source: rtems/testsuites/tmtests/tm22/task1.c @ c499856

4.11
Last change on this file since c499856 was c499856, checked in by Chris Johns <chrisj@…>, on Mar 20, 2014 at 9:10:47 PM

Change all references of rtems.com to rtems.org.

  • Property mode set to 100644
File size: 4.2 KB
Line 
1/*
2 *
3 *  COPYRIGHT (c) 1989-2013.
4 *  On-Line Applications Research Corporation (OAR).
5 *
6 *  The license and distribution terms for this file may be
7 *  found in the file LICENSE in this distribution or at
8 *  http://www.rtems.org/license/LICENSE.
9 */
10
11#ifdef HAVE_CONFIG_H
12#include "config.h"
13#endif
14
15#define CONFIGURE_INIT
16#include "system.h"
17
18rtems_id Queue_id;
19
20long Buffer[4];
21
22rtems_task Low_task(
23  rtems_task_argument argument
24);
25
26rtems_task High_task(
27  rtems_task_argument argument
28);
29
30rtems_task Preempt_task(
31  rtems_task_argument argument
32);
33
34rtems_task Init(
35  rtems_task_argument argument
36)
37{
38  rtems_id          id;
39  rtems_status_code status;
40
41  Print_Warning();
42
43  puts( "\n\n*** TIME TEST 22 ***" );
44
45  status = rtems_message_queue_create(
46    rtems_build_name( 'M', 'Q', '1', ' '),
47    100,
48    MESSAGE_SIZE,
49    RTEMS_DEFAULT_ATTRIBUTES,
50    &Queue_id
51  );
52  directive_failed( status, "rtems_message_queue_create" );
53
54  status = rtems_task_create(
55    rtems_build_name( 'L', 'O', 'W', ' ' ),
56    10,
57    RTEMS_MINIMUM_STACK_SIZE,
58    RTEMS_NO_PREEMPT,
59    RTEMS_DEFAULT_ATTRIBUTES,
60    &id
61  );
62  directive_failed( status, "rtems_task_create" );
63
64  status = rtems_task_start( id, Low_task, 0 );
65  directive_failed( status, "rtems_task_start LOW" );
66
67  status = rtems_task_create(
68    1,
69    11,
70    RTEMS_MINIMUM_STACK_SIZE,
71    RTEMS_DEFAULT_MODES,
72    RTEMS_DEFAULT_ATTRIBUTES,
73    &id
74  );
75  directive_failed( status, "rtems_task_create RTEMS_PREEMPT" );
76
77  status = rtems_task_start( id, Preempt_task, 0 );
78  directive_failed( status, "rtems_task_start RTEMS_PREEMPT" );
79
80  status = rtems_task_delete( RTEMS_SELF );
81  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
82}
83
84rtems_task High_task(
85  rtems_task_argument argument
86)
87{
88  uint32_t    count;
89  rtems_status_code status;
90
91  benchmark_timer_initialize();
92    (void) rtems_message_queue_broadcast(
93             Queue_id,
94             Buffer,
95             MESSAGE_SIZE,
96             &count
97           );
98  end_time = benchmark_timer_read();
99
100  put_time(
101    "rtems_message_queue_broadcast: task readied returns to caller",
102    end_time,
103    1,
104    0,
105    CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST
106  );
107
108  status = rtems_task_suspend(RTEMS_SELF);
109  directive_failed( status, "rtems_task_suspend" );
110}
111
112rtems_task Low_task(
113  rtems_task_argument argument
114)
115{
116  rtems_id          id;
117  uint32_t          index;
118  uint32_t          count;
119  size_t            size;
120  rtems_status_code status;
121
122  status = rtems_task_create(
123    rtems_build_name( 'H', 'I', 'G', 'H' ),
124    5,
125    RTEMS_MINIMUM_STACK_SIZE,
126    RTEMS_NO_PREEMPT,
127    RTEMS_DEFAULT_ATTRIBUTES,
128    &id
129  );
130  directive_failed( status, "rtems_task_create" );
131
132  status = rtems_task_start( id, High_task, 0 );
133  directive_failed( status, "rtems_task_start HIGH" );
134
135  status = rtems_message_queue_receive(
136    Queue_id,
137    (long (*)[4]) Buffer,
138    &size,
139    RTEMS_DEFAULT_OPTIONS,
140    RTEMS_NO_TIMEOUT
141  );
142  directive_failed( status, "message_queu_receive" );
143
144  benchmark_timer_initialize();
145    for ( index=1 ; index <= OPERATION_COUNT ; index++ )
146      (void) rtems_message_queue_broadcast(
147               Queue_id,
148               Buffer,
149               MESSAGE_SIZE,
150               &count
151             );
152  end_time = benchmark_timer_read();
153
154  put_time(
155    "rtems_message_queue_broadcast: no waiting tasks",
156    end_time,
157    OPERATION_COUNT,
158    1,
159    CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST
160  );
161
162  (void) rtems_message_queue_receive(
163           Queue_id,
164           (long (*)[4]) Buffer,
165           &size,
166           RTEMS_DEFAULT_OPTIONS,
167           RTEMS_NO_TIMEOUT
168         );
169
170  /* should go to Preempt_task here */
171
172  end_time = benchmark_timer_read();
173
174  put_time(
175    "rtems_message_queue_broadcast: task readied -- preempts caller",
176    end_time,
177    1,
178    0,
179    CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST
180  );
181
182  puts( "*** END OF TEST 22 ***" );
183  rtems_test_exit( 0 );
184}
185
186rtems_task Preempt_task(
187  rtems_task_argument argument
188)
189{
190  uint32_t    count;
191
192  benchmark_timer_initialize();
193    (void) rtems_message_queue_broadcast(
194             Queue_id,
195             Buffer,
196             MESSAGE_SIZE,
197             &count
198           );
199
200 /* should be preempted by low task */
201}
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