source:
rtems/testsuites/tmtests/tm02/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 High_id; |
17 | rtems_id Low_id; |
18 | rtems_id Semaphore_id; |
19 | |
20 | rtems_task High_task( |
21 | rtems_task_argument argument |
22 | ); |
23 | |
24 | rtems_task Middle_tasks( |
25 | rtems_task_argument argument |
26 | ); |
27 | |
28 | rtems_task Low_task( |
29 | rtems_task_argument argument |
30 | ); |
31 | |
32 | |
33 | void test_init(); |
34 | |
35 | rtems_task Init( |
36 | rtems_task_argument argument |
37 | ) |
38 | { |
39 | rtems_status_code status; |
40 | |
41 | Print_Warning(); |
42 | |
43 | puts( "\n\n*** TIME TEST 2 ***" ); |
44 | |
45 | test_init(); |
46 | |
47 | status = rtems_task_delete( RTEMS_SELF ); |
48 | directive_failed( status, "rtems_task_delete" ); |
49 | } |
50 | |
51 | void test_init() |
52 | { |
53 | rtems_status_code status; |
54 | rtems_unsigned32 index; |
55 | rtems_task_priority priority; |
56 | |
57 | priority = 5; |
58 | |
59 | status = rtems_task_create( |
60 | rtems_build_name( 'H', 'I', 'G', 'H' ), |
61 | priority, |
62 | RTEMS_MINIMUM_STACK_SIZE, |
63 | RTEMS_DEFAULT_MODES, |
64 | RTEMS_DEFAULT_ATTRIBUTES, |
65 | &High_id |
66 | ); |
67 | directive_failed( status, "rtems_task_create of high task" ); |
68 | |
69 | priority++; |
70 | |
71 | status = rtems_task_start( High_id, High_task, 0 ); |
72 | directive_failed( status, "rtems_task_start of high task" ); |
73 | |
74 | for ( index=2 ; index <= OPERATION_COUNT ; index++ ) { |
75 | status = rtems_task_create( |
76 | rtems_build_name( 'M', 'I', 'D', ' ' ), |
77 | priority, |
78 | RTEMS_MINIMUM_STACK_SIZE, |
79 | RTEMS_DEFAULT_MODES, |
80 | RTEMS_DEFAULT_ATTRIBUTES, |
81 | &Low_id |
82 | ); |
83 | directive_failed( status, "rtems_task_create middle" ); |
84 | |
85 | priority++; |
86 | |
87 | status = rtems_task_start( Low_id, Middle_tasks, 0 ); |
88 | directive_failed( status, "rtems_task_start middle" ); |
89 | } |
90 | |
91 | status = rtems_task_create( |
92 | rtems_build_name( 'L', 'O', 'W', ' ' ), |
93 | priority, |
94 | RTEMS_MINIMUM_STACK_SIZE, |
95 | RTEMS_DEFAULT_MODES, |
96 | RTEMS_DEFAULT_ATTRIBUTES, |
97 | &Low_id |
98 | ); |
99 | directive_failed( status, "rtems_task_create low" ); |
100 | |
101 | status = rtems_task_start( Low_id, Low_task, 0 ); |
102 | directive_failed( status, "rtems_task_start low" ); |
103 | |
104 | status = rtems_semaphore_create( |
105 | rtems_build_name( 'S', 'M', '1', ' '), |
106 | 0, |
107 | RTEMS_DEFAULT_ATTRIBUTES, |
108 | RTEMS_NO_PRIORITY, |
109 | &Semaphore_id |
110 | ); |
111 | directive_failed( status, "rtems_semaphore_create of SM1" ); |
112 | } |
113 | |
114 | rtems_task High_task( |
115 | rtems_task_argument argument |
116 | ) |
117 | { |
118 | rtems_status_code status; |
119 | |
120 | Timer_initialize(); /* start blocking rtems_semaphore_obtain time */ |
121 | status = rtems_semaphore_obtain( |
122 | Semaphore_id, |
123 | RTEMS_DEFAULT_OPTIONS, |
124 | RTEMS_NO_TIMEOUT |
125 | ); |
126 | } |
127 | |
128 | rtems_task Middle_tasks( |
129 | rtems_task_argument argument |
130 | ) |
131 | { |
132 | rtems_status_code status; |
133 | |
134 | status = rtems_semaphore_obtain( |
135 | Semaphore_id, |
136 | RTEMS_DEFAULT_OPTIONS, |
137 | RTEMS_NO_TIMEOUT |
138 | ); |
139 | } |
140 | |
141 | rtems_task Low_task( |
142 | rtems_task_argument argument |
143 | ) |
144 | { |
145 | end_time = Read_timer(); |
146 | |
147 | put_time( |
148 | "rtems_semaphore_obtain: not available -- caller blocks", |
149 | end_time, |
150 | OPERATION_COUNT, |
151 | 0, |
152 | CALLING_OVERHEAD_SEMAPHORE_OBTAIN |
153 | ); |
154 | |
155 | puts( "*** END OF TEST 2 ***" ); |
156 | rtems_test_exit( 0 ); |
157 | } |
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