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1 -- C97301D.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 DELAYS FOR AT LEAST THE SPECIFIED
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26 -- AMOUNT OF TIME IF A RENDEVOUS IS NOT POSSIBLE.
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27
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28 -- CASE D: THE BODY OF THE TASK CONTAINING THE CALLED ENTRY
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29 -- DOES NOT CONTAIN AN ACCEPT_STATEMENT FOR THAT ENTRY.
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30
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31 -- RJW 3/31/86
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32
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33 with Impdef;
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34 WITH REPORT; USE REPORT;
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35 WITH CALENDAR; USE CALENDAR;
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36 PROCEDURE C97301D IS
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37
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38 OR_BRANCH_TAKEN : BOOLEAN := FALSE;
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39
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40 BEGIN
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41
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42 TEST ("C97301D", "CHECK THAT A TIMED_ENTRY_CALL DELAYS FOR AT " &
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43 "LEAST THE SPECIFIED AMOUNT OF TIME WHEN THE " &
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44 "BODY OF THE TASK CONTAINING THE CALLED ENTRY " &
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45 "DOES NOT CONTAIN AN ACCEPT_STATEMENT FOR " &
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46 "THAT ENTRY" );
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47
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48 DECLARE
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49 START_TIME : TIME;
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50 WAIT_TIME : CONSTANT DURATION := 10.0 * Impdef.One_Second;
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51
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52 TASK T IS
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53 ENTRY DO_IT_NOW_OR_WAIT;
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54 ENTRY KEEP_ALIVE;
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55 END T;
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56
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57 TASK BODY T IS
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58 BEGIN
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59
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60 -- NO ACCEPT_STATEMENT FOR THE ENTRY_CALL BEING TESTED.
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61
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62 ACCEPT KEEP_ALIVE; -- TO PREVENT THIS SERVER TASK FROM
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63 -- TERMINATING IF
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64 -- UPON ACTIVATION
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65 -- IT GETS TO RUN
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66 -- AHEAD OF THE CALLER (WHICH
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67 -- WOULD LEAD TO A SUBSEQUENT
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68 -- TASKING_ERROR AT THE TIME
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69 -- OF THE NO-WAIT CALL).
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70
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71 END;
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72
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73 BEGIN
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74 START_TIME := CLOCK;
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75 SELECT
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76 T.DO_IT_NOW_OR_WAIT;
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77 OR
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78 -- THIS BRANCH MUST BE CHOSEN.
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79 DELAY WAIT_TIME;
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80 IF CLOCK >= (WAIT_TIME + START_TIME) THEN
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81 NULL;
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82 ELSE
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83 FAILED ( "INSUFFICIENT WAITING TIME" );
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84 END IF;
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85 OR_BRANCH_TAKEN := TRUE;
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86 COMMENT( "OR_BRANCH TAKEN" );
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87 END SELECT;
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88
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89 T.KEEP_ALIVE;
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90 EXCEPTION
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91 WHEN TASKING_ERROR =>
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92 FAILED ( "TASKING ERROR RAISED" );
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93
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94 END; -- END OF BLOCK CONTAINING THE ENTRY CALL.
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95
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96 -- BY NOW, THE TASK IS TERMINATED.
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97
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98 IF OR_BRANCH_TAKEN THEN
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99 NULL;
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100 ELSE
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101 FAILED( "RENDEZVOUS ATTEMPTED?" );
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102 END IF;
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103
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104 RESULT;
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105
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106 END C97301D;
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