[6d4e604b] | 1 | -- |
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| 2 | -- TMTEST / BODY |
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| 3 | -- |
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| 4 | -- DESCRIPTION: |
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| 5 | -- |
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| 6 | -- This package is the implementation of Test 5 of the RTEMS |
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| 7 | -- Timing Test Suite. |
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| 8 | -- |
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| 9 | -- DEPENDENCIES: |
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| 10 | -- |
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| 11 | -- |
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| 12 | -- |
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[bf9ae83] | 13 | -- COPYRIGHT (c) 1989-1997. |
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[6d4e604b] | 14 | -- On-Line Applications Research Corporation (OAR). |
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[bf9ae83] | 15 | -- Copyright assigned to U.S. Government, 1994. |
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[6d4e604b] | 16 | -- |
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[bf9ae83] | 17 | -- The license and distribution terms for this file may in |
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| 18 | -- the file LICENSE in this distribution or at |
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| 19 | -- http://www.OARcorp.com/rtems/license.html. |
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[6d4e604b] | 20 | -- |
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[bf9ae83] | 21 | -- $Id$ |
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[6d4e604b] | 22 | -- |
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| 23 | |
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| 24 | with INTERFACES; use INTERFACES; |
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| 25 | with RTEMS; |
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| 26 | with RTEMS_CALLING_OVERHEAD; |
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| 27 | with TEST_SUPPORT; |
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| 28 | with TEXT_IO; |
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| 29 | with TIME_TEST_SUPPORT; |
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| 30 | with UNSIGNED32_IO; |
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| 31 | |
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| 32 | package body TMTEST is |
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| 33 | |
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| 34 | --PAGE |
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| 35 | -- |
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| 36 | -- INIT |
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| 37 | -- |
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| 38 | |
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| 39 | procedure INIT ( |
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| 40 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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| 41 | ) is |
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| 42 | TASK_ID : RTEMS.ID; |
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| 43 | STATUS : RTEMS.STATUS_CODES; |
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| 44 | begin |
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| 45 | |
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| 46 | TEXT_IO.NEW_LINE( 2 ); |
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| 47 | TEXT_IO.PUT_LINE( "*** TIME TEST 5 ***" ); |
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| 48 | |
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| 49 | TMTEST.TEST_INIT; |
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| 50 | |
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| 51 | RTEMS.TASK_DELETE( RTEMS.SELF, STATUS ); |
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| 52 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" ); |
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| 53 | |
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| 54 | end INIT; |
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| 55 | |
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| 56 | --PAGE |
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| 57 | -- |
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| 58 | -- TEST_INIT |
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| 59 | -- |
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| 60 | |
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| 61 | procedure TEST_INIT |
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| 62 | is |
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| 63 | INDEX : RTEMS.UNSIGNED32; |
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| 64 | TASK_ENTRY : RTEMS.TASK_ENTRY_POINT; |
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| 65 | PRIORITY : RTEMS.TASK_PRIORITY; |
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| 66 | STATUS : RTEMS.STATUS_CODES; |
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| 67 | begin |
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| 68 | |
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| 69 | PRIORITY := 250; |
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| 70 | |
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| 71 | for INDEX in 0 .. TIME_TEST_SUPPORT.OPERATION_COUNT |
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| 72 | loop |
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| 73 | |
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| 74 | RTEMS.TASK_CREATE( |
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| 75 | RTEMS.BUILD_NAME( 'T', 'I', 'M', 'E' ), |
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| 76 | PRIORITY, |
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| 77 | 1024, |
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| 78 | RTEMS.DEFAULT_MODES, |
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| 79 | RTEMS.DEFAULT_ATTRIBUTES, |
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| 80 | TMTEST.TASK_ID( INDEX ), |
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| 81 | STATUS |
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| 82 | ); |
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| 83 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE LOOP" ); |
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| 84 | |
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| 85 | PRIORITY := PRIORITY - 1; |
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| 86 | |
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| 87 | if INDEX = 0 then |
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| 88 | TASK_ENTRY := TMTEST.LOW_TASK'ACCESS; |
