source: rtems/testsuites/mptests/mp14/msgtask1.c @ 7d17145

4.104.114.9
Last change on this file since 7d17145 was d8e681e, checked in by Ralf Corsepius <ralf.corsepius@…>, on Mar 30, 2004 at 11:18:29 AM

2004-03-30 Ralf Corsepius <ralf_corsepius@…>

  • mp02/task1.c, mp03/system.h, mp03/task1.c, mp04/task1.c, mp05/system.h, mp06/task1.c, mp07/task1.c, mp08/task1.c, mp09/recvmsg.c, mp09/sendmsg.c, mp09/task1.c, mp10/task1.c, mp11/init.c, mp12/init.c, mp13/task1.c, mp14/evtask1.c, mp14/evtmtask.c, mp14/init.c, mp14/msgtask1.c, mp14/pttask1.c, mp14/smtask1.c, mp14/system.h: Convert to using c99 fixed size types.
  • Property mode set to 100644
File size: 2.7 KB
Line 
1/*  Message_queue_task
2 *
3 *  This task continuously sends messages to and receives messages from
4 *  a global message queue.    The message buffer is viewed as an array
5 *  of two sixty-four bit counts which are incremented when a message is
6 *  received.
7 *
8 *  Input parameters:
9 *    argument - task argument
10 *
11 *  Output parameters:  NONE
12 *
13 *  COPYRIGHT (c) 1989-1999.
14 *  On-Line Applications Research Corporation (OAR).
15 *
16 *  The license and distribution terms for this file may be
17 *  found in the file LICENSE in this distribution or at
18 *  http://www.rtems.com/license/LICENSE.
19 *
20 *  $Id$
21 */
22
23#include "system.h"
24
25rtems_task Message_queue_task(
26  rtems_task_argument index
27)
28{
29  rtems_status_code  status;
30  uint32_t     count;
31  uint32_t     yield_count;
32  uint32_t    *buffer_count;
33  uint32_t    *overflow_count;
34  uint32_t     size;
35
36  Msg_buffer[ index ][0] = 0;
37  Msg_buffer[ index ][1] = 0;
38  Msg_buffer[ index ][2] = 0;
39  Msg_buffer[ index ][3] = 0;
40
41  puts( "Getting ID of msg queue" );
42  while ( FOREVER ) {
43    status = rtems_message_queue_ident(
44      Queue_name[ 1 ],
45      RTEMS_SEARCH_ALL_NODES,
46      &Queue_id[ 1 ]
47    );
48    if ( status == RTEMS_SUCCESSFUL )
49      break;
50    puts( "rtems_message_queue_ident FAILED!!" );
51    rtems_task_wake_after(2);
52  }
53
54  if ( Multiprocessing_configuration.node == 1 ) {
55      status = rtems_message_queue_send(
56        Queue_id[ 1 ],
57        (long (*)[4])Msg_buffer[ index ],
58        16
59      );
60      directive_failed( status, "rtems_message_queue_send" );
61      overflow_count = &Msg_buffer[ index ][0];
62      buffer_count   = &Msg_buffer[ index ][1];
63  } else {
64      overflow_count = &Msg_buffer[ index ][2];
65      buffer_count   = &Msg_buffer[ index ][3];
66  }
67
68  while ( Stop_Test == FALSE ) {
69    yield_count = 100;
70
71    for ( count=MESSAGE_DOT_COUNT ; Stop_Test == FALSE && count ; count-- ) {
72      status = rtems_message_queue_receive(
73        Queue_id[ 1 ],
74        (long (*)[4])Msg_buffer[ index ],
75        &size,
76        RTEMS_DEFAULT_OPTIONS,
77        RTEMS_NO_TIMEOUT
78      );
79      directive_failed( status, "rtems_message_queue_receive" );
80
81      if ( *buffer_count == (uint32_t  )0xffffffff ) {
82        *buffer_count    = 0;
83        *overflow_count += 1;
84      } else
85        *buffer_count += 1;
86
87      status = rtems_message_queue_send(
88        Queue_id[ 1 ],
89        (long (*)[4])Msg_buffer[ index ],
90        16
91      );
92      directive_failed( status, "rtems_message_queue_send" );
93
94      if (Stop_Test == FALSE)
95        if ( Multiprocessing_configuration.node == 1 && --yield_count == 0 ) {
96          status = rtems_task_wake_after( RTEMS_YIELD_PROCESSOR );
97          directive_failed( status, "rtems_task_wake_after" );
98
99          yield_count = 100;
100        }
101    }
102    put_dot( 'm' );
103  }
104
105  Exit_test();
106}
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