source: rtems/cpukit/rtems/src/taskissuspended.c @ d3b72ca3

4.104.115
Last change on this file since d3b72ca3 was d3b72ca3, checked in by Glenn Humphrey <glenn.humphrey@…>, on 12/15/09 at 18:26:42

2009-12-15 Glenn Humphrey <glenn.humphrey@…>

  • rtems/include/rtems/rtems/dpmem.h, rtems/include/rtems/rtems/event.h, rtems/include/rtems/rtems/message.h, rtems/include/rtems/rtems/part.h, rtems/include/rtems/rtems/ratemon.h, rtems/include/rtems/rtems/region.h, rtems/include/rtems/rtems/semmp.h, rtems/include/rtems/rtems/signal.h, rtems/include/rtems/rtems/signalmp.h, rtems/include/rtems/rtems/tasks.h, rtems/include/rtems/rtems/timer.h, rtems/src/dpmemcreate.c, rtems/src/dpmemdelete.c, rtems/src/dpmemexternal2internal.c, rtems/src/dpmemident.c, rtems/src/dpmeminternal2external.c, rtems/src/eventsend.c, rtems/src/msgqbroadcast.c, rtems/src/msgqcreate.c, rtems/src/msgqdelete.c, rtems/src/msgqflush.c, rtems/src/msgqgetnumberpending.c, rtems/src/msgqident.c, rtems/src/msgqreceive.c, rtems/src/msgqsend.c, rtems/src/msgqurgent.c, rtems/src/partcreate.c, rtems/src/partdelete.c, rtems/src/partgetbuffer.c, rtems/src/partident.c, rtems/src/partreturnbuffer.c, rtems/src/ratemoncancel.c, rtems/src/ratemoncreate.c, rtems/src/ratemondelete.c, rtems/src/ratemongetstatistics.c, rtems/src/ratemongetstatus.c, rtems/src/ratemonident.c, rtems/src/ratemonperiod.c, rtems/src/ratemonresetstatistics.c, rtems/src/regioncreate.c, rtems/src/regiondelete.c, rtems/src/regionextend.c, rtems/src/regiongetfreeinfo.c, rtems/src/regiongetinfo.c, rtems/src/regiongetsegment.c, rtems/src/regiongetsegmentsize.c, rtems/src/regionident.c, rtems/src/regionresizesegment.c, rtems/src/regionreturnsegment.c, rtems/src/signalmp.c, rtems/src/signalsend.c, rtems/src/taskcreate.c, rtems/src/taskdelete.c, rtems/src/taskgetnote.c, rtems/src/taskident.c, rtems/src/taskissuspended.c, rtems/src/taskrestart.c, rtems/src/taskresume.c, rtems/src/tasksetnote.c, rtems/src/tasksetpriority.c, rtems/src/tasksuspend.c, rtems/src/timercancel.c, rtems/src/timercreate.c, rtems/src/timerdelete.c, rtems/src/timerfireafter.c, rtems/src/timerfirewhen.c, rtems/src/timergetinfo.c, rtems/src/timerident.c, rtems/src/timerreset.c, rtems/src/timerserverfireafter.c, rtems/src/timerserverfirewhen.c: Changed Objects_Id to rtems_id in the public API.
  • Property mode set to 100644
File size: 1.8 KB
Line 
1/*
2 *  RTEMS Task Manager
3 *
4 *
5 *  COPYRIGHT (c) 1989-2007.
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/rtems/status.h>
21#include <rtems/rtems/support.h>
22#include <rtems/rtems/modes.h>
23#include <rtems/score/object.h>
24#include <rtems/score/stack.h>
25#include <rtems/score/states.h>
26#include <rtems/rtems/tasks.h>
27#include <rtems/score/thread.h>
28#include <rtems/score/threadq.h>
29#include <rtems/score/tod.h>
30#include <rtems/score/userext.h>
31#include <rtems/score/wkspace.h>
32#include <rtems/score/apiext.h>
33#include <rtems/score/sysstate.h>
34
35/*PAGE
36 *
37 *  rtems_task_is_suspended
38 *
39 *  This directive returns a status indicating whether or not
40 *  the specified task is suspended.
41 *
42 *  Input parameters:
43 *    id - thread id
44 *
45 *  Output parameters:
46 *    RTEMS_SUCCESSFUL        - if successful and not suspended
47 *    RTEMS_ALREADY_SUSPENDED - if successful and suspended
48 *    error code              - if unsuccessful
49 */
50
51rtems_status_code rtems_task_is_suspended(
52  rtems_id id
53)
54{
55  register Thread_Control *the_thread;
56  Objects_Locations        location;
57
58  the_thread = _Thread_Get( id, &location );
59  switch ( location ) {
60
61    case OBJECTS_LOCAL:
62      if ( !_States_Is_suspended( the_thread->current_state ) ) {
63        _Thread_Enable_dispatch();
64        return RTEMS_SUCCESSFUL;
65      }
66      _Thread_Enable_dispatch();
67      return RTEMS_ALREADY_SUSPENDED;
68
69#if defined(RTEMS_MULTIPROCESSING)
70    case OBJECTS_REMOTE:
71      _Thread_Dispatch();
72      return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
73#endif
74
75    case OBJECTS_ERROR:
76      break;
77  }
78
79  return RTEMS_INVALID_ID;
80}
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