[ac7d5ef0] | 1 | /* |
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| 2 | * |
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| 3 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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| 4 | * On-Line Applications Research Corporation (OAR). |
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| 5 | * All rights assigned to U.S. Government, 1994. |
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| 6 | * |
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| 7 | * This material may be reproduced by or for the U.S. Government pursuant |
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| 8 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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| 9 | * notice must appear in all copies of this file and its derivatives. |
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| 10 | * |
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[4b374f36] | 11 | * task1.c,v 1.2 1995/05/31 17:18:40 joel Exp |
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[ac7d5ef0] | 12 | */ |
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| 13 | |
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| 14 | #include "system.h" |
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| 15 | #undef EXTERN |
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| 16 | #define EXTERN |
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| 17 | #include "conftbl.h" |
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| 18 | #include "gvar.h" |
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| 19 | |
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| 20 | rtems_id Queue_id; |
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| 21 | |
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| 22 | long Buffer[4]; |
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| 23 | |
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| 24 | rtems_task Low_task( |
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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 High_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 | rtems_task Preempt_task( |
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| 33 | rtems_task_argument argument |
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| 34 | ); |
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| 35 | |
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| 36 | rtems_task Init( |
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| 37 | rtems_task_argument argument |
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| 38 | ) |
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| 39 | { |
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| 40 | rtems_id id; |
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| 41 | rtems_status_code status; |
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| 42 | |
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| 43 | puts( "\n\n*** TIME TEST 22 ***" ); |
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| 44 | |
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| 45 | status = rtems_message_queue_create( |
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| 46 | rtems_build_name( 'M', 'Q', '1', ' '), |
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[4b374f36] | 47 | 100, |
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| 48 | 16, |
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[ac7d5ef0] | 49 | RTEMS_DEFAULT_ATTRIBUTES, |
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| 50 | &Queue_id |
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| 51 | ); |
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| 52 | directive_failed( status, "rtems_message_queue_create" ); |
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| 53 | |
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| 54 | status = rtems_task_create( |
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| 55 | rtems_build_name( 'L', 'O', 'W', ' ' ), |
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| 56 | 10, |
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| 57 | 2048, |
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| 58 | RTEMS_NO_PREEMPT, |
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| 59 | RTEMS_DEFAULT_ATTRIBUTES, |
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| 60 | &id |
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| 61 | ); |
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| 62 | directive_failed( status, "rtems_task_create" ); |
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| 63 | |
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| 64 | status = rtems_task_start( id, Low_task, 0 ); |
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| 65 | directive_failed( status, "rtems_task_start LOW" ); |
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| 66 | |
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| 67 | status = rtems_task_create( |
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| 68 | 1, |
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| 69 | 11, |
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| 70 | 1024, |
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| 71 | RTEMS_DEFAULT_MODES, |
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| 72 | RTEMS_DEFAULT_ATTRIBUTES, |
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| 73 | &id |
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| 74 | ); |
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| 75 | directive_failed( status, "rtems_task_create RTEMS_PREEMPT" ); |
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| 76 | |
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| 77 | status = rtems_task_start( id, Preempt_task, 0 ); |
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| 78 | directive_failed( status, "rtems_task_start RTEMS_PREEMPT" ); |
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| 79 | |
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| 80 | status = rtems_task_delete( RTEMS_SELF ); |
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| 81 | directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); |
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| 82 | } |
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| 83 | |
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| 84 | rtems_task High_task( |
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| 85 | rtems_task_argument argument |
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| 86 | ) |
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| 87 | { |
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| 88 | rtems_unsigned32 count; |
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| 89 | rtems_status_code status; |
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| 90 | |
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| 91 | Timer_initialize(); |
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| 92 | (void) rtems_message_queue_broadcast( |
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| 93 | Queue_id, |
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| 94 | (long (*)[4]) Buffer, |
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[4b374f36] | 95 | 16, |
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[ac7d5ef0] | 96 | &count |
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| 97 | ); |
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| 98 | end_time = Read_timer(); |
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| 99 | |
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| 100 | put_time( |
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| 101 | "rtems_message_queue_broadcast (readying)", |
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| 102 | end_time, |
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| 103 | 1, |
