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/*
* 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;
}
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