source:
rtems/c/src/tests/tmtests/tm10/task1.c
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95a81ab
Last change on this file since 95a81ab was 95a81ab, checked in by Joel Sherrill <joel.sherrill@…>, on 09/04/03 at 18:53:55 | |
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1 | /* |
2 | * |
3 | * COPYRIGHT (c) 1989-1999. |
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.com/license/LICENSE. |
9 | * |
10 | * $Id$ |
11 | */ |
12 | |
13 | #define TEST_INIT |
14 | #include "system.h" |
15 | |
16 | rtems_id Queue_id; |
17 | long Buffer[4]; |
18 | |
19 | rtems_task High_task( |
20 | rtems_task_argument argument |
21 | ); |
22 | |
23 | rtems_task Middle_tasks( |
24 | rtems_task_argument argument |
25 | ); |
26 | |
27 | rtems_task Low_task( |
28 | rtems_task_argument argument |
29 | ); |
30 | |
31 | void test_init(); |
32 | |
33 | rtems_task Init( |
34 | rtems_task_argument argument |
35 | ) |
36 | { |
37 | rtems_status_code status; |
38 | |
39 | Print_Warning(); |
40 | |
41 | puts( "\n\n*** TIME TEST 10 ***" ); |
42 | |
43 | test_init(); |
44 | |
45 | status = rtems_task_delete( RTEMS_SELF ); |
46 | directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); |
47 | } |
48 | |
49 | void test_init() |
50 | { |
51 | rtems_unsigned32 index; |
52 | rtems_unsigned32 size; |
53 | rtems_task_entry task_entry; |
54 | rtems_status_code status; |
55 | rtems_task_priority priority; |
56 | rtems_id task_id; |
57 | |
58 | priority = 5; |
59 | |
60 | for( index = 0; index <= OPERATION_COUNT ; index++ ) { |
61 | status = rtems_task_create( |
62 | rtems_build_name( 'T', 'I', 'M', 'E' ), |
63 | priority, |
64 | RTEMS_MINIMUM_STACK_SIZE, |
65 | RTEMS_DEFAULT_MODES, |
66 | RTEMS_DEFAULT_ATTRIBUTES, |
67 | &task_id |
68 | ); |
69 | directive_failed( status, "rtems_task_create LOOP" ); |
70 | |
71 | priority++; |
72 | |
73 | if ( index==0 ) task_entry = High_task; |
74 | else if ( index==OPERATION_COUNT ) task_entry = Low_task; |
75 | else task_entry = Middle_tasks; |
76 | |
77 | status = rtems_task_start( task_id, task_entry, 0 ); |
78 | directive_failed( status, "rtems_task_start LOOP" ); |
79 | } |
80 | |
81 | status = rtems_message_queue_create( |
82 | 1, |
83 | OPERATION_COUNT, |
84 | 16, |
85 | RTEMS_DEFAULT_ATTRIBUTES, |
86 | &Queue_id |
87 | ); |
88 | directive_failed( status, "rtems_message_queue_create" ); |
89 | |
90 | Timer_initialize(); |
91 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
92 | (void) Empty_function(); |
93 | overhead = Read_timer(); |
94 | |
95 | Timer_initialize(); |
96 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
97 | (void) rtems_message_queue_receive( |
98 | Queue_id, |
99 | (long (*)[4]) Buffer, |
100 | &size, |
101 | RTEMS_NO_WAIT, |
102 | RTEMS_NO_TIMEOUT |
103 | ); |
104 | end_time = Read_timer(); |
105 | |
106 | put_time( |
107 | "rtems_message_queue_receive: not available -- NO_WAIT", |
108 | end_time, |
109 | OPERATION_COUNT, |
110 | overhead, |
111 | CALLING_OVERHEAD_MESSAGE_QUEUE_RECEIVE |
112 | ); |
113 | |
114 | } |
115 | |
116 | rtems_task High_task( |
117 | rtems_task_argument argument |
118 | ) |
119 | { |
120 | rtems_unsigned32 size; |
121 | |
122 | Timer_initialize(); |
123 | (void) rtems_message_queue_receive( |
124 | Queue_id, |
125 | (long (*)[4]) Buffer, |
126 | &size, |
127 | RTEMS_DEFAULT_OPTIONS, |
128 | RTEMS_NO_TIMEOUT |
129 | ); |
130 | } |
131 | |
132 | rtems_task Middle_tasks( |
133 | rtems_task_argument argument |
134 | ) |
135 | { |
136 | rtems_unsigned32 size; |
137 | |
138 | (void) rtems_message_queue_receive( |
139 | Queue_id, |
140 | (long (*)[4]) Buffer, |
141 | &size, |
142 | RTEMS_DEFAULT_OPTIONS, |
143 | RTEMS_NO_TIMEOUT |
144 | ); |
145 | } |
146 | |
147 | |
148 | rtems_task Low_task( |
149 | rtems_task_argument argument |
150 | ) |
151 | { |
152 | end_time = Read_timer(); |
153 | |
154 | put_time( |
155 | "rtems_message_queue_receive: not available -- caller blocks", |
156 | end_time, |
157 | OPERATION_COUNT, |
158 | 0, |
159 | CALLING_OVERHEAD_MESSAGE_QUEUE_RECEIVE |
160 | ); |
161 | |
162 | puts( "*** END OF TEST 10 ***" ); |
163 | rtems_test_exit( 0 ); |
164 | } |
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