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| author | jhb <jhb@FreeBSD.org> | 2013-04-16 20:26:31 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2013-04-16 20:26:31 +0000 |
| commit | 0ed1bc2e92ec2a84dd3da0bc98f296edaebc318e (patch) | |
| tree | 2790edcc2056d97f1f5ab28bba61ab26eb53b800 /lib/libc/gen | |
| parent | 2f4d81f0936ee8936392573dd361b4260a1f393c (diff) | |
| download | FreeBSD-src-0ed1bc2e92ec2a84dd3da0bc98f296edaebc318e.zip FreeBSD-src-0ed1bc2e92ec2a84dd3da0bc98f296edaebc318e.tar.gz | |
- Document that sem_wait() can fail with EINTR if it is interrupted by a
signal.
- Fix the old ksem implementation for POSIX semaphores to not restart
sem_wait() or sem_timedwait() if interrupted by a signal.
MFC after: 1 week
Diffstat (limited to 'lib/libc/gen')
| -rw-r--r-- | lib/libc/gen/sem_wait.3 | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/libc/gen/sem_wait.3 b/lib/libc/gen/sem_wait.3 index 18e9586..b8303d4 100644 --- a/lib/libc/gen/sem_wait.3 +++ b/lib/libc/gen/sem_wait.3 @@ -27,7 +27,7 @@ .\" .\" $FreeBSD$ .\" -.Dd February 15, 2000 +.Dd April 16, 2013 .Dt SEM_WAIT 3 .Os .Sh NAME @@ -75,6 +75,14 @@ points to an invalid semaphore. .El .Pp Additionally, +.Fn sem_wait +will fail if: +.Bl -tag -width Er +.Pp +.It Bq Er EINTR +A signal interrupted this function. +.El +Additionally, .Fn sem_trywait will fail if: .Bl -tag -width Er |
