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/**
* @file
*
* @brief Support Call to function Enables Locking of Mutex Object
* @ingroup POSIXAPI
*/
/*
* COPYRIGHT (c) 1989-2014.
* 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 <rtems/posix/muteximpl.h>
THREAD_WAIT_QUEUE_OBJECT_ASSERT( POSIX_Mutex_Control, Mutex.Wait_queue );
int _POSIX_Mutex_Lock_support(
pthread_mutex_t *mutex,
bool blocking,
Watchdog_Interval timeout
)
{
POSIX_Mutex_Control *the_mutex;
ISR_lock_Context lock_context;
Thread_Control *executing;
the_mutex = _POSIX_Mutex_Get_interrupt_disable( mutex, &lock_context );
if ( the_mutex == NULL ) {
return EINVAL;
}
executing = _Thread_Executing;
_CORE_mutex_Seize(
&the_mutex->Mutex,
executing,
blocking,
timeout,
&lock_context
);
return _POSIX_Mutex_Translate_core_mutex_return_code(
(CORE_mutex_Status) executing->Wait.return_code
);
}
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