source: rtems/cpukit/rtems/src/tasksetnote.c @ 0e87deaa

4.104.114.95
Last change on this file since 0e87deaa was 0e87deaa, checked in by Joel Sherrill <joel.sherrill@…>, on 10/26/07 at 20:19:02

2007-10-26 Joel Sherrill <joel.sherrill@…>

  • itron/src/can_wup.c, itron/src/chg_pri.c, itron/src/del_mbf.c, itron/src/del_mbx.c, itron/src/del_sem.c, itron/src/del_tsk.c, itron/src/frsm_tsk.c, itron/src/ref_mbf.c, itron/src/ref_mbx.c, itron/src/ref_sem.c, itron/src/ref_tsk.c, itron/src/rel_wai.c, itron/src/rsm_tsk.c, itron/src/sig_sem.c, itron/src/snd_mbx.c, itron/src/sta_tsk.c, itron/src/sus_tsk.c, itron/src/ter_tsk.c, itron/src/trcv_mbf.c, itron/src/trcv_mbx.c, itron/src/tsnd_mbf.c, itron/src/twai_sem.c, posix/src/cancel.c, posix/src/conddestroy.c, posix/src/condinit.c, posix/src/condsignalsupp.c, posix/src/condwaitsupp.c, posix/src/keydelete.c, posix/src/keygetspecific.c, posix/src/keysetspecific.c, posix/src/mqueueclose.c, posix/src/mqueuegetattr.c, posix/src/mqueuenotify.c, posix/src/mqueuerecvsupp.c, posix/src/mqueuesendsupp.c, posix/src/mqueuesetattr.c, posix/src/mutexdestroy.c, posix/src/mutexgetprioceiling.c, posix/src/mutexinit.c, posix/src/mutexlocksupp.c, posix/src/mutexsetprioceiling.c, posix/src/mutexunlock.c, posix/src/pbarrierdestroy.c, posix/src/pbarrierwait.c, posix/src/prwlockdestroy.c, posix/src/prwlockrdlock.c, posix/src/prwlocktimedrdlock.c, posix/src/prwlocktimedwrlock.c, posix/src/prwlocktryrdlock.c, posix/src/prwlocktrywrlock.c, posix/src/prwlockunlock.c, posix/src/prwlockwrlock.c, posix/src/pspindestroy.c, posix/src/pspinlock.c, posix/src/pspintrylock.c, posix/src/pspinunlock.c, posix/src/pthreaddetach.c, posix/src/pthreadequal.c, posix/src/pthreadgetschedparam.c, posix/src/pthreadjoin.c, posix/src/pthreadkill.c, posix/src/pthreadsetschedparam.c, posix/src/ptimer1.c, posix/src/semaphorewaitsupp.c, posix/src/semclose.c, posix/src/semdestroy.c, posix/src/semgetvalue.c, posix/src/sempost.c, posix/src/types.c, rtems/src/barrierdelete.c, rtems/src/barrierrelease.c, rtems/src/barrierwait.c, rtems/src/dpmemdelete.c, rtems/src/dpmemexternal2internal.c, rtems/src/dpmeminternal2external.c, rtems/src/eventsend.c, rtems/src/eventtimeout.c, rtems/src/msgqbroadcast.c, rtems/src/msgqdelete.c, rtems/src/msgqflush.c, rtems/src/msgqgetnumberpending.c, rtems/src/msgqreceive.c, rtems/src/msgqsend.c, rtems/src/msgqurgent.c, rtems/src/partdelete.c, rtems/src/partgetbuffer.c, rtems/src/partreturnbuffer.c, rtems/src/ratemoncancel.c, rtems/src/ratemondelete.c, rtems/src/ratemongetstatistics.c, rtems/src/ratemongetstatus.c, rtems/src/ratemonperiod.c, rtems/src/ratemonresetstatistics.c, rtems/src/ratemontimeout.