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/**
* @file
*
* @ingroup RTEMSScoreThreadQueue
*
* @brief This source file contains the implementation of
* _Thread_queue_Extract().
*/
/*
* COPYRIGHT (c) 1989-2014.
* On-Line Applications Research Corporation (OAR).
*
* Copyright (c) 2015, 2016 embedded brains GmbH.
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/threadqimpl.h>
#include <rtems/score/threadimpl.h>
void _Thread_queue_Extract( Thread_Control *the_thread )
{
Thread_queue_Context queue_context;
Thread_queue_Queue *queue;
_Thread_queue_Context_initialize( &queue_context );
_Thread_queue_Context_clear_priority_updates( &queue_context );
_Thread_Wait_acquire( the_thread, &queue_context );
queue = the_thread->Wait.queue;
if ( queue != NULL ) {
_Thread_Wait_remove_request( the_thread, &queue_context.Lock_context );
_Thread_queue_Context_set_MP_callout(
&queue_context,
_Thread_queue_MP_callout_do_nothing
);
#if defined(RTEMS_MULTIPROCESSING)
_Thread_queue_MP_set_callout( the_thread, &queue_context );
#endif
( *the_thread->Wait.operations->extract )(
queue,
the_thread,
&queue_context
);
_Thread_queue_Resume( queue, the_thread, &queue_context );
} else {
_Thread_Wait_release( the_thread, &queue_context );
}
}
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