source: rtems/testsuites/tmtests/tm13/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: 3.3 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 test_init(
22  rtems_task_argument argument
23);
24
25rtems_task Middle_tasks(
26  rtems_task_argument argument
27);
28
29rtems_task High_task(
30  rtems_task_argument argument
31);
32
33void Init(
34  rtems_task_argument argument
35)
36{
37  rtems_status_code status;
38  rtems_id id;
39
40  Print_Warning();
41
42  puts( "\n\n*** TIME TEST 13 ***" );
43
44  status = rtems_task_create(
45    1,
46    251,
47    RTEMS_MINIMUM_STACK_SIZE,
48    RTEMS_DEFAULT_MODES,
49    RTEMS_DEFAULT_ATTRIBUTES,
50    &id
51  );
52  directive_failed( status, "rtems_task_create" );
53
54  status = rtems_task_start( id, test_init, 0 );
55  directive_failed( status, "rtems_task_start" );
56
57  status = rtems_task_delete( RTEMS_SELF );
58  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
59}
60
61rtems_task test_init(
62  rtems_task_argument argument
63)
64{
65  rtems_unsigned32    index;
66  rtems_task_entry    task_entry;
67  rtems_task_priority priority;
68  rtems_id            task_id;
69  rtems_status_code   status;
70
71/*  As each task is started, it preempts this task and
72 *  performs a blocking rtems_message_queue_receive.  Upon completion of
73 *  this loop all created tasks are blocked.
74 */
75
76  status = rtems_message_queue_create(
77    rtems_build_name( 'M', 'Q', '1', ' '  ),
78    OPERATION_COUNT,
79    16,
80    RTEMS_DEFAULT_ATTRIBUTES,
81    &Queue_id
82  );
83  directive_failed( status, "rtems_message_queue_create" );
84
85  priority = 250;
86
87  for( index = 0; index < OPERATION_COUNT ; index++ ) {
88    status = rtems_task_create(
89      rtems_build_name( 'T', 'I', 'M', 'E'  ),
90      priority,
91      RTEMS_MINIMUM_STACK_SIZE,
92      RTEMS_DEFAULT_MODES,
93      RTEMS_DEFAULT_ATTRIBUTES,
94      &task_id
95    );
96    directive_failed( status, "rtems_task_create LOOP" );
97
98    priority--;
99
100    if ( index==OPERATION_COUNT-1 ) task_entry = High_task;
101    else                            task_entry = Middle_tasks;
102
103    status = rtems_task_start( task_id, task_entry, 0 );
104    directive_failed( status, "rtems_task_start LOOP" );
105  }
106
107  Timer_initialize();
108    (void) rtems_message_queue_urgent( Queue_id, (long (*)[4]) Buffer, 16 );
109}
110
111rtems_task Middle_tasks(
112  rtems_task_argument argument
113)
114{
115  rtems_unsigned32 size;
116
117  (void) rtems_message_queue_receive(
118           Queue_id,
119           (long (*)[4]) Buffer,
120           &size,
121           RTEMS_DEFAULT_OPTIONS,
122           RTEMS_NO_TIMEOUT
123         );
124
125  (void) rtems_message_queue_urgent( Queue_id, (long (*)[4]) Buffer, size );
126}
127
128rtems_task High_task(
129  rtems_task_argument argument
130)
131{
132  rtems_unsigned32 size;
133
134  (void) rtems_message_queue_receive(
135           Queue_id,
136           (long (*)[4]) Buffer,
137           &size,
138           RTEMS_DEFAULT_OPTIONS,
139           RTEMS_NO_TIMEOUT
140         );
141
142  end_time = Read_timer();
143
144  put_time(
145    "rtems_message_queue_urgent: task readied -- preempts caller",
146    end_time,
147    OPERATION_COUNT,
148    0,
149    CALLING_OVERHEAD_MESSAGE_QUEUE_URGENT
150  );
151
152  puts( "*** END OF TEST 13 ***" );
153  exit( 0 );
154}
Note: See TracBrowser for help on using the repository browser.