diff options
Diffstat (limited to 'c')
-rw-r--r-- | c/src/exec/posix/src/Makefile.in | 2 | ||||
-rw-r--r-- | c/src/exec/posix/src/semclose.c | 47 |
2 files changed, 48 insertions, 1 deletions
diff --git a/c/src/exec/posix/src/Makefile.in b/c/src/exec/posix/src/Makefile.in index 8a5098394d..85daeddead 100644 --- a/c/src/exec/posix/src/Makefile.in +++ b/c/src/exec/posix/src/Makefile.in @@ -68,7 +68,7 @@ PSIGNAL_C_PIECES = psignal alarm kill killinfo pause \ sigwait sigwaitinfo signal_2 SEMAPHORE_C_PIECES= semaphore semaphorecreatesupp semaphoredeletesupp \ - semaphoremp semaphorenametoid semaphorewaitsupp semdestroy \ + semaphoremp semaphorenametoid semaphorewaitsupp semclose semdestroy \ semgetvalue seminit semopen sempost semtimedwait semtrywait \ semunlink semwait 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(); +} |