source: rtems/cpukit/rtems/src/timerfireafter.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: 2.6 KB
Line 
1/*
2 *  Timer Manager - rtems_timer_fire_after directive
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/score/object.h>
23#include <rtems/score/thread.h>
24#include <rtems/rtems/timer.h>
25#include <rtems/score/tod.h>
26#include <rtems/score/watchdog.h>
27
28/*PAGE
29 *
30 *  rtems_timer_fire_after
31 *
32 *  This directive allows a thread to start a timer.
33 *
34 *  Input parameters:
35 *    id        - timer id
36 *    ticks     - interval until routine is fired
37 *    routine   - routine to schedule
38 *    user_data - passed as argument to routine when it is fired
39 *
40 *  Output parameters:
41 *    RTEMS_SUCCESSFUL - if successful
42 *    error code       - if unsuccessful
43 */
44
45rtems_status_code rtems_timer_fire_after(
46  Objects_Id                         id,
47  rtems_interval                     ticks,
48  rtems_timer_service_routine_entry  routine,
49  void                              *user_data
50)
51{
52  Timer_Control      *the_timer;
53  Objects_Locations   location;
54  ISR_Level           level;
55
56  if ( ticks == 0 )
57    return RTEMS_INVALID_NUMBER;
58
59  if ( !routine )
60    return RTEMS_INVALID_ADDRESS;
61
62  the_timer = _Timer_Get( id, &location );
63  switch ( location ) {
64#if defined(RTEMS_MULTIPROCESSING)
65    case OBJECTS_REMOTE:            /* should never return this */
66      return RTEMS_INTERNAL_ERROR;
67#endif
68
69    case OBJECTS_ERROR:
70      return RTEMS_INVALID_ID;
71
72    case OBJECTS_LOCAL:
73      (void) _Watchdog_Remove( &the_timer->Ticker );
74
75      _ISR_Disable( level );
76
77        /*
78         *  Check to see if the watchdog has just been inserted by a
79         *  higher priority interrupt.  If so, abandon this insert.
80         */
81
82        if ( the_timer->Ticker.state != WATCHDOG_INACTIVE ) {
83          _ISR_Enable( level );
84          _Thread_Enable_dispatch();
85          return RTEMS_SUCCESSFUL;
86        }
87
88        /*
89         *  OK.  Now we now the timer was not rescheduled by an interrupt
90         *  so we can atomically initialize it as in use.
91         */
92
93        the_timer->the_class = TIMER_INTERVAL;
94        _Watchdog_Initialize( &the_timer->Ticker, routine, id, user_data );
95      _ISR_Enable( level );
96
97
98      _Watchdog_Insert_ticks( &the_timer->Ticker, ticks );
99      _Thread_Enable_dispatch();
100      return RTEMS_SUCCESSFUL;
101  }
102
103  return RTEMS_INTERNAL_ERROR;   /* unreached - only to remove warnings */
104}
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