source: rtems/cpukit/rtems/src/ratemontimeout.c @ 277cc95

4.104.114.84.95
Last change on this file since 277cc95 was 277cc95, checked in by Joel Sherrill <joel.sherrill@…>, on 09/04/03 at 18:54:32

2003-09-04 Joel Sherrill <joel@…>

  • include/rtems.h, include/rtems/rtems/asr.h, include/rtems/rtems/attr.h, include/rtems/rtems/cache.h, include/rtems/rtems/clock.h, include/rtems/rtems/config.h, include/rtems/rtems/dpmem.h, include/rtems/rtems/event.h, include/rtems/rtems/eventmp.h, include/rtems/rtems/eventset.h, include/rtems/rtems/intr.h, include/rtems/rtems/message.h, include/rtems/rtems/modes.h, include/rtems/rtems/mp.h, include/rtems/rtems/msgmp.h, include/rtems/rtems/options.h, include/rtems/rtems/part.h, include/rtems/rtems/partmp.h, include/rtems/rtems/ratemon.h, include/rtems/rtems/region.h, include/rtems/rtems/regionmp.h, include/rtems/rtems/rtemsapi.h, include/rtems/rtems/sem.h, include/rtems/rtems/semmp.h, include/rtems/rtems/signal.h, include/rtems/rtems/signalmp.h, include/rtems/rtems/status.h, include/rtems/rtems/support.h, include/rtems/rtems/taskmp.h, include/rtems/rtems/tasks.h, include/rtems/rtems/timer.h, include/rtems/rtems/types.h, inline/rtems/rtems/asr.inl, inline/rtems/rtems/attr.inl, inline/rtems/rtems/dpmem.inl, inline/rtems/rtems/event.inl, inline/rtems/rtems/eventset.inl, inline/rtems/rtems/message.inl, inline/rtems/rtems/modes.inl, inline/rtems/rtems/options.inl, inline/rtems/rtems/part.inl, inline/rtems/rtems/ratemon.inl, inline/rtems/rtems/region.inl, inline/rtems/rtems/sem.inl, inline/rtems/rtems/status.inl, inline/rtems/rtems/support.inl, inline/rtems/rtems/tasks.inl, inline/rtems/rtems/timer.inl, macros/rtems/rtems/asr.inl, macros/rtems/rtems/attr.inl, macros/rtems/rtems/dpmem.inl, macros/rtems/rtems/event.inl, macros/rtems/rtems/eventset.inl, macros/rtems/rtems/message.inl, macros/rtems/rtems/modes.inl, macros/rtems/rtems/options.inl, macros/rtems/rtems/part.inl, macros/rtems/rtems/ratemon.inl, macros/rtems/rtems/region.inl, macros/rtems/rtems/sem.inl, macros/rtems/rtems/status.inl, macros/rtems/rtems/support.inl, macros/rtems/rtems/tasks.inl, macros/rtems/rtems/timer.inl, src/attr.c, src/clockget.c, src/clockset.c, src/clocktick.c, src/dpmem.c, src/dpmemcreate.c, src/dpmemdelete.c, src/dpmemexternal2internal.c, src/dpmemident.c, src/dpmeminternal2external.c, src/event.c, src/eventmp.c, src/eventreceive.c, src/eventseize.c, src/eventsend.c, src/eventsurrender.c, src/eventtimeout.c, src/intr.c, src/intrbody.c, src/intrcatch.c, src/mp.c, src/msg.c, src/msgmp.c, src/msgqallocate.c, src/msgqbroadcast.c, src/msgqcreate.c, src/msgqdelete.c, src/msgqflush.c, src/msgqgetnumberpending.c, src/msgqident.c, src/msgqreceive.c, src/msgqsend.c, src/msgqsubmit.c, src/msgqtranslatereturncode.c, src/msgqurgent.c, src/part.c, src/partcreate.c, src/partdelete.c, src/partgetbuffer.c, src/partident.c, src/partmp.c, src/partreturnbuffer.c, src/ratemon.c, src/ratemoncancel.c, src/ratemoncreate.c, src/ratemondelete.c, src/ratemongetstatus.c, src/ratemonident.c, src/ratemonperiod.c, src/ratemontimeout.c, src/region.c, src/regioncreate.c, src/regiondelete.c, src/regionextend.c, src/regiongetinfo.c, src/regiongetsegment.c, src/regiongetsegmentsize.c, src/regionident.c, src/regionmp.c, src/regionreturnsegment.c, src/rtclock.c, src/rtemsidtoname.c, src/rtemstimer.c, src/sem.c, src/semcreate.c, src/semdelete.c, src/semflush.c, src/semident.c, src/semmp.c, src/semobtain.c, src/semrelease.c, src/semtranslatereturncode.c, src/signal.c, src/signalcatch.c, src/signalmp.c, src/signalsend.c, src/taskcreate.c, src/taskdelete.c, src/taskgetnote.c, src/taskident.c, src/taskinitusers.c, src/taskissuspended.c, src/taskmode.c, src/taskmp.c, src/taskrestart.c, src/taskresume.c, src/tasks.c, src/tasksetnote.c, src/tasksetpriority.c, src/taskstart.c, src/tasksuspend.c, src/taskvariableadd.c, src/taskvariabledelete.c, src/taskvariableget.c, src/taskwakeafter.c, src/taskwakewhen.c, src/timercancel.c, src/timercreate.c, src/timerdelete.c, src/timerfireafter.c, src/timerfirewhen.c, src/timergetinfo.c, src/timerident.c, src/timerreset.c, src/timerserver.c, src/timerserverfireafter.c, src/timerserverfirewhen.c: URL for license changed.
  • Property mode set to 100644
File size: 2.3 KB
Line 
1/*
2 *  Rate Monotonic Manager
3 *
4 *
5 *  COPYRIGHT (c) 1989-1999.
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#include <rtems/system.h>
16#include <rtems/rtems/status.h>
17#include <rtems/rtems/support.h>
18#include <rtems/score/isr.h>
19#include <rtems/score/object.h>
20#include <rtems/rtems/ratemon.h>
21#include <rtems/score/thread.h>
22
23/*PAGE
24 *
25 *  _Rate_monotonic_Timeout
26 *
27 *  This routine processes a period ending.  If the owning thread
28 *  is waiting for the period, that thread is unblocked and the
29 *  period reinitiated.  Otherwise, the period is expired.
30 *  This routine is called by the watchdog handler.
31 *
32 *  Input parameters:
33 *    id - period id
34 *
35 *  Output parameters: NONE
36 */
37
38void _Rate_monotonic_Timeout(
39  Objects_Id  id,
40  void       *ignored
41)
42{
43  Rate_monotonic_Control *the_period;
44  Objects_Locations       location;
45  Thread_Control         *the_thread;
46
47  /*
48   *  When we get here, the Timer is already off the chain so we do not
49   *  have to worry about that -- hence no _Watchdog_Remove().
50   */
51
52  the_period = _Rate_monotonic_Get( id, &location );
53  switch ( location ) {
54    case OBJECTS_REMOTE:  /* impossible */
55    case OBJECTS_ERROR:
56      break;
57
58    case OBJECTS_LOCAL:
59      the_thread = the_period->owner;
60      if ( _States_Is_waiting_for_period( the_thread->current_state ) &&
61            the_thread->Wait.id == the_period->Object.id ) {
62        _Thread_Unblock( the_thread );
63        the_period->owner_ticks_executed_at_period =
64          the_thread->ticks_executed;
65
66        the_period->time_at_period = _Watchdog_Ticks_since_boot;
67
68        _Watchdog_Insert_ticks( &the_period->Timer, the_period->next_length );
69      } else if ( the_period->state == RATE_MONOTONIC_OWNER_IS_BLOCKING ) {
70        the_period->state = RATE_MONOTONIC_EXPIRED_WHILE_BLOCKING;
71        the_period->owner_ticks_executed_at_period =
72          the_thread->ticks_executed;
73
74        the_period->time_at_period = _Watchdog_Ticks_since_boot;
75        _Watchdog_Insert_ticks( &the_period->Timer, the_period->next_length );
76      } else
77        the_period->state = RATE_MONOTONIC_EXPIRED;
78      _Thread_Unnest_dispatch();
79      break;
80  }
81}
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