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NuttX: use posix_spawn for osproc (#21539)

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NuttX has standard posix_spawn interface, and can be used with it.

* https://nuttx.apache.org/docs/12.0.0/reference/user/01_task_control.html#c.posix_spawn
This commit is contained in:
Hiroki Noda
2023-03-21 02:43:10 +09:00
committed by GitHub
parent 0c1d595fae
commit ae06c6623d
2 changed files with 11 additions and 9 deletions
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10
lib/posix/posix_other.nim
View File

@@ -10,7 +10,7 @@
when defined(nimHasStyleChecks):
{.push styleChecks: off.}
when defined(freertos) or defined(zephyr) or defined(nuttx):
when defined(freertos) or defined(zephyr):
const
hasSpawnH = false # should exist for every Posix system nowadays
hasAioH = false
@@ -675,14 +675,14 @@ when defined(haiku):
when hasSpawnH:
when defined(linux):
# better be safe than sorry; Linux has this flag, macosx doesn't, don't
# know about the other OSes
# better be safe than sorry; Linux has this flag, macosx and NuttX don't,
# don't know about the other OSes
# Non-GNU systems like TCC and musl-libc don't define __USE_GNU, so we
# Non-GNU systems like TCC and musl-libc don't define __USE_GNU, so we
# can't get the magic number from spawn.h
const POSIX_SPAWN_USEVFORK* = cint(0x40)
else:
# macosx lacks this, so we define the constant to be 0 to not affect
# macosx and NuttX lack this, so we define the constant to be 0 to not affect
# OR'ing of flags:
const POSIX_SPAWN_USEVFORK* = cint(0)

10
lib/pure/osproc.nim
View File

@@ -1053,13 +1053,15 @@ elif not defined(useNimRtl):
var mask: Sigset
chck sigemptyset(mask)
chck posix_spawnattr_setsigmask(attr, mask)
if poDaemon in data.options:
chck posix_spawnattr_setpgroup(attr, 0'i32)
when not defined(nuttx):
if poDaemon in data.options:
chck posix_spawnattr_setpgroup(attr, 0'i32)
var flags = POSIX_SPAWN_USEVFORK or
POSIX_SPAWN_SETSIGMASK
if poDaemon in data.options:
flags = flags or POSIX_SPAWN_SETPGROUP
when not defined(nuttx):
if poDaemon in data.options:
flags = flags or POSIX_SPAWN_SETPGROUP
chck posix_spawnattr_setflags(attr, flags)
if not (poParentStreams in data.options):