source: rtems/testsuites/tmtests/tm11/task1.c @ 8f71a36

4.104.114.84.95
Last change on this file since 8f71a36 was 8f71a36, checked in by Ralf Corsepius <ralf.corsepius@…>, on 04/20/04 at 07:09:31

Remove stray white spaces.

  • Property mode set to 100644
File size: 3.2 KB
Line 
1/*
2 *
3 *  COPYRIGHT (c) 1989-1999.
4 *  On-Line Applications Research Corporation (OAR).
5 *
6 *  The license and distribution terms for this file may be
7 *  found in the file LICENSE in this distribution or at
8 *  http://www.rtems.com/license/LICENSE.
9 *
10 *  $Id$
11 */
12
13#define TEST_INIT
14#include "system.h"
15
16rtems_id Queue_id;
17
18long Buffer[4];
19
20rtems_task test_init(
21  rtems_task_argument argument
22);
23
24rtems_task Middle_tasks(
25  rtems_task_argument argument
26);
27
28rtems_task High_task(
29  rtems_task_argument argument
30);
31
32
33void Init(
34  rtems_task_argument argument
35)
36{
37  rtems_status_code status;
38  rtems_id id;
39
40  Print_Warning();
41
42  puts( "\n\n*** TIME TEST 11 ***" );
43
44  status = rtems_task_create(
45    1,
46    251,
47    RTEMS_MINIMUM_STACK_SIZE,
48    RTEMS_DEFAULT_MODES,
49    RTEMS_DEFAULT_ATTRIBUTES,
50    &id
51  );
52  directive_failed( status, "rtems_task_create" );
53
54  status = rtems_task_start( id, test_init, 0 );
55  directive_failed( status, "rtems_task_start" );
56
57  status = rtems_task_delete( RTEMS_SELF );
58  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
59}
60
61#define MESSAGE_SIZE (sizeof(long) * 4)
62
63rtems_task test_init(
64  rtems_task_argument argument
65)
66{
67  uint32_t      index;
68  rtems_task_entry    task_entry;
69  rtems_task_priority priority;
70  rtems_id            task_id;
71  rtems_status_code   status;
72
73/*  As each task is started, it preempts this task and
74 *  performs a blocking rtems_message_queue_receive.  Upon completion of
75 *  this loop all created tasks are blocked.
76 */
77
78  status = rtems_message_queue_create(
79    rtems_build_name( 'M', 'Q', '1', ' '  ),
80    OPERATION_COUNT,
81    MESSAGE_SIZE,
82    RTEMS_DEFAULT_ATTRIBUTES,
83    &Queue_id
84  );
85  directive_failed( status, "rtems_message_queue_create" );
86
87  priority = 250;
88
89  for( index = 0; index < OPERATION_COUNT ; index++ ) {
90    status = rtems_task_create(
91      rtems_build_name( 'T', 'I', 'M', 'E'  ),
92      priority,
93      RTEMS_MINIMUM_STACK_SIZE,
94      RTEMS_DEFAULT_MODES,
95      RTEMS_DEFAULT_ATTRIBUTES,
96      &task_id
97    );
98    directive_failed( status, "rtems_task_create LOOP" );
99
100    priority--;
101
102    if ( index==OPERATION_COUNT-1 ) task_entry = High_task;
103    else                            task_entry = Middle_tasks;
104
105    status = rtems_task_start( task_id, task_entry, 0 );
106    directive_failed( status, "rtems_task_start LOOP" );
107  }
108
109  Timer_initialize();
110    (void) rtems_message_queue_send( Queue_id, Buffer, MESSAGE_SIZE );
111}
112
113rtems_task Middle_tasks(
114  rtems_task_argument argument
115)
116{
117  uint32_t   size;
118
119  (void) rtems_message_queue_receive(
120           Queue_id,
121           (long (*)[4]) Buffer,
122           &size,
123           RTEMS_DEFAULT_OPTIONS,
124           RTEMS_NO_TIMEOUT
125         );
126
127  (void) rtems_message_queue_send( Queue_id, (long (*)[4]) Buffer, size );
128}
129
130rtems_task High_task(
131  rtems_task_argument argument
132)
133{
134  uint32_t   size;
135
136  (void) rtems_message_queue_receive(
137           Queue_id,
138           (long (*)[4]) Buffer,
139           &size,
140           RTEMS_DEFAULT_OPTIONS,
141           RTEMS_NO_TIMEOUT
142         );
143
144  end_time = Read_timer();
145
146  put_time(
147    "rtems_message_queue_send: task readied -- preempts caller",
148    end_time,
149    OPERATION_COUNT,
150    0,
151    CALLING_OVERHEAD_MESSAGE_QUEUE_SEND
152  );
153
154  puts( "*** END OF TEST 11 ***" );
155  rtems_test_exit( 0 );
156}
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