source: rtems/cpukit/score/src/threadqextractfifo.c @ ba42d22

4.104.11
Last change on this file since ba42d22 was ba42d22, checked in by Ralf Corsepius <ralf.corsepius@…>, on Dec 31, 2008 at 3:36:04 AM

Add attribute((unused)) to unused function args.

  • Property mode set to 100644
File size: 1.7 KB
Line 
1/*
2 *  Thread Queue Handler
3 *
4 *
5 *  COPYRIGHT (c) 1989-2008.
6 *  On-Line Applications Research Corporation (OAR).
7 *
8 *  The license and distribution terms for this file may be
9 *  found in the file LICENSE in this distribution or at
10 *  http://www.rtems.com/license/LICENSE.
11 *
12 *  $Id$
13 */
14
15#if HAVE_CONFIG_H
16#include "config.h"
17#endif
18
19#include <rtems/system.h>
20#include <rtems/score/chain.h>
21#include <rtems/score/isr.h>
22#include <rtems/score/object.h>
23#include <rtems/score/states.h>
24#include <rtems/score/thread.h>
25#include <rtems/score/threadq.h>
26#include <rtems/score/tqdata.h>
27
28/*PAGE
29 *
30 *  _Thread_queue_Extract_fifo
31 *
32 *  This routine removes a specific thread from the specified threadq,
33 *  deletes any timeout, and unblocks the thread.
34 *
35 *  Input parameters:
36 *    the_thread_queue - pointer to a threadq header
37 *    the_thread       - pointer to the thread to block
38 *
39 *  Output parameters: NONE
40 *
41 *  INTERRUPT LATENCY:
42 *    EXTRACT_FIFO
43 */
44
45void _Thread_queue_Extract_fifo(
46  Thread_queue_Control *the_thread_queue __attribute__((unused)),
47  Thread_Control       *the_thread
48)
49{
50  ISR_Level level;
51
52  _ISR_Disable( level );
53
54  if ( !_States_Is_waiting_on_thread_queue( the_thread->current_state ) ) {
55    _ISR_Enable( level );
56    return;
57  }
58
59  _Chain_Extract_unprotected( &the_thread->Object.Node );
60
61  the_thread->Wait.queue = NULL;
62
63  if ( !_Watchdog_Is_active( &the_thread->Timer ) ) {
64    _ISR_Enable( level );
65  } else {
66    _Watchdog_Deactivate( &the_thread->Timer );
67    _ISR_Enable( level );
68    (void) _Watchdog_Remove( &the_thread->Timer );
69  }
70
71  _Thread_Unblock( the_thread );
72
73#if defined(RTEMS_MULTIPROCESSING)
74  if ( !_Objects_Is_local_id( the_thread->Object.id ) )
75    _Thread_MP_Free_proxy( the_thread );
76#endif
77
78}
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