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posix_spawnattr_setflags(3): validate argument

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(cherry picked from commit 80ac36c3a2a87a19790eba487466bf70d55f566e)
This commit is contained in:
Konstantin Belousov 2024-03-03 15:19:37 +02:00
parent 965f92a282
commit eb36277dc9
2 changed files with 9 additions and 2 deletions
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4
lib/libc/gen/posix_spawn.c
View file

@ -629,6 +629,10 @@ posix_spawnattr_getsigmask(const posix_spawnattr_t * __restrict sa,
int
posix_spawnattr_setflags(posix_spawnattr_t *sa, short flags)
{
if ((flags & ~(POSIX_SPAWN_RESETIDS | POSIX_SPAWN_SETPGROUP |
POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER |
POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK)) != 0)
return (EINVAL);
(*sa)->sa_flags = flags;
return (0);
}

7
lib/libc/gen/posix_spawnattr_getflags.3
View file

@ -83,9 +83,12 @@ The default value of this attribute is as if no flags were set.
.Sh RETURN VALUES
The
.Fn posix_spawnattr_getflags
and
function returns zero.
The
.Fn posix_spawnattr_setflags
functions return zero.
function returns zero on success, and
.Er EINVAL
on failure due to invalid flag specified.
.Sh SEE ALSO
.Xr posix_spawn 3 ,
.Xr posix_spawnattr_destroy 3 ,