Subversion Repositories or1k

/*

 *  seminit.c,v 1.6 2002/01/04 18:28:24 joel Exp

 */

#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;

}