[ac7d5ef0] | 1 | /* |
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| 2 | * |
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[08311cc3] | 3 | * COPYRIGHT (c) 1989-1999. |
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[ac7d5ef0] | 4 | * On-Line Applications Research Corporation (OAR). |
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| 5 | * |
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[98e4ebf5] | 6 | * The license and distribution terms for this file may be |
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| 7 | * found in the file LICENSE in this distribution or at |
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[95a81ab] | 8 | * http://www.rtems.com/license/LICENSE. |
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[ac7d5ef0] | 9 | * |
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| 10 | * $Id$ |
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| 11 | */ |
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| 12 | |
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[3a4ae6c] | 13 | #define TEST_INIT |
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[ac7d5ef0] | 14 | #include "system.h" |
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| 15 | |
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| 16 | rtems_id High_id; |
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| 17 | rtems_id Low_id; |
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| 18 | rtems_id Semaphore_id; |
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| 19 | |
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| 20 | rtems_task High_task( |
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| 21 | rtems_task_argument argument |
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| 22 | ); |
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| 23 | |
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| 24 | rtems_task Middle_tasks( |
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| 25 | rtems_task_argument argument |
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| 26 | ); |
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| 27 | |
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| 28 | rtems_task Low_task( |
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| 29 | rtems_task_argument argument |
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| 30 | ); |
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| 31 | |
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| 32 | |
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| 33 | void test_init(); |
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| 34 | |
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| 35 | rtems_task Init( |
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| 36 | rtems_task_argument argument |
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| 37 | ) |
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| 38 | { |
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| 39 | rtems_status_code status; |
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| 40 | |
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[3a4ae6c] | 41 | Print_Warning(); |
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| 42 | |
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[ac7d5ef0] | 43 | puts( "\n\n*** TIME TEST 2 ***" ); |
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| 44 | |
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| 45 | test_init(); |
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| 46 | |
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| 47 | status = rtems_task_delete( RTEMS_SELF ); |
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| 48 | directive_failed( status, "rtems_task_delete" ); |
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| 49 | } |
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| 50 | |
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| 51 | void test_init() |
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| 52 | { |
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| 53 | rtems_status_code status; |
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[0720ff4] | 54 | uint32_t index; |
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[ac7d5ef0] | 55 | rtems_task_priority priority; |
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| 56 | |
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| 57 | priority = 5; |
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| 58 | |
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| 59 | status = rtems_task_create( |
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| 60 | rtems_build_name( 'H', 'I', 'G', 'H' ), |
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| 61 | priority, |
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[3652ad35] | 62 | RTEMS_MINIMUM_STACK_SIZE, |
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[ac7d5ef0] | 63 | RTEMS_DEFAULT_MODES, |
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| 64 | RTEMS_DEFAULT_ATTRIBUTES, |
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| 65 | &High_id |
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| 66 | ); |
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| 67 | directive_failed( status, "rtems_task_create of high task" ); |
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| 68 | |
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| 69 | priority++; |
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| 70 | |
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| 71 | status = rtems_task_start( High_id, High_task, 0 ); |
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| 72 | directive_failed( status, "rtems_task_start of high task" ); |
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| 73 | |
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| 74 | for ( index=2 ; index <= OPERATION_COUNT ; index++ ) { |
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| 75 | status = rtems_task_create( |
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| 76 | rtems_build_name( 'M', 'I', 'D', ' ' ), |
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| 77 | priority, |
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[3652ad35] | 78 | RTEMS_MINIMUM_STACK_SIZE, |
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[ac7d5ef0] | 79 | RTEMS_DEFAULT_MODES, |
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| 80 | RTEMS_DEFAULT_ATTRIBUTES, |
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| 81 | &Low_id |
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| 82 | ); |
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| 83 | directive_failed( status, "rtems_task_create middle" ); |
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| 84 | |
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| 85 | priority++; |
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| 86 | |
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| 87 | status = rtems_task_start( Low_id, Middle_tasks, 0 ); |
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| 88 | directive_failed( status, "rtems_task_start middle" ); |
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| 89 | } |
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| 90 | |
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| 91 | status = rtems_task_create( |
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| 92 | rtems_build_name( 'L', 'O', 'W', ' ' ), |
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| 93 | priority, |
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[3652ad35] | 94 | RTEMS_MINIMUM_STACK_SIZE, |
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[ac7d5ef0] | 95 | RTEMS_DEFAULT_MODES, |
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| 96 | RTEMS_DEFAULT_ATTRIBUTES, |
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| 97 | &Low_id |
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| 98 | ); |
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| 99 | directive_failed( status, "rtems_task_create low" ); |
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| 100 | |
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| 101 | status = rtems_task_start( Low_id, Low_task, 0 ); |
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| 102 | directive_failed( status, "rtems_task_start low" ); |
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| 103 | |
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| 104 | status = rtems_semaphore_create( |
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| 105 | rtems_build_name( 'S', 'M', '1', ' '), |
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| 106 | 0, |
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| 107 | RTEMS_DEFAULT_ATTRIBUTES, |
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[7f6a24ab] | 108 | RTEMS_NO_PRIORITY, |
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[ac7d5ef0] | 109 | &Semaphore_id |
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| 110 | ); |
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| 111 | directive_failed( status, "rtems_semaphore_create of SM1" ); |
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| 112 | } |
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| 113 | |
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| 114 | rtems_task High_task( |
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| 115 | rtems_task_argument argument |
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| 116 | ) |
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| 117 | { |
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| 118 | rtems_status_code status; |
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| 119 | |
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| 120 | Timer_initialize(); /* start blocking rtems_semaphore_obtain time */ |
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| 121 | status = rtems_semaphore_obtain( |
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| 122 | Semaphore_id, |
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| 123 | RTEMS_DEFAULT_OPTIONS, |
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| 124 | RTEMS_NO_TIMEOUT |
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| 125 | ); |
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| 126 | } |
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| 127 | |
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| 128 | rtems_task Middle_tasks( |
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| 129 | rtems_task_argument argument |
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| 130 | ) |
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| 131 | { |
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| 132 | rtems_status_code status; |
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| 133 | |
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| 134 | status = rtems_semaphore_obtain( |
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| 135 | Semaphore_id, |
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| 136 | RTEMS_DEFAULT_OPTIONS, |
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| 137 | RTEMS_NO_TIMEOUT |
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| 138 | ); |
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| 139 | } |
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| 140 | |
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| 141 | rtems_task Low_task( |
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| 142 | rtems_task_argument argument |
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| 143 | ) |
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| 144 | { |
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| 145 | end_time = Read_timer(); |
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| 146 | |
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| 147 | put_time( |
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[5c491aef] | 148 | "rtems_semaphore_obtain: not available -- caller blocks", |
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[ac7d5ef0] | 149 | end_time, |
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| 150 | OPERATION_COUNT, |
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| 151 | 0, |
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| 152 | CALLING_OVERHEAD_SEMAPHORE_OBTAIN |
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| 153 | ); |
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[3a4ae6c] | 154 | |
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| 155 | puts( "*** END OF TEST 2 ***" ); |
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[b454bc9] | 156 | rtems_test_exit( 0 ); |
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[ac7d5ef0] | 157 | } |
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