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 16 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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13 | -- COPYRIGHT (c) 1989-2011. |
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14 | -- On-Line Applications Research Corporation (OAR). |
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15 | -- |
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16 | -- The license and distribution terms for this file may in |
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17 | -- the file LICENSE in this distribution or at |
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18 | -- http://www.rtems.org/license/LICENSE. |
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19 | -- |
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20 | |
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21 | with INTERFACES; use INTERFACES; |
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22 | with RTEMS_CALLING_OVERHEAD; |
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23 | with TEST_SUPPORT; |
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24 | with TEXT_IO; |
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25 | with TIMER_DRIVER; |
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26 | with RTEMS.EVENT; |
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27 | |
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28 | package body TMTEST is |
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29 | |
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30 | -- |
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31 | -- INIT |
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32 | -- |
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33 | |
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34 | procedure INIT ( |
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35 | ARGUMENT : in RTEMS.TASKS.ARGUMENT |
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36 | ) is |
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37 | pragma Unreferenced(ARGUMENT); |
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38 | ID : RTEMS.ID; |
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39 | STATUS : RTEMS.STATUS_CODES; |
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40 | begin |
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41 | |
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42 | TEXT_IO.NEW_LINE( 2 ); |
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43 | TEXT_IO.PUT_LINE( "*** TIME TEST 16 ***" ); |
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44 | |
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45 | RTEMS.TASKS.CREATE( |
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46 | RTEMS.BUILD_NAME( 'T', 'E', 'S', 'T' ), |
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47 | 251, |
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48 | 2048, |
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49 | RTEMS.DEFAULT_MODES, |
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50 | RTEMS.DEFAULT_ATTRIBUTES, |
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51 | ID, |
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52 | STATUS |
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53 | ); |
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54 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE OF TEST INIT" ); |
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55 | |
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56 | RTEMS.TASKS.START( |
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57 | ID, |
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58 | TMTEST.TEST_INIT'ACCESS, |
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59 | 0, |
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60 | STATUS |
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61 | ); |
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62 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START OF TEST INIT" ); |
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63 | |
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64 | RTEMS.TASKS.DELETE( RTEMS.SELF, STATUS ); |
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65 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" ); |
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66 | |
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67 | end INIT; |
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68 | |
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69 | -- |
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70 | -- TEST_INIT |
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71 | -- |
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72 | |
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73 | procedure TEST_INIT ( |
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74 | ARGUMENT : in RTEMS.TASKS.ARGUMENT |
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75 | ) is |
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76 | pragma Unreferenced(ARGUMENT); |
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77 | PRIORITY : RTEMS.TASKS.PRIORITY; |
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78 | TASK_ENTRY : RTEMS.TASKS.ENTRY_POINT; |
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79 | STATUS : RTEMS.STATUS_CODES; |
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80 | begin |
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81 | |
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82 | PRIORITY := 250; |
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83 | |
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84 | for INDEX in 0 .. TIME_TEST_SUPPORT.OPERATION_COUNT |
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85 | loop |
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86 | |
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87 | RTEMS.TASKS.CREATE( |
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88 | RTEMS.BUILD_NAME( 'M', 'I', 'D', ' ' ), |
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89 | PRIORITY, |
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90 | 1024, |
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91 | RTEMS.DEFAULT_MODES, |
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92 | RTEMS.DEFAULT_ATTRIBUTES, |
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93 | TMTEST.TASK_ID( INDEX ), |
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94 | STATUS |
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95 | ); |
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96 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE LOOP" ); |
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97 | |
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98 | if INDEX = TIME_TEST_SUPPORT.OPERATION_COUNT then |
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99 | TASK_ENTRY := TMTEST.HIGH_TASK'ACCESS; |
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100 | else |
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101 | TASK_ENTRY := TMTEST.MIDDLE_TASKS'ACCESS; |
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102 | end if; |
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103 | |
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104 | RTEMS.TASKS.START( |
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105 | TMTEST.TASK_ID( INDEX ), |
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106 | TASK_ENTRY, |
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107 | 0, |
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108 | STATUS |
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109 | ); |
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110 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START LOOP" ); |
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111 | |
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112 | PRIORITY := PRIORITY - 1; |
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113 | |
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114 | end loop; |
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115 | |
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116 | TMTEST.TASK_COUNT := 0; |
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117 | |
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118 | TIMER_DRIVER.INITIALIZE; -- starts the timer |
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119 | |
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120 | RTEMS.EVENT.SEND( -- preempts task |
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121 | TMTEST.TASK_ID( TMTEST.TASK_COUNT ), |
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122 | RTEMS.EVENT_16, |
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123 | STATUS |
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124 | ); |
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125 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "EVENT_SEND" ); |
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126 | |
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127 | end TEST_INIT; |
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128 | |
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129 | -- |
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130 | -- MIDDLE_TASKS |
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131 | -- |
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132 | |
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133 | procedure MIDDLE_TASKS ( |
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134 | ARGUMENT : in RTEMS.TASKS.ARGUMENT |
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135 | ) is |
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136 | pragma Unreferenced(ARGUMENT); |
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137 | EVENT_OUT : RTEMS.EVENT_SET; |
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138 | STATUS : RTEMS.STATUS_CODES; |
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139 | begin |
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140 | |
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141 | RTEMS.EVENT.RECEIVE( -- task blocks |
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142 | RTEMS.EVENT_16, |
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143 | RTEMS.DEFAULT_OPTIONS, |
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144 | RTEMS.NO_TIMEOUT, |
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145 | EVENT_OUT, |
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146 | STATUS |
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147 | ); |
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148 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "EVENT_RECEIVE" ); |
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149 | |
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150 | TMTEST.TASK_COUNT := TMTEST.TASK_COUNT + 1; |
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151 | |
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152 | RTEMS.EVENT.SEND( -- preempts task |
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153 | TMTEST.TASK_ID( TMTEST.TASK_COUNT ), |
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154 | RTEMS.EVENT_16, |
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155 | STATUS |
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156 | ); |
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157 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "EVENT_SEND" ); |
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158 | |
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159 | end MIDDLE_TASKS; |
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160 | |
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161 | -- |
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162 | -- HIGH_TASK |
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163 | -- |
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164 | |
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165 | procedure HIGH_TASK ( |
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166 | ARGUMENT : in RTEMS.TASKS.ARGUMENT |
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167 | ) is |
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168 | pragma Unreferenced(ARGUMENT); |
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169 | EVENT_OUT : RTEMS.EVENT_SET; |
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170 | STATUS : RTEMS.STATUS_CODES; |
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171 | begin |
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172 | |
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173 | RTEMS.EVENT.RECEIVE( -- task blocks |
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174 | RTEMS.EVENT_16, |
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175 | RTEMS.DEFAULT_OPTIONS, |
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176 | RTEMS.NO_TIMEOUT, |
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177 | EVENT_OUT, |
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178 | STATUS |
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179 | ); |
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180 | |
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181 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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182 | |
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183 | TIME_TEST_SUPPORT.PUT_TIME( |
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184 | "EVENT_SEND (preemptive)", |
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185 | TMTEST.END_TIME, |
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186 | TIME_TEST_SUPPORT.OPERATION_COUNT, |
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187 | 0, |
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188 | RTEMS_CALLING_OVERHEAD.EVENT_SEND |
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189 | ); |
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190 | |
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191 | TEXT_IO.PUT_LINE( "*** END OF TIME TEST 16 ***" ); |
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192 | RTEMS.SHUTDOWN_EXECUTIVE( 0 ); |
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193 | |
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194 | end HIGH_TASK; |
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195 | |
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196 | end TMTEST; |
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