source: rtems/cpukit/score/src/threadsetstate.c @ 3be0c9a

4.115
Last change on this file since 3be0c9a was 3be0c9a, checked in by Sebastian Huber <sebastian.huber@…>, on 11/22/12 at 13:51:25

score: Add and use <rtems/score/userextimpl.h>

This file contains the parts of <rtems/score/userext.h> that are only
necessary for the RTEMS implementation.

  • Property mode set to 100644
File size: 1.2 KB
Line 
1/*
2 *  Thread Handler / Thread Set State
3 *
4 *  COPYRIGHT (c) 1989-2011.
5 *  On-Line Applications Research Corporation (OAR).
6 *
7 *  The license and distribution terms for this file may be
8 *  found in the file LICENSE in this distribution or at
9 *  http://www.rtems.com/license/LICENSE.
10 */
11
12#if HAVE_CONFIG_H
13#include "config.h"
14#endif
15
16#include <rtems/system.h>
17#include <rtems/score/apiext.h>
18#include <rtems/score/context.h>
19#include <rtems/score/interr.h>
20#include <rtems/score/isr.h>
21#include <rtems/score/object.h>
22#include <rtems/score/priority.h>
23#include <rtems/score/scheduler.h>
24#include <rtems/score/states.h>
25#include <rtems/score/sysstate.h>
26#include <rtems/score/thread.h>
27#include <rtems/score/threadq.h>
28#include <rtems/score/wkspace.h>
29
30/*
31 *  INTERRUPT LATENCY:
32 *    ready chain
33 *    select map
34 */
35void _Thread_Set_state(
36  Thread_Control *the_thread,
37  States_Control  state
38)
39{
40  ISR_Level      level;
41
42  _ISR_Disable( level );
43  if ( !_States_Is_ready( the_thread->current_state ) ) {
44    the_thread->current_state =
45       _States_Set( state, the_thread->current_state );
46    _ISR_Enable( level );
47    return;
48  }
49
50  the_thread->current_state = state;
51
52  _Scheduler_Block( the_thread );
53
54  _ISR_Enable( level );
55}
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