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1 -- C97303B.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 TIMED_ENTRY_CALL CAN APPEAR IN PLACES WHERE A
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26 -- SELECTIVE_WAIT CANNOT.
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27
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28 -- PART 2: PROCEDURE BODY EMBEDDED IN TASK BODY.
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29
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30
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31 -- RM 4/12/1982
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32
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33 with Impdef;
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34 WITH REPORT;
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35 USE REPORT;
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36 PROCEDURE C97303B IS
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37
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38
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39 BEGIN
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40
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41
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42 TEST ( "C97303B" , "CHECK THAT A TIMED_ENTRY_CALL CAN" &
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43 " APPEAR WHERE A SELECTIVE_WAIT CANNOT" );
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44
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45
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46 -------------------------------------------------------------------
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47
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48
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49 DECLARE
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50
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51
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52 TASK TT IS
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53 ENTRY A ( AUTHORIZED : IN BOOLEAN );
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54 END TT ;
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55
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56
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57 TASK BODY TT IS
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58
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59
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60 PROCEDURE WITHIN_TASK_BODY ;
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61
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62
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63 PROCEDURE WITHIN_TASK_BODY IS
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64 BEGIN
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65
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66 SELECT -- NOT A SELECTIVE_WAIT
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67 A ( FALSE ) ; -- CALLING (OWN) ENTRY
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68 OR
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69 DELAY 1.0 * Impdef.One_Second;
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70 COMMENT( "ALTERNATIVE BRANCH TAKEN" );
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71 END SELECT;
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72
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73 END WITHIN_TASK_BODY ;
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74
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75
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76 BEGIN
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77
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78
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79 -- CALL THE INNER PROC. TO FORCE EXEC. OF TIMED_E_CALL
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80 WITHIN_TASK_BODY ;
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81
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82
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83 ACCEPT A ( AUTHORIZED : IN BOOLEAN ) DO
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84
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85 IF AUTHORIZED THEN
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86 COMMENT( "AUTHORIZED ENTRY_CALL" );
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87 ELSE
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88 FAILED( "UNAUTHORIZED ENTRY_CALL" );
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89 END IF;
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90
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91 END A ;
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92
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93 END TT ;
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94
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95
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96 PROCEDURE OUTSIDE_TASK_BODY IS
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97 BEGIN
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98
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99 SELECT -- NOT A SELECTIVE_WAIT
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100 TT.A ( FALSE ) ; -- UNBORN
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101 OR
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102 DELAY 1.0 * Impdef.One_Second;
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103 COMMENT( "(OUT:) ALTERNATIVE BRANCH TAKEN" );
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104 END SELECT;
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105
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106 END OUTSIDE_TASK_BODY ;
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107
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108
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109 PACKAGE CREATE_OPPORTUNITY_TO_CALL IS END;
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110 PACKAGE BODY CREATE_OPPORTUNITY_TO_CALL IS
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111 BEGIN
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112 -- CALL THE OTHER PROC. TO FORCE EXEC. OF TIMED_E_CALL
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113 OUTSIDE_TASK_BODY ;
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114 END CREATE_OPPORTUNITY_TO_CALL ;
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115
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116
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117 BEGIN
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118
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119 TT.A ( TRUE );
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120
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121 EXCEPTION
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122
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123 WHEN TASKING_ERROR =>
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124 FAILED( "TASKING ERROR" );
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125
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126 END ;
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127
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128 -------------------------------------------------------------------
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129
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130 RESULT ;
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131
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132
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133 END C97303B ;
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