source: rtems/cpukit/posix/src/condget.c @ 04da96c7

/*
 *  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.org/license/LICENSE.
 */

#if HAVE_CONFIG_H
#include "config.h"
#endif

#include <pthread.h>
#include <errno.h>

#include <rtems/system.h>
#include <rtems/score/watchdog.h>
#include <rtems/posix/condimpl.h>
#include <rtems/posix/muteximpl.h>

POSIX_Condition_variables_Control *_POSIX_Condition_variables_Get (
  pthread_cond_t    *cond,
  Objects_Locations *location
)
{
  int status;

  if ( !cond ) {
    *location = OBJECTS_ERROR;
    return (POSIX_Condition_variables_Control *) 0;
  }

  if ( *cond == PTHREAD_COND_INITIALIZER ) {
    /*
     *  Do an "auto-create" here.
     */

    status = pthread_cond_init( cond, 0 );
    if ( status ) {
      *location = OBJECTS_ERROR;
      return (POSIX_Condition_variables_Control *) 0;
    }
  }

  /*
   *  Now call Objects_Get()
   */
  return (POSIX_Condition_variables_Control *)_Objects_Get(
    &_POSIX_Condition_variables_Information,
    (Objects_Id) *cond,
    location
  );
}