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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.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <pthread.h>
#include <errno.h>
#include <rtems.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;
if ( !once_control->init_executed ) {
rtems_mode saveMode;
rtems_task_mode(RTEMS_NO_PREEMPT, RTEMS_PREEMPT_MASK, &saveMode);
if ( !once_control->init_executed ) {
once_control->is_initialized = TRUE;
once_control->init_executed = TRUE;
(*init_routine)();
}
rtems_task_mode(saveMode, RTEMS_PREEMPT_MASK, &saveMode);
}
return 0;
}
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