source: rtems/cpukit/score/src/threadclearstate.c @ 8a8b95aa

5
Last change on this file since 8a8b95aa was 4c20da4b, checked in by Sebastian Huber <sebastian.huber@…>, on 04/04/19 at 07:18:11

doxygen: Rename Score* groups in RTEMSScore*

Update #3706

  • Property mode set to 100644
File size: 1.4 KB
Line 
1/**
2 *  @file
3 *
4 *  @brief Clear Thread state
5 *  @ingroup RTEMSScoreThread
6 */
7
8/*
9 *  COPYRIGHT (c) 1989-2011.
10 *  On-Line Applications Research Corporation (OAR).
11 *
12 *  The license and distribution terms for this file may be
13 *  found in the file LICENSE in this distribution or at
14 *  http://www.rtems.org/license/LICENSE.
15 */
16
17#if HAVE_CONFIG_H
18#include "config.h"
19#endif
20
21#include <rtems/score/threadimpl.h>
22#include <rtems/score/assert.h>
23#include <rtems/score/schedulerimpl.h>
24
25States_Control _Thread_Clear_state_locked(
26  Thread_Control *the_thread,
27  States_Control  state
28)
29{
30  States_Control previous_state;
31
32  _Assert( state != 0 );
33  _Assert( _Thread_State_is_owner( the_thread ) );
34
35  previous_state = the_thread->current_state;
36
37  if ( ( previous_state & state ) != 0 ) {
38    States_Control next_state;
39
40    next_state = _States_Clear( state, previous_state );
41    the_thread->current_state = next_state;
42
43    if ( _States_Is_ready( next_state ) ) {
44      _Scheduler_Unblock( the_thread );
45    }
46  }
47
48  return previous_state;
49}
50
51States_Control _Thread_Clear_state(
52  Thread_Control *the_thread,
53  States_Control  state
54)
55{
56  ISR_lock_Context lock_context;
57  States_Control   previous_state;
58
59  _Thread_State_acquire( the_thread, &lock_context );
60  previous_state = _Thread_Clear_state_locked( the_thread, state );
61  _Thread_State_release( the_thread, &lock_context );
62
63  return previous_state;
64}
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