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

4.104.114.84.9
Last change on this file since 277cc95 was 277cc95, checked in by Joel Sherrill <joel.sherrill@…>, on Sep 4, 2003 at 6:54:32 PM

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: 2.8 KB
Line 
1/*
2 *  Message Queue 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/score/sysstate.h>
17#include <rtems/score/chain.h>
18#include <rtems/score/isr.h>
19#include <rtems/score/coremsg.h>
20#include <rtems/score/object.h>
21#include <rtems/score/states.h>
22#include <rtems/score/thread.h>
23#include <rtems/score/wkspace.h>
24#if defined(RTEMS_MULTIPROCESSING)
25#include <rtems/score/mpci.h>
26#endif
27#include <rtems/rtems/status.h>
28#include <rtems/rtems/attr.h>
29#include <rtems/rtems/message.h>
30#include <rtems/rtems/options.h>
31#include <rtems/rtems/support.h>
32
33/*PAGE
34 *
35 *  rtems_message_queue_broadcast
36 *
37 *  This directive sends a message for every thread waiting on the queue
38 *  designated by id.
39 *
40 *  Input parameters:
41 *    id     - pointer to message queue
42 *    buffer - pointer to message buffer
43 *    size   - size of message to broadcast
44 *    count  - pointer to area to store number of threads made ready
45 *
46 *  Output parameters:
47 *    count             - number of threads made ready
48 *    RTEMS_SUCCESSFUL  - if successful
49 *    error code        - if unsuccessful
50 */
51
52rtems_status_code rtems_message_queue_broadcast(
53  Objects_Id            id,
54  void                 *buffer,
55  unsigned32            size,
56  unsigned32           *count
57)
58{
59  register Message_queue_Control *the_message_queue;
60  Objects_Locations               location;
61  CORE_message_queue_Status       core_status;
62
63  the_message_queue = _Message_queue_Get( id, &location );
64  switch ( location ) {
65    case OBJECTS_REMOTE:
66#if defined(RTEMS_MULTIPROCESSING)
67      _Thread_Executing->Wait.return_argument = count;
68
69      return
70        _Message_queue_MP_Send_request_packet(
71          MESSAGE_QUEUE_MP_BROADCAST_REQUEST,
72          id,
73          buffer,
74          &size,
75          0,                               /* option_set not used */
76          MPCI_DEFAULT_TIMEOUT
77        );
78#endif
79
80    case OBJECTS_ERROR:
81      return RTEMS_INVALID_ID;
82
83    case OBJECTS_LOCAL:
84      core_status = _CORE_message_queue_Broadcast(
85                      &the_message_queue->message_queue,
86                      buffer,
87                      size,
88                      id,
89#if defined(RTEMS_MULTIPROCESSING)
90                      _Message_queue_Core_message_queue_mp_support,
91#else
92                      NULL,
93#endif
94                      count
95                    );
96                     
97      _Thread_Enable_dispatch();
98      return 
99        _Message_queue_Translate_core_message_queue_return_code( core_status );
100
101  }
102  return RTEMS_INTERNAL_ERROR;   /* unreached - only to remove warnings */
103}
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