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111
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1 -- C94001B.ADA
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2
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3 -- Grant of Unlimited Rights
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4 --
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5 -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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6 -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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7 -- unlimited rights in the software and documentation contained herein.
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8 -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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9 -- this public release, the Government intends to confer upon all
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10 -- recipients unlimited rights equal to those held by the Government.
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11 -- These rights include rights to use, duplicate, release or disclose the
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12 -- released technical data and computer software in whole or in part, in
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13 -- any manner and for any purpose whatsoever, and to have or permit others
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14 -- to do so.
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15 --
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16 -- DISCLAIMER
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17 --
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18 -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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19 -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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20 -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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21 -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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22 -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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23 -- PARTICULAR PURPOSE OF SAID MATERIAL.
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24 --*
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25 -- CHECK THAT A UNIT WITH DEPENDENT TASKS CREATED BY AN OBJECT
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26 -- DECLARATION OF LIMITED PRIVATE TYPE IS NOT TERMINATED UNTIL ALL
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27 -- DEPENDENT TASKS BECOME TERMINATED.
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28 -- SUBTESTS ARE:
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29 -- (A, B) A SIMPLE TASK OBJECT, IN A BLOCK.
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30 -- (C, D) AN ARRAY OF TASK OBJECT, IN A FUNCTION.
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31 -- (E, F) AN ARRAY OF RECORD OF TASK OBJECT, IN A TASK BODY.
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32
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33 -- THIS TEST CONTAINS SHARED VARIABLES AND RACE CONDITIONS.
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34
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35 -- TBN 8/22/86
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36 -- PWN 01/31/95 REMOVED PRAGMA PRIORITY FOR ADA 9X.
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37
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38 with Impdef;
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39 WITH REPORT; USE REPORT;
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40 WITH SYSTEM; USE SYSTEM;
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41 PROCEDURE C94001B IS
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42
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43 PACKAGE P IS
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44 MY_EXCEPTION : EXCEPTION;
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45 GLOBAL : INTEGER;
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46 TYPE TT IS LIMITED PRIVATE;
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47 PROCEDURE CALL_ENTRY (A : TT; B : INTEGER);
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48 PRIVATE
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49 TASK TYPE TT IS
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50 ENTRY E (I : INTEGER);
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51 END TT;
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52 END P;
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53
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54 PACKAGE BODY P IS
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55
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56 PROCEDURE CALL_ENTRY (A : TT; B : INTEGER) IS
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57 BEGIN
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58 A.E (B);
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59 END CALL_ENTRY;
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60
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61 TASK BODY TT IS
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62 LOCAL : INTEGER;
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63 BEGIN
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64 ACCEPT E (I : INTEGER) DO
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65 LOCAL := I;
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66 END E;
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67 DELAY 30.0 * Impdef.One_Second; -- SINCE THE PARENT UNIT HAS HIGHER
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68 -- PRIORITY AT THIS POINT, IT WILL
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69 -- RECEIVE CONTROL AND TERMINATE IF
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70 -- THE ERROR IS PRESENT.
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71 GLOBAL := LOCAL;
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72 END TT;
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73 END P;
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74
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75 USE P;
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76
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77
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78 BEGIN
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79 TEST ("C94001B", "CHECK THAT A UNIT WITH DEPENDENT TASKS " &
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80 "CREATED BY AN OBJECT DECLARATION OF LIMITED " &
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81 "PRIVATE TYPE IS NOT TERMINATED UNTIL ALL " &
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82 "DEPENDENT TASKS BECOME TERMINATED");
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83
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84 --------------------------------------------------
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85
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86 GLOBAL := IDENT_INT (0);
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87
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88 DECLARE -- (A)
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89
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90 T : TT;
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91
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92 BEGIN -- (A)
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93
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94 CALL_ENTRY (T, IDENT_INT(1));
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95
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96 END; -- (A)
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97
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98 IF GLOBAL /= 1 THEN
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99 FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
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100 "BLOCK EXIT - 1");
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101 END IF;
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102
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103 --------------------------------------------------
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104
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105 GLOBAL := IDENT_INT (0);
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106
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107 BEGIN -- (B)
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108 DECLARE
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109 T : TT;
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110 BEGIN
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111 CALL_ENTRY (T, IDENT_INT(2));
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112 RAISE MY_EXCEPTION;
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113 END;
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114
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115 FAILED ("MY_EXCEPTION WAS NOT RAISED - 2");
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116 EXCEPTION
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117 WHEN MY_EXCEPTION =>
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118 IF GLOBAL /= 2 THEN
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119 FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
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120 "BLOCK EXIT - 2");
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121 END IF;
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122 WHEN OTHERS =>
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123 FAILED ("UNEXPECTED EXCEPTION - 2");
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124 END; -- (B)
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125
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126 --------------------------------------------------
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127
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128 GLOBAL := IDENT_INT (0);
