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| author | ru <ru@FreeBSD.org> | 2004-07-02 16:45:56 +0000 |
|---|---|---|
| committer | ru <ru@FreeBSD.org> | 2004-07-02 16:45:56 +0000 |
| commit | 9d678b540a55cef6a0dc68e22adef0aa02d0aaa1 (patch) | |
| tree | 78dccaeba712e69b1159fb258d39913bc17f4612 /lib/libc/gen/sem_wait.3 | |
| parent | 627ed40f49cb6d2aba1199b177f148ec46edb90d (diff) | |
| download | FreeBSD-src-9d678b540a55cef6a0dc68e22adef0aa02d0aaa1.zip FreeBSD-src-9d678b540a55cef6a0dc68e22adef0aa02d0aaa1.tar.gz | |
Markup tidying.
Diffstat (limited to 'lib/libc/gen/sem_wait.3')
| -rw-r--r-- | lib/libc/gen/sem_wait.3 | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/libc/gen/sem_wait.3 b/lib/libc/gen/sem_wait.3 index 1307aab..b6c3b7c 100644 --- a/lib/libc/gen/sem_wait.3 +++ b/lib/libc/gen/sem_wait.3 @@ -26,6 +26,7 @@ .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .\" $FreeBSD$ +.\" .Dd February 15, 2000 .Dt SEM_WAIT 3 .Os @@ -54,7 +55,8 @@ The .Fn sem_trywait function decrements (locks) the semaphore pointed to by .Fa sem -only if the value is non-zero. Otherwise, the semaphore is not decremented and +only if the value is non-zero. +Otherwise, the semaphore is not decremented and an error is returned. .Sh RETURN VALUES .Rv -std @@ -66,7 +68,9 @@ and functions will fail if: .Bl -tag -width Er .It Bq Er EINVAL +The .Fa sem +argument points to an invalid semaphore. .El .Pp |
