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| author | tjr <tjr@FreeBSD.org> | 2003-01-14 04:12:33 +0000 |
|---|---|---|
| committer | tjr <tjr@FreeBSD.org> | 2003-01-14 04:12:33 +0000 |
| commit | 8f97c15f80b1b5c708048e55765ff56df527eb82 (patch) | |
| tree | 216156ed9a183485c4af2cab3dc0977e0852a30c | |
| parent | 8b7eb47681f9799f1b2fb15e2ac753c2951050d1 (diff) | |
| download | FreeBSD-src-8f97c15f80b1b5c708048e55765ff56df527eb82.zip FreeBSD-src-8f97c15f80b1b5c708048e55765ff56df527eb82.tar.gz | |
Sharing semaphores between processes works now, so remove the stale comments
about it always returning EPERM. Document that ENFILE occurs when the
limit on kernel semaphores is reached.
| -rw-r--r-- | lib/libc/gen/sem_init.3 | 24 | ||||
| -rw-r--r-- | lib/libc_r/man/sem_init.3 | 24 |
2 files changed, 16 insertions, 32 deletions
diff --git a/lib/libc/gen/sem_init.3 b/lib/libc/gen/sem_init.3 index f9eec78..a6bba4a 100644 --- a/lib/libc/gen/sem_init.3 +++ b/lib/libc/gen/sem_init.3 @@ -26,7 +26,7 @@ .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .\" $FreeBSD$ -.Dd February 15, 2000 +.Dd January 14, 2003 .Dt SEM_INIT 3 .Os .Sh NAME @@ -47,8 +47,9 @@ to have the value .Fa value . A non-zero value for .Fa pshared -specifies a shared semaphore that can be used by multiple processes, which this -implementation is not capable of. +specifies a shared semaphore that can be used by any process +that can access +.Fa sem . .Pp Following a successful call to .Fn sem_init , @@ -73,8 +74,10 @@ will fail if: exceeds SEM_VALUE_MAX. .It Bq Er ENOSPC Memory allocation error. -.It Bq Er EPERM -Unable to initialize a shared semaphore. +.It Bq Er ENFILE +The system limit on semaphores +.Pq Dv SEM_NSEMS_MAX +has been reached. .El .Sh SEE ALSO .Xr sem_destroy 3 , @@ -86,14 +89,3 @@ Unable to initialize a shared semaphore. .Fn sem_init conforms to .St -p1003.1-96 . -.Pp -This implementation does not support shared semaphores, and reports this fact -by setting -.Va errno -to -.Er EPERM . -This is perhaps a stretch of the intention of POSIX, but is -compliant, with the caveat that -.Fn sem_init -always reports a permissions error when an attempt to create a shared semaphore -is made. diff --git a/lib/libc_r/man/sem_init.3 b/lib/libc_r/man/sem_init.3 index f9eec78..a6bba4a 100644 --- a/lib/libc_r/man/sem_init.3 +++ b/lib/libc_r/man/sem_init.3 @@ -26,7 +26,7 @@ .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .\" $FreeBSD$ -.Dd February 15, 2000 +.Dd January 14, 2003 .Dt SEM_INIT 3 .Os .Sh NAME @@ -47,8 +47,9 @@ to have the value .Fa value . A non-zero value for .Fa pshared -specifies a shared semaphore that can be used by multiple processes, which this -implementation is not capable of. +specifies a shared semaphore that can be used by any process +that can access +.Fa sem . .Pp Following a successful call to .Fn sem_init , @@ -73,8 +74,10 @@ will fail if: exceeds SEM_VALUE_MAX. .It Bq Er ENOSPC Memory allocation error. -.It Bq Er EPERM -Unable to initialize a shared semaphore. +.It Bq Er ENFILE +The system limit on semaphores +.Pq Dv SEM_NSEMS_MAX +has been reached. .El .Sh SEE ALSO .Xr sem_destroy 3 , @@ -86,14 +89,3 @@ Unable to initialize a shared semaphore. .Fn sem_init conforms to .St -p1003.1-96 . -.Pp -This implementation does not support shared semaphores, and reports this fact -by setting -.Va errno -to -.Er EPERM . -This is perhaps a stretch of the intention of POSIX, but is -compliant, with the caveat that -.Fn sem_init -always reports a permissions error when an attempt to create a shared semaphore -is made. |
