source: rtems/c/src/tests/tmtests/tm22/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: 4.0 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 Low_task(
25  rtems_task_argument argument
26);
27
28rtems_task High_task(
29  rtems_task_argument argument
30);
31
32rtems_task Preempt_task(
33  rtems_task_argument argument
34);
35
36rtems_task Init(
37  rtems_task_argument argument
38)
39{
40  rtems_id          id;
41  rtems_status_code status;
42
43  puts( "\n\n*** TIME TEST 22 ***" );
44
45  status = rtems_message_queue_create(
46    rtems_build_name( 'M', 'Q', '1', ' '),
47    0,
48    RTEMS_DEFAULT_ATTRIBUTES,
49    &Queue_id
50  );
51  directive_failed( status, "rtems_message_queue_create" );
52
53  status = rtems_task_create(
54    rtems_build_name( 'L', 'O', 'W', ' ' ),
55    10,
56    2048,
57    RTEMS_NO_PREEMPT,
58    RTEMS_DEFAULT_ATTRIBUTES,
59    &id
60  );
61  directive_failed( status, "rtems_task_create" );
62
63  status = rtems_task_start( id, Low_task, 0 );
64  directive_failed( status, "rtems_task_start LOW" );
65
66  status = rtems_task_create(
67    1,
68    11,
69    1024,
70    RTEMS_DEFAULT_MODES,
71    RTEMS_DEFAULT_ATTRIBUTES,
72    &id
73  );
74  directive_failed( status, "rtems_task_create RTEMS_PREEMPT" );
75
76  status = rtems_task_start( id, Preempt_task, 0 );
77  directive_failed( status, "rtems_task_start RTEMS_PREEMPT" );
78
79  status = rtems_task_delete( RTEMS_SELF );
80  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
81}
82
83rtems_task High_task(
84  rtems_task_argument argument
85)
86{
87  rtems_unsigned32  count;
88  rtems_status_code status;
89
90  Timer_initialize();
91    (void) rtems_message_queue_broadcast(
92             Queue_id,
93             (long (*)[4]) Buffer,
94             &count
95           );
96  end_time = Read_timer();
97
98  put_time(
99    "rtems_message_queue_broadcast (readying)",
100    end_time,
101    1,
102    0,
103    CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST
104  );
105
106  status = rtems_task_suspend(RTEMS_SELF);
107  directive_failed( status, "rtems_task_suspend" );
108}
109
110rtems_task Low_task(
111  rtems_task_argument argument
112)
113{
114  rtems_id          id;
115  rtems_unsigned32  index;
116  rtems_unsigned32  count;
117  rtems_status_code status;
118
119  status = rtems_task_create(
120    rtems_build_name( 'H', 'I', 'G', 'H' ),
121    5,
122    2048,
123    RTEMS_NO_PREEMPT,
124    RTEMS_DEFAULT_ATTRIBUTES,
125    &id
126  );
127  directive_failed( status, "rtems_task_create" );
128
129  status = rtems_task_start( id, High_task, 0 );
130  directive_failed( status, "rtems_task_start HIGH" );
131
132  status = rtems_message_queue_receive(
133    Queue_id,
134    (long (*)[4]) Buffer,
135    RTEMS_DEFAULT_OPTIONS,
136    RTEMS_NO_TIMEOUT
137  );
138  directive_failed( status, "message_queu_receive" );
139
140  Timer_initialize();
141    for ( index=1 ; index <= OPERATION_COUNT ; index++ )
142      (void) rtems_message_queue_broadcast(
143               Queue_id,
144               (long (*)[4]) Buffer,
145               &count
146             );
147  end_time = Read_timer();
148
149  put_time(
150    "rtems_message_queue_broadcast (no waiting tasks)",
151    end_time,
152    OPERATION_COUNT,
153    1,
154    CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST
155  );
156
157  (void) rtems_message_queue_receive(
158           Queue_id,
159           (long (*)[4]) Buffer,
160           RTEMS_DEFAULT_OPTIONS,
161           RTEMS_NO_TIMEOUT
162         );
163
164  /* should go to Preempt_task here */
165
166  end_time = Read_timer();
167
168  put_time(
169    "rtems_message_queue_broadcast (preempt)",
170    end_time,
171    1,
172    0,
173    CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST
174  );
175
176  exit( 0 );
177}
178
179rtems_task Preempt_task(
180  rtems_task_argument argument
181)
182{
183  rtems_unsigned32  count;
184
185  Timer_initialize();
186    (void) rtems_message_queue_broadcast(
187             Queue_id,
188             (long (*)[4]) Buffer,
189             &count
190           );
191
192 /* should be preempted by low task */
193}
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