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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [posix/] [src/] [pthreadonce.c] - Rev 173

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/*
 *  16.1.8 Dynamic Package Initialization, P1003.1c/Draft 10, p. 154
 *
 *  COPYRIGHT (c) 1989-1999.
 *  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.OARcorp.com/rtems/license.html.
 *
 *  $Id: pthreadonce.c,v 1.2 2001-09-27 11:59:17 chris Exp $
 */
 
#include <pthread.h>
#include <errno.h>
 
#include <rtems/system.h>
#include <rtems/score/thread.h>
 
int pthread_once(
  pthread_once_t  *once_control,
  void           (*init_routine)(void)
)
{
  if ( !once_control || !init_routine )
    return EINVAL;
 
  _Thread_Disable_dispatch();
 
  if ( !once_control->init_executed ) {
    once_control->is_initialized = TRUE;
    once_control->init_executed = TRUE;
    (*init_routine)();
  }
 
  _Thread_Enable_dispatch();
  return 0;
}
 
 

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