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1 149 jeremybenn
-- C94001B.ADA
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--                             Grant of Unlimited Rights
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--
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--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 
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--     unlimited rights in the software and documentation contained herein.
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--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making 
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--     this public release, the Government intends to confer upon all 
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--     recipients unlimited rights  equal to those held by the Government.  
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--     These rights include rights to use, duplicate, release or disclose the 
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--     released technical data and computer software in whole or in part, in 
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--     any manner and for any purpose whatsoever, and to have or permit others 
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--     to do so.
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--
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--                                    DISCLAIMER
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--
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--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 
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--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 
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--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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--     PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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-- CHECK THAT A UNIT WITH DEPENDENT TASKS CREATED BY AN OBJECT
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-- DECLARATION OF LIMITED PRIVATE TYPE IS NOT TERMINATED UNTIL ALL
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-- DEPENDENT TASKS BECOME TERMINATED.
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-- SUBTESTS ARE:
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--   (A, B)  A SIMPLE TASK OBJECT, IN A BLOCK.
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--   (C, D)  AN ARRAY OF TASK OBJECT, IN A FUNCTION.
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--   (E, F)  AN ARRAY OF RECORD OF TASK OBJECT, IN A TASK BODY.
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-- THIS TEST CONTAINS SHARED VARIABLES AND RACE CONDITIONS.
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-- TBN  8/22/86
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-- PWN 01/31/95  REMOVED PRAGMA PRIORITY FOR ADA 9X.
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with Impdef;
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WITH REPORT; USE REPORT;
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WITH SYSTEM; USE SYSTEM;
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PROCEDURE C94001B IS
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     PACKAGE P IS
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          MY_EXCEPTION : EXCEPTION;
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          GLOBAL : INTEGER;
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          TYPE TT IS LIMITED PRIVATE;
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          PROCEDURE CALL_ENTRY (A : TT; B : INTEGER);
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     PRIVATE
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          TASK TYPE TT IS
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               ENTRY E (I : INTEGER);
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          END TT;
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     END P;
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     PACKAGE BODY P IS
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          PROCEDURE CALL_ENTRY (A : TT; B : INTEGER) IS
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          BEGIN
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               A.E (B);
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          END CALL_ENTRY;
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          TASK BODY TT IS
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               LOCAL : INTEGER;
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          BEGIN
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               ACCEPT E (I : INTEGER) DO
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                    LOCAL := I;
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               END E;
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               DELAY 30.0 * Impdef.One_Second;    -- SINCE THE PARENT UNIT HAS HIGHER
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                              -- PRIORITY AT THIS POINT, IT WILL
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                              -- RECEIVE CONTROL AND TERMINATE IF
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                              -- THE ERROR IS PRESENT.
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               GLOBAL := LOCAL;
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          END TT;
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     END P;
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     USE P;
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BEGIN
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     TEST ("C94001B", "CHECK THAT A UNIT WITH DEPENDENT TASKS " &
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                      "CREATED BY AN OBJECT DECLARATION OF LIMITED " &
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                      "PRIVATE TYPE IS NOT TERMINATED UNTIL ALL " &
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                      "DEPENDENT TASKS BECOME TERMINATED");
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     --------------------------------------------------
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     GLOBAL := IDENT_INT (0);
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     DECLARE -- (A)
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          T : TT;
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     BEGIN -- (A)
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          CALL_ENTRY (T, IDENT_INT(1));
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     END; -- (A)
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     IF GLOBAL /= 1 THEN
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          FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
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                  "BLOCK EXIT - 1");
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     END IF;
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     --------------------------------------------------
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     GLOBAL := IDENT_INT (0);
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     BEGIN -- (B)
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          DECLARE
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               T : TT;
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          BEGIN
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               CALL_ENTRY (T, IDENT_INT(2));
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               RAISE MY_EXCEPTION;
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          END;
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          FAILED ("MY_EXCEPTION WAS NOT RAISED - 2");
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     EXCEPTION
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          WHEN MY_EXCEPTION =>
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               IF GLOBAL /= 2 THEN
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                    FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
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                            "BLOCK EXIT - 2");
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               END IF;
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          WHEN OTHERS =>
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               FAILED ("UNEXPECTED EXCEPTION - 2");
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     END; -- (B)
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     --------------------------------------------------
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     GLOBAL := IDENT_INT (0);