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| 89 | elsif INDEX = TIME_TEST_SUPPORT.OPERATION_COUNT then |
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| 90 | TASK_ENTRY := TMTEST.HIGH_TASK'ACCESS; |
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| 91 | else |
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| 92 | TASK_ENTRY := TMTEST.MIDDLE_TASKS'ACCESS; |
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| 93 | end if; |
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| 94 | |
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| 95 | RTEMS.TASK_START( TMTEST.TASK_ID( INDEX ), TASK_ENTRY, 0, STATUS ); |
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| 96 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START LOOP" ); |
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| 97 | |
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| 98 | end loop; |
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| 99 | |
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| 100 | end TEST_INIT; |
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| 101 | |
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| 102 | --PAGE |
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| 103 | -- |
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| 104 | -- HIGH_TASK |
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| 105 | -- |
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| 106 | |
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| 107 | procedure HIGH_TASK ( |
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| 108 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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| 109 | ) is |
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| 110 | STATUS : RTEMS.STATUS_CODES; |
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| 111 | begin |
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| 112 | |
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| 113 | TIMER_DRIVER.INITIALIZE; |
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| 114 | RTEMS.TASK_SUSPEND( RTEMS.SELF, STATUS ); |
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| 115 | |
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| 116 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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| 117 | TIME_TEST_SUPPORT.PUT_TIME( |
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| 118 | "TASK_RESUME causing preempt", |
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| 119 | TMTEST.END_TIME, |
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| 120 | TIME_TEST_SUPPORT.OPERATION_COUNT, |
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| 121 | 0, |
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| 122 | RTEMS_CALLING_OVERHEAD.TASK_RESUME |
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| 123 | ); |
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| 124 | |
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| 125 | RTEMS.SHUTDOWN_EXECUTIVE( 0 ); |
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| 126 | |
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| 127 | end HIGH_TASK; |
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| 128 | |
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| 129 | --PAGE |
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| 130 | -- |
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| 131 | -- MIDDLE_TASKS |
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| 132 | -- |
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| 133 | |
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| 134 | procedure MIDDLE_TASKS ( |
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| 135 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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| 136 | ) is |
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| 137 | STATUS : RTEMS.STATUS_CODES; |
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| 138 | begin |
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| 139 | |
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| 140 | RTEMS.TASK_SUSPEND( RTEMS.SELF, STATUS ); |
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| 141 | |
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| 142 | TMTEST.TASK_INDEX := TMTEST.TASK_INDEX + 1; |
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| 143 | RTEMS.TASK_RESUME( TMTEST.TASK_ID( TMTEST.TASK_INDEX ), STATUS ); |
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| 144 | |
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| 145 | end MIDDLE_TASKS; |
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| 146 | |
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| 147 | --PAGE |
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| 148 | -- |
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| 149 | -- LOW_TASK |
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| 150 | -- |
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| 151 | |
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| 152 | procedure LOW_TASK ( |
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| 153 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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| 154 | ) is |
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| 155 | ID : RTEMS.ID; |
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| 156 | STATUS : RTEMS.STATUS_CODES; |
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| 157 | begin |
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| 158 | |
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| 159 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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| 160 | TIME_TEST_SUPPORT.PUT_TIME( |
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| 161 | "TASK_SUSPEND self", |
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| 162 | TMTEST.END_TIME, |
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| 163 | TIME_TEST_SUPPORT.OPERATION_COUNT, |
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| 164 | 0, |
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| 165 | RTEMS_CALLING_OVERHEAD.TASK_SUSPEND |
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| 166 | ); |
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| 167 | |
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| 168 | TMTEST.TASK_INDEX := 1; |
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| 169 | TIMER_DRIVER.INITIALIZE; |
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| 170 | RTEMS.TASK_RESUME( TMTEST.TASK_ID( TMTEST.TASK_INDEX ), STATUS ); |
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| 171 | |
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| 172 | end LOW_TASK; |
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| 173 | |
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| 174 | end TMTEST; |
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