_poll_endgame(uv_loop_t* loop, uv_poll_t* handle);
+
+
+/*
+ * Timers
+ */
+void uv_timer_endgame(uv_loop_t* loop, uv_timer_t* handle);
+
+DWORD uv_get_poll_timeout(uv_loop_t* loop);
+void uv__time_forward(uv_loop_t* loop, uint64_t msecs);
+void uv_process_timers(uv_loop_t* loop);
+
+
+/*
+ * Loop watchers
+ */
+void uv_loop_watcher_endgame(uv_loop_t* loop, uv_handle_t* handle);
+
+void uv_prepare_invoke(uv_loop_t* loop);
+void uv_check_invoke(uv_loop_t* loop);
+void uv_idle_invoke(uv_loop_t* loop);
+
+void uv__once_init();
+
+
+/*
+ * Async watcher
+ */
+void uv_async_close(uv_loop_t* loop, uv_async_t* handle);
+void uv_async_endgame(uv_loop_t* loop, uv_async_t* handle);
+
+void uv_process_async_wakeup_req(uv_loop_t* loop, uv_async_t* handle,
+    uv_req_t* req);
+
+
+/*
+ * Signal watcher
+ */
+void uv_signals_init();
+int uv__signal_dispatch(int signum);
+
+void uv_signal_close(uv_loop_t* loop, uv_signal_t* handle);
+void uv_signal_endgame(uv_loop_t* loop, uv_signal_t* handle);
+
+void uv_process_signal_req(uv_loop_t* loop, uv_signal_t* handle,
+    uv_req_t* req);
+
+
+/*
+ * Spawn
+ */
+void uv_process_proc_exit(uv_loop_t* loop, uv_process_t* handle);
+void uv_process_close(uv_loop_t* loop, uv_process_t* handle);
+void uv_process_endgame(uv_loop_t* loop, uv_process_t* handle);
+
+
+/*
+ * Error
+ */
+int uv_translate_sys_error(int sys_errno);
+
+
+/*
+ * Getaddrinfo
+ */
+void uv_process_getaddrinfo_req(uv_loop_t* loop, uv_getaddrinfo_t* req);
+
+
+/*
+ * FS
+ */
+void uv_fs_init();
+void uv_process_fs_req(uv_loop_t* loop, uv_fs_t* req);
+
+
+/*
+ * Threadpool
+ */
+void uv_process_work_req(uv_loop_t* loop, uv_work_t* req);
+
+
+/*
+ * FS Event
+ */
+void uv_process_fs_event_req(uv_loop_t* loop, uv_req_t* req,
+    uv_fs_event_t* handle);
+void uv_fs_event_close(uv_loop_t* loop, uv_fs_event_t* handle);
+void uv_fs_event_endgame(uv_loop_t* loop, uv_fs_event_t* handle);
+
+
+/*
+ * Stat poller.
+ */
+void uv__fs_poll_endgame(uv_loop_t* loop, uv_fs_poll_t* handle);
+
+
+/*
+ * Utilities.
+ */
+void uv__util_init();
+
+int uv_parent_pid();
+void uv_fatal_error(const int errorno, const char* syscall);
+
+
+/*
+ * Process stdio handles.
+ */
+int uv__stdio_create(uv_loop_t* loop,
+                     const uv_process_options_t* options,
+                     BYTE** buffer_ptr);
+void uv__stdio_destroy(BYTE* buffer);
+void uv__stdio_noinherit(BYTE* buffer);
+int uv__stdio_verify(BYTE* buffer, WORD size);
+WORD uv__stdio_size(BYTE* buffer);
+HANDLE uv__stdio_handle(BYTE* buffer, int fd);
+
+
+/*
+ * Winapi and ntapi utility functions
+ */
+void uv_winapi_init();
+
+
+/*
+ * Winsock utility functions
+ */
+void uv_winsock_init();
+
+int uv_ntstatus_to_winsock_error(NTSTATUS status);
+
+BOOL uv_get_acceptex_function(SOCKET socket, LPFN_ACCEPTEX* target);
+BOOL uv_get_connectex_function(SOCKET socket, LPFN_CONNECTEX* target);
+
+int WSAAPI uv_wsarecv_workaround(SOCKET socket, WSABUF* buffers,
+    DWORD buffer_count, DWORD* bytes, DWORD* flags, WSAOVERLAPPED *overlapped,
+    LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine);
+int WSAAPI uv_wsarecvfrom_workaround(SOCKET socket, WSABUF* buffers,
+    DWORD buffer_count, DWORD* bytes, DWORD* flags, struct sockaddr* addr,
+    int* addr_len, WSAOVERLAPPED *overlapped,
+    LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine);
+
+int WSAAPI uv_msafd_poll(SOCKET socket, AFD_POLL_INFO* info,
+    OVERLAPPED* overlapped);
+
+/* Whether there are any non-IFS LSPs stacked on TCP */
+extern int uv_tcp_non_ifs_lsp_ipv4;
+extern int uv_tcp_non_ifs_lsp_ipv6;
+
+/* Ip address used to bind to any port at any interface */
+extern struct sockaddr_in uv_addr_ip4_any_;
+extern struct sockaddr_in6 uv_addr_ip6_any_;
+
+#endif /* UV_WIN_INTERNAL_H_ */