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https://github.com/nim-lang/Nim.git
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e512358bc9
* avoid generating object fields for imported types * fix some abi/type issues for linux_amd64
95 lines
3.7 KiB
Nim
95 lines
3.7 KiB
Nim
#
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#
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# Nim's Runtime Library
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# (c) Copyright 2013 Dominik Picheta
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#
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# See the file "copying.txt", included in this
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# distribution, for details about the copyright.
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#
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{.deadCodeElim:on.}
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from posix import SocketHandle
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const
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EPOLLIN* = 0x00000001
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EPOLLPRI* = 0x00000002
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EPOLLOUT* = 0x00000004
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EPOLLERR* = 0x00000008
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EPOLLHUP* = 0x00000010
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EPOLLRDNORM* = 0x00000040
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EPOLLRDBAND* = 0x00000080
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EPOLLWRNORM* = 0x00000100
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EPOLLWRBAND* = 0x00000200
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EPOLLMSG* = 0x00000400
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EPOLLRDHUP* = 0x00002000
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EPOLLWAKEUP* = 1 shl 29
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EPOLLONESHOT* = 1 shl 30
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EPOLLET* = 1 shl 31
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# Valid opcodes ( "op" parameter ) to issue to epoll_ctl().
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const
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EPOLL_CTL_ADD* = 1 # Add a file descriptor to the interface.
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EPOLL_CTL_DEL* = 2 # Remove a file descriptor from the interface.
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EPOLL_CTL_MOD* = 3 # Change file descriptor epoll_event structure.
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type
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epoll_data* {.importc: "union epoll_data",
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header: "<sys/epoll.h>", pure, final.} = object # TODO: This is actually a union.
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#thePtr* {.importc: "ptr".}: pointer
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fd* {.importc: "fd".}: cint
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when defined(linux) and defined(amd64):
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u32: uint32 # this field ensures that binary size is right - it cannot be
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# used because its offset is wrong
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#u64*: uint64
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epoll_event* {.importc: "struct epoll_event", header: "<sys/epoll.h>", pure, final.} = object
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events*: uint32 # Epoll events
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data*: epoll_data # User data variable
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proc epoll_create*(size: cint): cint {.importc: "epoll_create",
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header: "<sys/epoll.h>".}
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## Creates an epoll instance. Returns an fd for the new instance.
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## The "size" parameter is a hint specifying the number of file
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## descriptors to be associated with the new instance. The fd
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## returned by epoll_create() should be closed with close().
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proc epoll_create1*(flags: cint): cint {.importc: "epoll_create1",
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header: "<sys/epoll.h>".}
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## Same as epoll_create but with an FLAGS parameter. The unused SIZE
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## parameter has been dropped.
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proc epoll_ctl*(epfd: cint; op: cint; fd: cint | SocketHandle; event: ptr epoll_event): cint {.
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importc: "epoll_ctl", header: "<sys/epoll.h>".}
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## Manipulate an epoll instance "epfd". Returns 0 in case of success,
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## -1 in case of error ( the "errno" variable will contain the
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## specific error code ) The "op" parameter is one of the EPOLL_CTL_*
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## constants defined above. The "fd" parameter is the target of the
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## operation. The "event" parameter describes which events the caller
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## is interested in and any associated user data.
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proc epoll_wait*(epfd: cint; events: ptr epoll_event; maxevents: cint;
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timeout: cint): cint {.importc: "epoll_wait",
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header: "<sys/epoll.h>".}
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## Wait for events on an epoll instance "epfd". Returns the number of
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## triggered events returned in "events" buffer. Or -1 in case of
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## error with the "errno" variable set to the specific error code. The
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## "events" parameter is a buffer that will contain triggered
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## events. The "maxevents" is the maximum number of events to be
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## returned ( usually size of "events" ). The "timeout" parameter
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## specifies the maximum wait time in milliseconds (-1 == infinite).
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##
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## This function is a cancellation point and therefore not marked with
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## __THROW.
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#proc epoll_pwait*(epfd: cint; events: ptr epoll_event; maxevents: cint;
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# timeout: cint; ss: ptr sigset_t): cint {.
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# importc: "epoll_pwait", header: "<sys/epoll.h>".}
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# Same as epoll_wait, but the thread's signal mask is temporarily
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# and atomically replaced with the one provided as parameter.
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#
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# This function is a cancellation point and therefore not marked with
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# __THROW.
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