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/regionresizesegment.c, rtems/src/regionreturnsegment.c, rtems/src/semdelete.c, rtems/src/semflush.c, rtems/src/semobtain.c, rtems/src/semrelease.c, rtems/src/signalsend.c, rtems/src/taskdelete.c, rtems/src/taskgetnote.c, rtems/src/taskissuspended.c, rtems/src/taskrestart.c, rtems/src/taskresume.c, rtems/src/tasksetnote.c, rtems/src/tasksetpriority.c, rtems/src/taskstart.c, rtems/src/tasksuspend.c, rtems/src/taskvariableadd.c, rtems/src/taskvariabledelete.c, rtems/src/taskvariableget.c, rtems/src/timercancel.c, rtems/src/timerdelete.c, rtems/src/timerfireafter.c, rtems/src/timerfirewhen.c, rtems/src/timergetinfo.c, rtems/src/timerreset.c, rtems/src/timerserverfireafter.c, rtems/src/timerserverfirewhen.c, sapi/src/extensiondelete.c, score/include/rtems/score/object.h, score/src/corerwlocktimeout.c, score/src/mpci.c, score/src/objectgetnameasstring.c, score/src/threaddelayended.c, score/src/threadqtimeout.c: When multiprocessing is disabled, do not even allow the constant OBJECTS_REMOTE to appear in the source. Even at -O2, the presence of a case OBJECTS_REMOTE in each id->pointer _Objects_Get switch results in the generation of binary code which can NOT be reached.
  • Property mode set to 100644
File size: 2.5 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_set_note
38 *
39 *  This directive sets the specified notepad contents to the given
40 *  note.
41 *
42 *  Input parameters:
43 *    id      - thread id
44 *    notepad - notepad number
45 *    note    - note value
46 *
47 *  Output parameters:
48 *    RTEMS_SUCCESSFUL - if successful
49 *    error code       - if unsuccessful
50 */
51
52rtems_status_code rtems_task_set_note(
53  Objects_Id id,
54  uint32_t   notepad,
55  uint32_t   note
56)
57{
58  register Thread_Control *the_thread;
59  Objects_Locations        location;
60  RTEMS_API_Control       *api;
61
62  /*
63   *  NOTE:  There is no check for < RTEMS_NOTEPAD_FIRST because that would
64   *         be checking an unsigned number for being negative.
65   */
66
67  if ( notepad > RTEMS_NOTEPAD_LAST )
68    return RTEMS_INVALID_NUMBER;
69
70  /*
71   *  Optimize the most likely case to avoid the Thread_Dispatch.
72   */
73
74  if ( _Objects_Are_ids_equal( id, OBJECTS_ID_OF_SELF ) ||
75       _Objects_Are_ids_equal( id, _Thread_Executing->Object.id ) ) {
76      api = _Thread_Executing->API_Extensions[ THREAD_API_RTEMS ];
77      api->Notepads[ notepad ] = note;
78      return RTEMS_SUCCESSFUL;
79  }
80
81  the_thread = _Thread_Get( id, &location );
82  switch ( location ) {
83
84#if defined(RTEMS_MULTIPROCESSING)
85    case OBJECTS_REMOTE:
86      return _RTEMS_tasks_MP_Send_request_packet(
87        RTEMS_TASKS_MP_SET_NOTE_REQUEST,
88        id,
89        0,          /* Not used */
90        notepad,
91        note
92      );
93#endif
94
95    case OBJECTS_ERROR:
96      return RTEMS_INVALID_ID;
97
98    case OBJECTS_LOCAL:
99      api = the_thread->API_Extensions[ THREAD_API_RTEMS ];
100      api->Notepads[ notepad ] = note;
101      _Thread_Enable_dispatch();
102      return RTEMS_SUCCESSFUL;
103  }
104
105  return RTEMS_INTERNAL_ERROR;   /* unreached - only to remove warnings */
106}
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