/*
|
/*
|
* Thread Queue Handler
|
* Thread Queue Handler
|
*
|
*
|
*
|
*
|
* COPYRIGHT (c) 1989-1999.
|
* COPYRIGHT (c) 1989-1999.
|
* On-Line Applications Research Corporation (OAR).
|
* On-Line Applications Research Corporation (OAR).
|
*
|
*
|
* The license and distribution terms for this file may be
|
* The license and distribution terms for this file may be
|
* found in the file LICENSE in this distribution or at
|
* found in the file LICENSE in this distribution or at
|
* http://www.OARcorp.com/rtems/license.html.
|
* http://www.OARcorp.com/rtems/license.html.
|
*
|
*
|
* threadqextractfifo.c,v 1.2 1999/11/17 17:50:40 joel Exp
|
* threadqextractfifo.c,v 1.2 1999/11/17 17:50:40 joel Exp
|
*/
|
*/
|
|
|
#include <rtems/system.h>
|
#include <rtems/system.h>
|
#include <rtems/score/chain.h>
|
#include <rtems/score/chain.h>
|
#include <rtems/score/isr.h>
|
#include <rtems/score/isr.h>
|
#include <rtems/score/object.h>
|
#include <rtems/score/object.h>
|
#include <rtems/score/states.h>
|
#include <rtems/score/states.h>
|
#include <rtems/score/thread.h>
|
#include <rtems/score/thread.h>
|
#include <rtems/score/threadq.h>
|
#include <rtems/score/threadq.h>
|
#include <rtems/score/tqdata.h>
|
#include <rtems/score/tqdata.h>
|
|
|
/*PAGE
|
/*PAGE
|
*
|
*
|
* _Thread_queue_Extract_fifo
|
* _Thread_queue_Extract_fifo
|
*
|
*
|
* This routine removes a specific thread from the specified threadq,
|
* This routine removes a specific thread from the specified threadq,
|
* deletes any timeout, and unblocks the thread.
|
* deletes any timeout, and unblocks the thread.
|
*
|
*
|
* Input parameters:
|
* Input parameters:
|
* the_thread_queue - pointer to a threadq header
|
* the_thread_queue - pointer to a threadq header
|
* the_thread - pointer to the thread to block
|
* the_thread - pointer to the thread to block
|
*
|
*
|
* Output parameters: NONE
|
* Output parameters: NONE
|
*
|
*
|
* INTERRUPT LATENCY:
|
* INTERRUPT LATENCY:
|
* EXTRACT_FIFO
|
* EXTRACT_FIFO
|
*/
|
*/
|
|
|
void _Thread_queue_Extract_fifo(
|
void _Thread_queue_Extract_fifo(
|
Thread_queue_Control *the_thread_queue,
|
Thread_queue_Control *the_thread_queue,
|
Thread_Control *the_thread
|
Thread_Control *the_thread
|
)
|
)
|
{
|
{
|
ISR_Level level;
|
ISR_Level level;
|
|
|
_ISR_Disable( level );
|
_ISR_Disable( level );
|
|
|
if ( !_States_Is_waiting_on_thread_queue( the_thread->current_state ) ) {
|
if ( !_States_Is_waiting_on_thread_queue( the_thread->current_state ) ) {
|
_ISR_Enable( level );
|
_ISR_Enable( level );
|
return;
|
return;
|
}
|
}
|
|
|
_Chain_Extract_unprotected( &the_thread->Object.Node );
|
_Chain_Extract_unprotected( &the_thread->Object.Node );
|
|
|
if ( !_Watchdog_Is_active( &the_thread->Timer ) ) {
|
if ( !_Watchdog_Is_active( &the_thread->Timer ) ) {
|
_ISR_Enable( level );
|
_ISR_Enable( level );
|
} else {
|
} else {
|
_Watchdog_Deactivate( &the_thread->Timer );
|
_Watchdog_Deactivate( &the_thread->Timer );
|
_ISR_Enable( level );
|
_ISR_Enable( level );
|
(void) _Watchdog_Remove( &the_thread->Timer );
|
(void) _Watchdog_Remove( &the_thread->Timer );
|
}
|
}
|
|
|
_Thread_Unblock( the_thread );
|
_Thread_Unblock( the_thread );
|
|
|
#if defined(RTEMS_MULTIPROCESSING)
|
#if defined(RTEMS_MULTIPROCESSING)
|
if ( !_Objects_Is_local_id( the_thread->Object.id ) )
|
if ( !_Objects_Is_local_id( the_thread->Object.id ) )
|
_Thread_MP_Free_proxy( the_thread );
|
_Thread_MP_Free_proxy( the_thread );
|
#endif
|
#endif
|
|
|
}
|
}
|
|
|
|
|