source: rtems/cpukit/rtems/src/eventsend.c @ ebe61382

4.104.114.95
Last change on this file since ebe61382 was ebe61382, checked in by Joel Sherrill <joel.sherrill@…>, on 11/30/07 at 21:49:41

2007-11-30 Joel Sherrill <joel.sherrill@…>

  • rtems/src/barrierdelete.c, rtems/src/barrierrelease.c, rtems/src/barriertranslatereturncode.c, rtems/src/barrierwait.c, rtems/src/clockget.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/semdelete.c, rtems/src/semflush.c, rtems/src/semobtain.c, rtems/src/semrelease.c, rtems/src/semtranslatereturncode.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/timerfirewhen.c, rtems/src/timergetinfo.c, rtems/src/timerreset.c, rtems/src/timerserverfireafter.c, rtems/src/timerserverfirewhen.c: Restructured all code with the switch (location) pattern so that OBJECTS_LOCAL is first and we can fall into it and the OBJECTS_ERROR case breaks to a return RTEMS_INVALID_ID. This eliminates the return RTEMS_INTERNAL_ERROR at the bottom of each of these files which was unreachable and untestable code. This resulted in a code savings of approximately 20 bytes per file on the SPARC/ERC32.
  • Property mode set to 100644
File size: 1.6 KB
Line 
1/*
2 *  Event Manager
3 *
4 *  COPYRIGHT (c) 1989-2007.
5 *  On-Line Applications Research Corporation (OAR).
6 *
7 *  The license and distribution terms for this file may be
8 *  found in the file LICENSE in this distribution or at
9 *  http://www.rtems.com/license/LICENSE.
10 *
11 *  $Id$
12 */
13
14#if HAVE_CONFIG_H
15#include "config.h"
16#endif
17
18#include <rtems/system.h>
19#include <rtems/rtems/status.h>
20#include <rtems/rtems/event.h>
21#include <rtems/score/isr.h>
22#include <rtems/score/object.h>
23#include <rtems/rtems/options.h>
24#include <rtems/score/states.h>
25#include <rtems/score/thread.h>
26#include <rtems/rtems/tasks.h>
27
28/*PAGE
29 *
30 *  rtems_event_send
31 *
32 *  This directive allows a thread send an event set to another thread.
33 *
34 *  Input parameters:
35 *    id    - thread id
36 *    event - event set
37 *
38 *  Output parameters:
39 *    RTEMS_SUCCESSFUL - if successful
40 *    error code - if unsuccessful
41 */
42
43rtems_status_code rtems_event_send(
44  Objects_Id        id,
45  rtems_event_set   event_in
46)
47{
48  register Thread_Control *the_thread;
49  Objects_Locations        location;
50  RTEMS_API_Control       *api;
51
52  the_thread = _Thread_Get( id, &location );
53  switch ( location ) {
54
55    case OBJECTS_LOCAL:
56      api = the_thread->API_Extensions[ THREAD_API_RTEMS ];
57      _Event_sets_Post( event_in, &api->pending_events );
58      _Event_Surrender( the_thread );
59      _Thread_Enable_dispatch();
60      return RTEMS_SUCCESSFUL;
61
62#if defined(RTEMS_MULTIPROCESSING)
63    case OBJECTS_REMOTE:
64      return(
65        _Event_MP_Send_request_packet(
66          EVENT_MP_SEND_REQUEST,
67          id,
68          event_in
69        )
70      );
71#endif
72
73    case OBJECTS_ERROR:
74      break;
75  }
76
77  return RTEMS_INVALID_ID;
78}
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