source: rtems/testsuites/tmtests/tm11/task1.c @ ac7d5ef0

4.104.114.84.95
Last change on this file since ac7d5ef0 was ac7d5ef0, checked in by Joel Sherrill <joel.sherrill@…>, on May 11, 1995 at 5:39:37 PM

Initial revision

  • Property mode set to 100644
File size: 3.1 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#include "system.h"
15#undef EXTERN
16#define EXTERN
17#include "conftbl.h"
18#include "gvar.h"
19
20rtems_id Queue_id;
21
22long Buffer[4];
23
24rtems_task test_init(
25  rtems_task_argument argument
26);
27
28rtems_task Middle_tasks(
29  rtems_task_argument argument
30);
31
32rtems_task High_task(
33  rtems_task_argument argument
34);
35
36
37void Init(
38  rtems_task_argument argument
39)
40{
41  rtems_status_code status;
42  rtems_id id;
43
44  puts( "\n\n*** TIME TEST 11 ***" );
45
46  status = rtems_task_create(
47    1,
48    251,
49    1024,
50    RTEMS_DEFAULT_MODES,
51    RTEMS_DEFAULT_ATTRIBUTES,
52    &id
53  );
54  directive_failed( status, "rtems_task_create" );
55
56  status = rtems_task_start( id, test_init, 0 );
57  directive_failed( status, "rtems_task_start" );
58
59  status = rtems_task_delete( RTEMS_SELF );
60  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
61}
62
63rtems_task test_init(
64  rtems_task_argument argument
65)
66{
67  rtems_unsigned32    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    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      1024,
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 );
110}
111
112rtems_task Middle_tasks(
113  rtems_task_argument argument
114)
115{
116  (void) rtems_message_queue_receive(
117           Queue_id,
118           (long (*)[4]) Buffer,
119           RTEMS_DEFAULT_OPTIONS,
120           RTEMS_NO_TIMEOUT
121         );
122
123  (void) rtems_message_queue_send( Queue_id, (long (*)[4]) Buffer );
124}
125
126rtems_task High_task(
127  rtems_task_argument argument
128)
129{
130  (void) rtems_message_queue_receive(
131           Queue_id,
132           (long (*)[4]) Buffer,
133           RTEMS_DEFAULT_OPTIONS,
134           RTEMS_NO_TIMEOUT
135         );
136
137  end_time = Read_timer();
138
139  put_time(
140    "rtems_message_queue_send (preemptive)",
141    end_time,
142    OPERATION_COUNT,
143    0,
144    CALLING_OVERHEAD_MESSAGE_QUEUE_SEND
145  );
146
147  exit( 0 );
148}
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