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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-11-09 13:39:42 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-11-09 13:39:42 +0000 |
commit | 3fb8909aae99ddd223a8f0c2b6d2b32eb283b21c (patch) | |
tree | c764d7bc3ee5bdf618bc8305f3d8cd974edf22ae /c/src/exec/posix/src/semclose.c | |
parent | New test for POSIX Message Queues added. (diff) | |
download | rtems-3fb8909aae99ddd223a8f0c2b6d2b32eb283b21c.tar.bz2 |
sem_close was accidentally lost in the split.
Diffstat (limited to '')
-rw-r--r-- | c/src/exec/posix/src/semclose.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/c/src/exec/posix/src/semclose.c b/c/src/exec/posix/src/semclose.c new file mode 100644 index 0000000000..c4a5ed3bad --- /dev/null +++ b/c/src/exec/posix/src/semclose.c @@ -0,0 +1,47 @@ +/* + * $Id$ + */ + +#include <stdarg.h> + +#include <errno.h> +#include <fcntl.h> +#include <pthread.h> +#include <semaphore.h> +#include <limits.h> + +#include <rtems/system.h> +#include <rtems/score/object.h> +#include <rtems/posix/semaphore.h> +#include <rtems/posix/time.h> +#include <rtems/posix/seterr.h> + + +/*PAGE + * + * 11.2.4 Close a Named Semaphore, P1003.1b-1993, p.224 + */ + +int sem_close( + sem_t *sem +) +{ + register POSIX_Semaphore_Control *the_semaphore; + Objects_Locations location; + + the_semaphore = _POSIX_Semaphore_Get( sem, &location ); + switch ( location ) { + case OBJECTS_ERROR: + set_errno_and_return_minus_one( EINVAL ); + case OBJECTS_REMOTE: + _Thread_Dispatch(); + return POSIX_MP_NOT_IMPLEMENTED(); + set_errno_and_return_minus_one( EINVAL ); + case OBJECTS_LOCAL: + the_semaphore->open_count -= 1; + _POSIX_Semaphore_Delete( the_semaphore ); + _Thread_Enable_dispatch(); + return 0; + } + return POSIX_BOTTOM_REACHED(); +} |