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[BZ 21340] add support for POSIX_SPAWN_SETSID

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This patch adds support for the POSIX_SPAWN_SETSID flag.

It was recently accepted by the Austin Group:
http://austingroupbugs.net/view.php?id=1044

Checked on x86_64

	Daurnimator  <quae@daurnimator.com>
	Adhemerval Zanella  <adhemerval.zanella@linaro.org>

	[BZ #21340]
	* posix/Makefile (tests): Add tst-posix_spawn-setsid to list of tests.
	* posix/spawn.h: define POSIX_SPAWN_SETSID flag.
	* posix/spawnattr_setflags.c (ALL_FLAGS): Add POSIX_SPAWN_SETSID to
	valid flags.
	* posix/tst-posix_spawn-setsid.c: Add test for POSIX_SPAWN_SETSID.
	* sysdeps/mach/hurd/spawni.c (__spawni): Implementation of
	POSIX_SPAWN_SETSID.
	* sysdeps/posix/spawni.c (__spawni): Likewise.
	* sysdeps/unix/sysv/linux/spawni.c (__spawni_child): Likewise.
	* NEWS: Add note about POSIX_SPAWN_SETSID support.
This commit is contained in:
Adhemerval Zanella
2017-04-21 10:40:56 -03:00
parent 9581e76dbb
commit daeb1fa2e1
9 changed files with 131 additions and 2 deletions
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4
sysdeps/unix/sysv/linux/spawni.c
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@ -177,6 +177,10 @@ __spawni_child (void *arguments)
}
#endif
if ((attr->__flags & POSIX_SPAWN_SETSID) != 0
&& __setsid () < 0)
goto fail;
/* Set the process group ID. */
if ((attr->__flags & POSIX_SPAWN_SETPGROUP) != 0
&& (ret = __setpgid (0, attr->__pgrp)) != 0)