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| author | jasone <jasone@FreeBSD.org> | 2000-08-01 21:19:09 +0000 |
|---|---|---|
| committer | jasone <jasone@FreeBSD.org> | 2000-08-01 21:19:09 +0000 |
| commit | a8691b84207f1350a08bf646a6b0ef37b86d24c0 (patch) | |
| tree | 293b7aa4daa81b04615ec6d65bceb18c967e3c56 /lib/libc/gen | |
| parent | d0631cde55a2d25fa1322a6b9aa2b01729dc19b4 (diff) | |
| download | FreeBSD-src-a8691b84207f1350a08bf646a6b0ef37b86d24c0.zip FreeBSD-src-a8691b84207f1350a08bf646a6b0ef37b86d24c0.tar.gz | |
Make sem_post() safe to call from within a signal handler, as required by
POSIX/SUSv2.
Diffstat (limited to 'lib/libc/gen')
| -rw-r--r-- | lib/libc/gen/sem_post.3 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/libc/gen/sem_post.3 b/lib/libc/gen/sem_post.3 index 906d86d..34fef83 100644 --- a/lib/libc/gen/sem_post.3 +++ b/lib/libc/gen/sem_post.3 @@ -48,6 +48,9 @@ If there are threads blocked on the semaphore when is called, then the highest priority thread that has been blocked the longest on the semaphore will be allowed to return from .Fn sem_wait . +.Pp +.Fn sem_post +is signal-reentrant and may be called within signal handlers. .Sh RETURN VALUES If successful, .Fn sem_post |