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| 104 | 0, |
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| 105 | CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST |
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| 106 | ); |
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| 107 | |
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| 108 | status = rtems_task_suspend(RTEMS_SELF); |
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| 109 | directive_failed( status, "rtems_task_suspend" ); |
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| 110 | } |
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| 111 | |
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| 112 | rtems_task Low_task( |
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| 113 | rtems_task_argument argument |
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| 114 | ) |
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| 115 | { |
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| 116 | rtems_id id; |
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| 117 | rtems_unsigned32 index; |
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| 118 | rtems_unsigned32 count; |
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[4b374f36] | 119 | rtems_unsigned32 size; |
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[ac7d5ef0] | 120 | rtems_status_code status; |
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| 121 | |
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| 122 | status = rtems_task_create( |
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| 123 | rtems_build_name( 'H', 'I', 'G', 'H' ), |
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| 124 | 5, |
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| 125 | 2048, |
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| 126 | RTEMS_NO_PREEMPT, |
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| 127 | RTEMS_DEFAULT_ATTRIBUTES, |
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| 128 | &id |
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| 129 | ); |
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| 130 | directive_failed( status, "rtems_task_create" ); |
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| 131 | |
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| 132 | status = rtems_task_start( id, High_task, 0 ); |
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| 133 | directive_failed( status, "rtems_task_start HIGH" ); |
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| 134 | |
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| 135 | status = rtems_message_queue_receive( |
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| 136 | Queue_id, |
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| 137 | (long (*)[4]) Buffer, |
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[4b374f36] | 138 | &size, |
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[ac7d5ef0] | 139 | RTEMS_DEFAULT_OPTIONS, |
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| 140 | RTEMS_NO_TIMEOUT |
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| 141 | ); |
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| 142 | directive_failed( status, "message_queu_receive" ); |
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| 143 | |
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| 144 | Timer_initialize(); |
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| 145 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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| 146 | (void) rtems_message_queue_broadcast( |
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| 147 | Queue_id, |
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| 148 | (long (*)[4]) Buffer, |
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[4b374f36] | 149 | 16, |
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[ac7d5ef0] | 150 | &count |
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| 151 | ); |
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| 152 | end_time = Read_timer(); |
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| 153 | |
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| 154 | put_time( |
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| 155 | "rtems_message_queue_broadcast (no waiting tasks)", |
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| 156 | end_time, |
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| 157 | OPERATION_COUNT, |
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| 158 | 1, |
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| 159 | CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST |
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| 160 | ); |
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| 161 | |
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| 162 | (void) rtems_message_queue_receive( |
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| 163 | Queue_id, |
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| 164 | (long (*)[4]) Buffer, |
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[4b374f36] | 165 | &size, |
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[ac7d5ef0] | 166 | RTEMS_DEFAULT_OPTIONS, |
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| 167 | RTEMS_NO_TIMEOUT |
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| 168 | ); |
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| 169 | |
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| 170 | /* should go to Preempt_task here */ |
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| 171 | |
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| 172 | end_time = Read_timer(); |
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| 173 | |
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| 174 | put_time( |
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| 175 | "rtems_message_queue_broadcast (preempt)", |
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| 176 | end_time, |
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| 177 | 1, |
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| 178 | 0, |
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| 179 | CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST |
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| 180 | ); |
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| 181 | |
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| 182 | exit( 0 ); |
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| 183 | } |
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| 184 | |
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| 185 | rtems_task Preempt_task( |
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| 186 | rtems_task_argument argument |
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| 187 | ) |
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| 188 | { |
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| 189 | rtems_unsigned32 count; |
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| 190 | |
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| 191 | Timer_initialize(); |
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| 192 | (void) rtems_message_queue_broadcast( |
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| 193 | Queue_id, |
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| 194 | (long (*)[4]) Buffer, |
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[4b374f36] | 195 | 16, |
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[ac7d5ef0] | 196 | &count |
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| 197 | ); |
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| 198 | |
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| 199 | /* should be preempted by low task */ |
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| 200 | } |
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