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/**
* @file
*
* @brief POSIX Once Manager Initialization
* @ingroup POSIX_ONCE POSIX Once Support
*/
/*
* COPYRIGHT (c) 2013
* Chris Johns <chrisj@rtems.org>
*
* 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.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <pthread.h>
#include <errno.h>
#include <rtems.h>
#include <rtems/posix/posixapi.h>
#include <rtems/posix/onceimpl.h>
void _POSIX_Once_Manager_initialization(void)
{
pthread_mutexattr_t mattr;
int eno;
_POSIX_Once_Lock = PTHREAD_MUTEX_INITIALIZER;
eno = pthread_mutexattr_init( &mattr );
_Assert( eno == 0 );
eno = pthread_mutexattr_settype( &mattr, PTHREAD_MUTEX_RECURSIVE );
_Assert( eno == 0 );
eno = pthread_mutex_init( &_POSIX_Once_Lock, &mattr );
if ( eno != 0 )
_POSIX_Fatal_error( POSIX_FD_PTHREAD_ONCE, eno );
eno = pthread_mutexattr_destroy( &mattr );
_Assert( eno == 0 );
}
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