source: rtems/testsuites/tmtests/tm22/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: 4.2 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 Low_task(
22  rtems_task_argument argument
23);
24
25rtems_task High_task(
26  rtems_task_argument argument
27);
28
29rtems_task Preempt_task(
30  rtems_task_argument argument
31);
32
33rtems_task Init(
34  rtems_task_argument argument
35)
36{
37  rtems_id          id;
38  rtems_status_code status;
39
40  Print_Warning();
41
42  puts( "\n\n*** TIME TEST 22 ***" );
43
44  status = rtems_message_queue_create(
45    rtems_build_name( 'M', 'Q', '1', ' '),
46    100,
47    16,
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    RTEMS_MINIMUM_STACK_SIZE,
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    RTEMS_MINIMUM_STACK_SIZE,
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             16,
95             &count
96           );
97  end_time = Read_timer();
98
99  put_time(
100    "rtems_message_queue_broadcast: task readied -- returns to caller",
101    end_time,
102    1,
103    0,
104    CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST
105  );
106
107  status = rtems_task_suspend(RTEMS_SELF);
108  directive_failed( status, "rtems_task_suspend" );
109}
110
111rtems_task Low_task(
112  rtems_task_argument argument
113)
114{
115  rtems_id          id;
116  rtems_unsigned32  index;
117  rtems_unsigned32  count;
118  rtems_unsigned32  size;
119  rtems_status_code status;
120
121  status = rtems_task_create(
122    rtems_build_name( 'H', 'I', 'G', 'H' ),
123    5,
124    RTEMS_MINIMUM_STACK_SIZE,
125    RTEMS_NO_PREEMPT,
126    RTEMS_DEFAULT_ATTRIBUTES,
127    &id
128  );
129  directive_failed( status, "rtems_task_create" );
130
131  status = rtems_task_start( id, High_task, 0 );
132  directive_failed( status, "rtems_task_start HIGH" );
133
134  status = rtems_message_queue_receive(
135    Queue_id,
136    (long (*)[4]) Buffer,
137    &size,
138    RTEMS_DEFAULT_OPTIONS,
139    RTEMS_NO_TIMEOUT
140  );
141  directive_failed( status, "message_queu_receive" );
142
143  Timer_initialize();
144    for ( index=1 ; index <= OPERATION_COUNT ; index++ )
145      (void) rtems_message_queue_broadcast(
146               Queue_id,
147               (long (*)[4]) Buffer,
148               16,
149               &count
150             );
151  end_time = Read_timer();
152
153  put_time(
154    "rtems_message_queue_broadcast: no waiting tasks",
155    end_time,
156    OPERATION_COUNT,
157    1,
158    CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST
159  );
160
161  (void) rtems_message_queue_receive(
162           Queue_id,
163           (long (*)[4]) Buffer,
164           &size,
165           RTEMS_DEFAULT_OPTIONS,
166           RTEMS_NO_TIMEOUT
167         );
168
169  /* should go to Preempt_task here */
170
171  end_time = Read_timer();
172
173  put_time(
174    "rtems_message_queue_broadcast: task readied -- preempts caller",
175    end_time,
176    1,
177    0,
178    CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST
179  );
180
181  puts( "*** END OF TEST 22 ***" );
182  exit( 0 );
183}
184
185rtems_task Preempt_task(
186  rtems_task_argument argument
187)
188{
189  rtems_unsigned32  count;
190
191  Timer_initialize();
192    (void) rtems_message_queue_broadcast(
193             Queue_id,
194             (long (*)[4]) Buffer,
195             16,
196             &count
197           );
198
199 /* should be preempted by low task */
200}
Note: See TracBrowser for help on using the repository browser.