gcc/testsuite/ada/acats/tests/c9/c97301b.ada

   1 -- C97301B.ADA
   2
   3 --                             Grant of Unlimited Rights
   4 --
   5 --     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
   6 --     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
   7 --     unlimited rights in the software and documentation contained herein.
   8 --     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
   9 --     this public release, the Government intends to confer upon all
  10 --     recipients unlimited rights  equal to those held by the Government.
  11 --     These rights include rights to use, duplicate, release or disclose the
  12 --     released technical data and computer software in whole or in part, in
  13 --     any manner and for any purpose whatsoever, and to have or permit others
  14 --     to do so.
  15 --
  16 --                                    DISCLAIMER
  17 --
  18 --     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
  19 --     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
  20 --     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
  21 --     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
  22 --     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
  23 --     PARTICULAR PURPOSE OF SAID MATERIAL.
  24 --*
  25 -- OBJECTIVE:
  26 --     CHECK THAT A TIMED_ENTRY_CALL DELAYS FOR AT LEAST THE SPECIFIED
  27 --     AMOUNT OF TIME IF A RENDEZVOUS IS NOT POSSIBLE.
  28
  29 --     CASE  B:  THE QUEUE FOR THE CALLED ENTRY ALREADY CONTAINS
  30 --           ANOTHER  TASK WHOSE RENDEZVOUS CANNOT BE COMPLETED WITHIN
  31 --           THE SPECIFIED DELAY.
  32
  33 --HISTORY:
  34 --     RJW 03/31/86 CREATED ORIGINAL TEST.
  35 --     DHH 10/20/87 SHORTENED LINES CONTAINING MORE THAN 72 CHARACTERS.
  36
  37 with Impdef;
  38 WITH REPORT; USE REPORT;
  39 WITH CALENDAR; USE CALENDAR;
  40 PROCEDURE C97301B IS
  41
  42      OR_BRANCH_TAKEN : BOOLEAN := FALSE;
  43
  44 BEGIN
  45
  46      TEST ("C97301B", "CHECK THAT A TIMED_ENTRY_CALL DELAYS FOR AT " &
  47                       "LEAST THE SPECIFIED AMOUNT OF TIME WHEN THE " &
  48                       "QUEUE FOR THE CALLED ENTRY ALREADY CONTAINS " &
  49                       "ANOTHER TASK WHOSE RENDEZVOUS CANNOT BE " &
  50                       "COMPLETED WITHIN THE SPECIFIED DELAY" );
  51
  52
  53      DECLARE
  54           WAIT_TIME  : DURATION :=  3.0 * Impdef.One_Second;
  55
  56           TASK T1;
  57
  58           TASK T2 IS
  59                ENTRY AWAKEN_T2;
  60           END T2;
  61
  62           TASK T3 IS
  63                ENTRY AWAKEN_T3;
  64                ENTRY RELEASE_T;
  65           END T3;
  66
  67           TASK  T  IS
  68                ENTRY  DO_IT_NOW_OR_WAIT (X : INTEGER);
  69           END  T;
  70
  71           TASK BODY  T  IS
  72           BEGIN
  73                ACCEPT DO_IT_NOW_OR_WAIT (X : INTEGER) DO
  74                     IF X = 1 THEN
  75                          T2.AWAKEN_T2;
  76                          WHILE DO_IT_NOW_OR_WAIT'COUNT = 0 LOOP
  77                               DELAY 1.0 * Impdef.One_Second;
  78                          END LOOP;
  79                          T3.AWAKEN_T3;
  80                          T3.RELEASE_T;
  81                     ELSE
  82                          FAILED ("WRONG TASK IN RENDEZVOUS - 1");
  83                     END IF;
  84                END DO_IT_NOW_OR_WAIT;
  85                ACCEPT DO_IT_NOW_OR_WAIT (X : INTEGER) DO
  86                     IF X /= 2 THEN
  87                          FAILED ("WRONG TASK IN RENDEZVOUS - 2");
  88                     END IF;
  89                END DO_IT_NOW_OR_WAIT;
  90           END  T;
  91
  92           TASK BODY T1 IS
  93           BEGIN
  94                T.DO_IT_NOW_OR_WAIT (1);
  95           END T1;
  96
  97           TASK BODY T2 IS
  98           BEGIN
  99                ACCEPT AWAKEN_T2;
 100                T.DO_IT_NOW_OR_WAIT (2);
 101           END T2;
 102
 103           TASK BODY T3 IS
 104                START_TIME : TIME;
 105                STOP_TIME : TIME;
 106           BEGIN
 107                BEGIN
 108                     ACCEPT AWAKEN_T3;
 109                     START_TIME := CLOCK;
 110                     SELECT
 111                          T.DO_IT_NOW_OR_WAIT (3);
 112                     OR
 113                                          -- THIS BRANCH MUST BE CHOSEN.
 114                          DELAY WAIT_TIME;
 115                          STOP_TIME := CLOCK;
 116                          IF STOP_TIME >= (WAIT_TIME + START_TIME) THEN
 117                               NULL;
 118                          ELSE
 119                               FAILED ( "INSUFFICIENT DELAY" );
 120                          END IF;
 121                          OR_BRANCH_TAKEN := TRUE;
 122                          COMMENT( "OR_BRANCH TAKEN" );
 123                          ACCEPT RELEASE_T;
 124                     END SELECT;
 125                EXCEPTION
 126                     WHEN TASKING_ERROR =>
 127                          FAILED ( "TASKING ERROR" );
 128                END;
 129                              -- END OF BLOCK CONTAINING TIMED
 130                              -- ENTRY CALL.
 131
 132                              -- BY NOW, THE TASK T IS EFFECTIVELY
 133                              -- TERMINATED (AND THE NONLOCALS UPDATED).
 134
 135                IF OR_BRANCH_TAKEN THEN
 136                     NULL;
 137                ELSE
 138                     FAILED( "RENDEZVOUS ATTEMPTED" );
 139                END IF;
 140           END T3;
 141      BEGIN
 142           NULL;
 143      END;
 144
 145      RESULT;
 146
 147 END C97301B;