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Diffstat (limited to 'cpukit/posix/src/seminit.c')
-rw-r--r-- | cpukit/posix/src/seminit.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/cpukit/posix/src/seminit.c b/cpukit/posix/src/seminit.c new file mode 100644 index 0000000000..132be509e7 --- /dev/null +++ b/cpukit/posix/src/seminit.c @@ -0,0 +1,58 @@ +/* + * COPYRIGHT (c) 1989-2007. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#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/seterr.h> + +/*PAGE + * + * 11.2.1 Initialize an Unnamed Semaphore, P1003.1b-1993, p.219 + */ + +int sem_init( + sem_t *sem, + int pshared, + unsigned int value +) +{ + int status; + POSIX_Semaphore_Control *the_semaphore; + + if ( !sem ) + rtems_set_errno_and_return_minus_one( EINVAL ); + + status = _POSIX_Semaphore_Create_support( + NULL, + pshared, + value, + &the_semaphore + ); + + if ( status != -1 ) + *sem = the_semaphore->Object.id; + + return status; +} |