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/*
* Thread Queue Handler
*
*
* 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.rtems.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/score/chain.h>
#include <rtems/score/isr.h>
#include <rtems/score/object.h>
#include <rtems/score/states.h>
#include <rtems/score/thread.h>
#include <rtems/score/threadq.h>
#include <rtems/score/tqdata.h>
/*PAGE
*
* _Thread_queue_Extract_fifo
*
* This routine removes a specific thread from the specified threadq,
* deletes any timeout, and unblocks the thread.
*
* Input parameters:
* the_thread_queue - pointer to a threadq header
* the_thread - pointer to the thread to block
*
* Output parameters: NONE
*
* INTERRUPT LATENCY:
* EXTRACT_FIFO
*/
void _Thread_queue_Extract_fifo(
Thread_queue_Control *the_thread_queue,
Thread_Control *the_thread
)
{
ISR_Level level;
_ISR_Disable( level );
if ( !_States_Is_waiting_on_thread_queue( the_thread->current_state ) ) {
_ISR_Enable( level );
return;
}
_Chain_Extract_unprotected( &the_thread->Object.Node );
if ( !_Watchdog_Is_active( &the_thread->Timer ) ) {
_ISR_Enable( level );
} else {
_Watchdog_Deactivate( &the_thread->Timer );
_ISR_Enable( level );
(void) _Watchdog_Remove( &the_thread->Timer );
}
_Thread_Unblock( the_thread );
#if defined(RTEMS_MULTIPROCESSING)
if ( !_Objects_Is_local_id( the_thread->Object.id ) )
_Thread_MP_Free_proxy( the_thread );
#endif
}
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