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     DECLARE -- (C)
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          I : INTEGER;
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          FUNCTION F RETURN INTEGER IS
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               A : ARRAY (1..1) OF TT;
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          BEGIN
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               CALL_ENTRY (A(1), IDENT_INT(3));
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               RETURN 0;
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          END F;
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     BEGIN -- (C)
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          I := F;
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          IF GLOBAL /= 3 THEN
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               FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
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                       "FUNCTION EXIT - 3");
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          END IF;
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     END; -- (C)
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     --------------------------------------------------
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     GLOBAL := IDENT_INT (0);
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     DECLARE -- (D)
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          I : INTEGER;
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          FUNCTION F RETURN INTEGER IS
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               A : ARRAY (1..1) OF TT;
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          BEGIN
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               CALL_ENTRY (A(1), IDENT_INT(4));
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               IF EQUAL (3, 3) THEN
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                    RAISE MY_EXCEPTION;
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               END IF;
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               RETURN 0;
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          END F;
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     BEGIN -- (D)
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          I := F;
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          FAILED ("MY_EXCEPTION WAS NOT RAISED - 4");
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     EXCEPTION
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          WHEN MY_EXCEPTION =>
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               IF GLOBAL /= 4 THEN
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                    FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
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                            "FUNCTION EXIT - 4");
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               END IF;
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          WHEN OTHERS =>
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               FAILED ("UNEXPECTED EXCEPTION - 4");
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     END; -- (D)
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     --------------------------------------------------
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     GLOBAL := IDENT_INT (0);
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     DECLARE -- (E)
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          LOOP_COUNT : INTEGER := 0;
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          CUT_OFF : CONSTANT := 60 * 60;     -- ONE HOUR DELAY.
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          TASK TSK IS
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               ENTRY ENT;
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          END TSK;
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          TASK BODY TSK IS
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               TYPE RT IS
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                    RECORD
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                         T : TT;
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                    END RECORD;
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               AR : ARRAY (1..1) OF RT;
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          BEGIN
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               CALL_ENTRY (AR(1).T, IDENT_INT(5));
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          END TSK;
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     BEGIN -- (E)
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          WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP
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               DELAY 1.0 * Impdef.One_Second;
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               LOOP_COUNT := LOOP_COUNT + 1;
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          END LOOP;
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          IF LOOP_COUNT >= CUT_OFF THEN
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               FAILED ("DEPENDENT TASK NOT TERMINATED WITHIN ONE " &
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                       "HOUR - 5");
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          ELSIF GLOBAL /= 5 THEN
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               FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
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                       "TASK EXIT - 5");
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          END IF;
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     END; -- (E)
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     --------------------------------------------------
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     GLOBAL := IDENT_INT (0);
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227
     DECLARE -- (F)
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229
          LOOP_COUNT : INTEGER := 0;
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          CUT_OFF : CONSTANT := 60 * 60;     -- ONE HOUR DELAY.
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232
          TASK TSK IS
233
               ENTRY ENT;
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          END TSK;
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236
          TASK BODY TSK IS
237
               TYPE RT IS
238
                    RECORD
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                         T : TT;
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                    END RECORD;
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               AR : ARRAY (1..1) OF RT;
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          BEGIN
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               CALL_ENTRY (AR(1).T, IDENT_INT(6));
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               IF EQUAL (3, 3) THEN
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                    RAISE MY_EXCEPTION;
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               END IF;
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               FAILED ("EXCEPTION WAS NOT RAISED - 6");
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          END TSK;
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     BEGIN -- (F)
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          WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP
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               DELAY 1.0 * Impdef.One_Second;
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               LOOP_COUNT := LOOP_COUNT + 1;
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          END LOOP;
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          IF LOOP_COUNT >= CUT_OFF THEN
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               FAILED ("DEPENDENT TASK NOT TERMINATED WITHIN ONE " &
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                       "HOUR - 6");
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          ELSIF GLOBAL /= 6 THEN
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               FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
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                       "TASK EXIT - 6");
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          END IF;
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     END; -- (F)
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     RESULT;
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END C94001B;

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