source: rtems/testsuites/tmtests/tm11/task1.c @ 8389628

4.104.114.84.95
Last change on this file since 8389628 was 5c491aef, checked in by Joel Sherrill <joel.sherrill@…>, on Dec 20, 1995 at 3:39:19 PM

changes remerged after lost in disk crash -- recovered from snapshot, partially recovered working tree, etc

  • Property mode set to 100644
File size: 3.3 KB
Line 
1/*
2 *
3 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
4 *  On-Line Applications Research Corporation (OAR).
5 *  All rights assigned to U.S. Government, 1994.
6 *
7 *  This material may be reproduced by or for the U.S. Government pursuant
8 *  to the copyright license under the clause at DFARS 252.227-7013.  This
9 *  notice must appear in all copies of this file and its derivatives.
10 *
11 *  $Id$
12 */
13
14#define TEST_INIT
15#include "system.h"
16
17rtems_id Queue_id;
18
19long Buffer[4];
20
21rtems_task test_init(
22  rtems_task_argument argument
23);
24
25rtems_task Middle_tasks(
26  rtems_task_argument argument
27);
28
29rtems_task High_task(
30  rtems_task_argument argument
31);
32
33
34void Init(
35  rtems_task_argument argument
36)
37{
38  rtems_status_code status;
39  rtems_id id;
40
41  Print_Warning();
42
43  puts( "\n\n*** TIME TEST 11 ***" );
44
45  status = rtems_task_create(
46    1,
47    251,
48    RTEMS_MINIMUM_STACK_SIZE,
49    RTEMS_DEFAULT_MODES,
50    RTEMS_DEFAULT_ATTRIBUTES,
51    &id
52  );
53  directive_failed( status, "rtems_task_create" );
54
55  status = rtems_task_start( id, test_init, 0 );
56  directive_failed( status, "rtems_task_start" );
57
58  status = rtems_task_delete( RTEMS_SELF );
59  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
60}
61
62rtems_task test_init(
63  rtems_task_argument argument
64)
65{
66  rtems_unsigned32    index;
67  rtems_task_entry    task_entry;
68  rtems_task_priority priority;
69  rtems_id            task_id;
70  rtems_status_code   status;
71
72/*  As each task is started, it preempts this task and
73 *  performs a blocking rtems_message_queue_receive.  Upon completion of
74 *  this loop all created tasks are blocked.
75 */
76
77  status = rtems_message_queue_create(
78    rtems_build_name( 'M', 'Q', '1', ' '  ),
79    OPERATION_COUNT,
80    16,
81    RTEMS_DEFAULT_ATTRIBUTES,
82    &Queue_id
83  );
84  directive_failed( status, "rtems_message_queue_create" );
85
86  priority = 250;
87
88  for( index = 0; index < OPERATION_COUNT ; index++ ) {
89    status = rtems_task_create(
90      rtems_build_name( 'T', 'I', 'M', 'E'  ),
91      priority,
92      RTEMS_MINIMUM_STACK_SIZE,
93      RTEMS_DEFAULT_MODES,
94      RTEMS_DEFAULT_ATTRIBUTES,
95      &task_id
96    );
97    directive_failed( status, "rtems_task_create LOOP" );
98
99    priority--;
100
101    if ( index==OPERATION_COUNT-1 ) task_entry = High_task;
102    else                            task_entry = Middle_tasks;
103
104    status = rtems_task_start( task_id, task_entry, 0 );
105    directive_failed( status, "rtems_task_start LOOP" );
106  }
107
108  Timer_initialize();
109    (void) rtems_message_queue_send( Queue_id, (long (*)[4]) Buffer, 16 );
110}
111
112rtems_task Middle_tasks(
113  rtems_task_argument argument
114)
115{
116  rtems_unsigned32 size;
117
118  (void) rtems_message_queue_receive(
119           Queue_id,
120           (long (*)[4]) Buffer,
121           &size,
122           RTEMS_DEFAULT_OPTIONS,
123           RTEMS_NO_TIMEOUT
124         );
125
126  (void) rtems_message_queue_send( Queue_id, (long (*)[4]) Buffer, size );
127}
128
129rtems_task High_task(
130  rtems_task_argument argument
131)
132{
133  rtems_unsigned32 size;
134 
135  (void) rtems_message_queue_receive(
136           Queue_id,
137           (long (*)[4]) Buffer,
138           &size,
139           RTEMS_DEFAULT_OPTIONS,
140           RTEMS_NO_TIMEOUT
141         );
142
143  end_time = Read_timer();
144
145  put_time(
146    "rtems_message_queue_send: task readied -- preempts caller",
147    end_time,
148    OPERATION_COUNT,
149    0,
150    CALLING_OVERHEAD_MESSAGE_QUEUE_SEND
151  );
152
153  puts( "*** END OF TEST 11 ***" );
154  exit( 0 );
155}
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