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/**
* @file rtems/score/threadq.inl
*
* This inline file contains all of the inlined routines associated with
* the manipulation of thread queues.
*/
/*
* COPYRIGHT (c) 1989-2006.
* 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.com/license/LICENSE.
*
* $Id$
*/
#ifndef _RTEMS_SCORE_THREADQ_INL
#define _RTEMS_SCORE_THREADQ_INL
#include <rtems/score/thread.h>
/**
* @addtogroup ScoreThreadQ
* @{
*/
/**
*
* @brief Process Thread Queue Timeout
*
* This is a shared helper routine which makes it easier to have multiple
* object class specific timeout routines.
*
* @param[in] the_thread is the thread to extract
*
* @note Assume Dispatching is disabled.
*/
static inline void _Thread_queue_Process_timeout(
Thread_Control *the_thread
)
{
Thread_queue_Control *the_thread_queue = the_thread->Wait.queue;
/*
* If the_thread_queue is not synchronized, then it is either
* "nothing happened", "timeout", or "satisfied". If the_thread
* is the executing thread, then it is in the process of blocking
* and it is the thread which is responsible for the synchronization
* process.
*
* If it is not satisfied, then it is "nothing happened" and
* this is the "timeout" transition. After a request is satisfied,
* a timeout is not allowed to occur.
*/
if ( the_thread_queue->sync_state != THREAD_QUEUE_SYNCHRONIZED &&
_Thread_Is_executing( the_thread ) ) {
if ( the_thread_queue->sync_state != THREAD_QUEUE_SATISFIED )
the_thread_queue->sync_state = THREAD_QUEUE_TIMEOUT;
} else {
the_thread->Wait.return_code = the_thread->Wait.queue->timeout_status;
_Thread_queue_Extract( the_thread->Wait.queue, the_thread );
}
}
/**@}*/
#endif
/* end of include file */
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