source: rtems/testsuites/tmtests/tm10/task1.c @ 5c491aef

4.104.114.84.95
Last change on this file since 5c491aef 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: 3.4 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;
18long Buffer[4];
19
20rtems_task High_task(
21  rtems_task_argument argument
22);
23
24rtems_task Middle_tasks(
25  rtems_task_argument argument
26);
27
28rtems_task Low_task(
29  rtems_task_argument argument
30);
31
32void test_init();
33
34rtems_task Init(
35  rtems_task_argument argument
36)
37{
38  rtems_status_code status;
39
40  Print_Warning();
41
42  puts( "\n\n*** TIME TEST 10 ***" );
43
44  test_init();
45
46  status = rtems_task_delete( RTEMS_SELF );
47  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
48}
49
50void test_init()
51{
52  rtems_unsigned32    index;
53  rtems_unsigned32    size;
54  rtems_task_entry    task_entry;
55  rtems_status_code   status;
56  rtems_task_priority priority;
57  rtems_id            task_id;
58
59  priority = 5;
60
61  for( index = 0; index <= OPERATION_COUNT ; index++ ) {
62    status = rtems_task_create(
63      rtems_build_name( 'T', 'I', 'M', 'E' ),
64      priority,
65      RTEMS_MINIMUM_STACK_SIZE,
66      RTEMS_DEFAULT_MODES,
67      RTEMS_DEFAULT_ATTRIBUTES,
68      &task_id
69    );
70    directive_failed( status, "rtems_task_create LOOP" );
71
72    priority++;
73
74    if ( index==0 )                    task_entry = High_task;
75    else if ( index==OPERATION_COUNT ) task_entry = Low_task;
76    else                               task_entry = Middle_tasks;
77
78    status = rtems_task_start( task_id, task_entry, 0 );
79    directive_failed( status, "rtems_task_start LOOP" );
80  }
81
82  status = rtems_message_queue_create(
83    1,
84    OPERATION_COUNT,
85    16,
86    RTEMS_DEFAULT_ATTRIBUTES,
87    &Queue_id
88  );
89  directive_failed( status, "rtems_message_queue_create" );
90
91  Timer_initialize();
92    for ( index=1 ; index <= OPERATION_COUNT ; index++ )
93      (void) Empty_function();
94  overhead = Read_timer();
95
96  Timer_initialize();
97    for ( index=1 ; index <= OPERATION_COUNT ; index++ )
98      (void) rtems_message_queue_receive(
99               Queue_id,
100               (long (*)[4]) Buffer,
101               &size,
102               RTEMS_NO_WAIT,
103               RTEMS_NO_TIMEOUT
104             );
105  end_time = Read_timer();
106
107  put_time(
108    "rtems_message_queue_receive: not available -- NO_WAIT",
109    end_time,
110    OPERATION_COUNT,
111    overhead,
112    CALLING_OVERHEAD_MESSAGE_QUEUE_RECEIVE
113  );
114
115}
116
117rtems_task High_task(
118  rtems_task_argument argument
119)
120{
121  rtems_unsigned32 size;
122 
123  Timer_initialize();
124     (void) rtems_message_queue_receive(
125              Queue_id,
126              (long (*)[4]) Buffer,
127              &size,
128              RTEMS_DEFAULT_OPTIONS,
129              RTEMS_NO_TIMEOUT
130            );
131}
132
133rtems_task Middle_tasks(
134  rtems_task_argument argument
135)
136{
137  rtems_unsigned32 size;
138 
139  (void) rtems_message_queue_receive(
140           Queue_id,
141           (long (*)[4]) Buffer,
142           &size,
143           RTEMS_DEFAULT_OPTIONS,
144           RTEMS_NO_TIMEOUT
145         );
146}
147
148
149rtems_task Low_task(
150  rtems_task_argument argument
151)
152{
153  end_time = Read_timer();
154
155  put_time(
156    "rtems_message_queue_receive: not available -- caller blocks",
157    end_time,
158    OPERATION_COUNT,
159    0,
160    CALLING_OVERHEAD_MESSAGE_QUEUE_RECEIVE
161  );
162
163  puts( "*** END OF TEST 10 ***" );
164  exit( 0 );
165}
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