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129
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130 DECLARE -- (C)
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131
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132 I : INTEGER;
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133
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134 FUNCTION F RETURN INTEGER IS
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135 A : ARRAY (1..1) OF TT;
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136 BEGIN
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137 CALL_ENTRY (A(1), IDENT_INT(3));
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138 RETURN 0;
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139 END F;
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140
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141 BEGIN -- (C)
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142
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143 I := F;
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144
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145 IF GLOBAL /= 3 THEN
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146 FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
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147 "FUNCTION EXIT - 3");
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148 END IF;
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149
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150 END; -- (C)
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151
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152 --------------------------------------------------
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153
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154 GLOBAL := IDENT_INT (0);
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155
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156 DECLARE -- (D)
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157
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158 I : INTEGER;
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159
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160 FUNCTION F RETURN INTEGER IS
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161 A : ARRAY (1..1) OF TT;
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162 BEGIN
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163 CALL_ENTRY (A(1), IDENT_INT(4));
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164 IF EQUAL (3, 3) THEN
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165 RAISE MY_EXCEPTION;
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166 END IF;
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167 RETURN 0;
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168 END F;
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169
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170 BEGIN -- (D)
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171 I := F;
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172 FAILED ("MY_EXCEPTION WAS NOT RAISED - 4");
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173 EXCEPTION
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174 WHEN MY_EXCEPTION =>
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175 IF GLOBAL /= 4 THEN
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176 FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
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177 "FUNCTION EXIT - 4");
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178 END IF;
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179 WHEN OTHERS =>
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180 FAILED ("UNEXPECTED EXCEPTION - 4");
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181 END; -- (D)
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182
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183 --------------------------------------------------
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184
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185 GLOBAL := IDENT_INT (0);
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186
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187 DECLARE -- (E)
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188
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189 LOOP_COUNT : INTEGER := 0;
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190 CUT_OFF : CONSTANT := 60 * 60; -- ONE HOUR DELAY.
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191
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192 TASK TSK IS
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193 ENTRY ENT;
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194 END TSK;
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195
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196 TASK BODY TSK IS
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197 TYPE RT IS
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198 RECORD
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199 T : TT;
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200 END RECORD;
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201 AR : ARRAY (1..1) OF RT;
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202 BEGIN
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203 CALL_ENTRY (AR(1).T, IDENT_INT(5));
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204 END TSK;
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205
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206 BEGIN -- (E)
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207
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208 WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP
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209 DELAY 1.0 * Impdef.One_Second;
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210 LOOP_COUNT := LOOP_COUNT + 1;
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211 END LOOP;
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212
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213 IF LOOP_COUNT >= CUT_OFF THEN
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214 FAILED ("DEPENDENT TASK NOT TERMINATED WITHIN ONE " &
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215 "HOUR - 5");
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216 ELSIF GLOBAL /= 5 THEN
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217 FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
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218 "TASK EXIT - 5");
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219 END IF;
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220
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221 END; -- (E)
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222
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223 --------------------------------------------------
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224
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225 GLOBAL := IDENT_INT (0);
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226
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227 DECLARE -- (F)
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228
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229 LOOP_COUNT : INTEGER := 0;
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230 CUT_OFF : CONSTANT := 60 * 60; -- ONE HOUR DELAY.
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231
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232 TASK TSK IS
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233 ENTRY ENT;
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234 END TSK;
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235
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236 TASK BODY TSK IS
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237 TYPE RT IS
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238 RECORD
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239 T : TT;
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240 END RECORD;
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241 AR : ARRAY (1..1) OF RT;
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242 BEGIN
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243 CALL_ENTRY (AR(1).T, IDENT_INT(6));
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244 IF EQUAL (3, 3) THEN
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245 RAISE MY_EXCEPTION;
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246 END IF;
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247 FAILED ("EXCEPTION WAS NOT RAISED - 6");
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248 END TSK;
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249
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250 BEGIN -- (F)
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251
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252 WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP
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253 DELAY 1.0 * Impdef.One_Second;
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254 LOOP_COUNT := LOOP_COUNT + 1;
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255 END LOOP;
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256
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257 IF LOOP_COUNT >= CUT_OFF THEN
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258 FAILED ("DEPENDENT TASK NOT TERMINATED WITHIN ONE " &
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259 "HOUR - 6");
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260 ELSIF GLOBAL /= 6 THEN
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261 FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
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262 "TASK EXIT - 6");
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263 END IF;
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264
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265 END; -- (F)
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266
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267 RESULT;
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268 END C94001B;
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