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1 720 jeremybenn
-- C93004D.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 WHEN AN EXCEPTION IS RAISED DURING THE ACTIVATION OF A
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-- TASK, OTHER TASKS ARE UNAFFECTED.
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-- THIS TEST CHECKS THE CASE IN WHICH SOME OF THE OTHER TASKS ARE 
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-- PERHAPS ACTIVATED BEFORE THE EXCEPTION OCCURS AND SOME TASKS ARE 
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-- PERHAPS ACTIVATED AFTER.
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-- THE ENCLOSING BLOCK RECEIVES TASKING_ERROR.
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-- CHECK THAT TASKS WAITING FOR ENTRIES OF SUCH TASKS RECEIVE
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-- TASKING_ERROR.
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-- R. WILLIAMS 8/6/86
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-- PWN 11/30/94 REMOVED PRAGMA PRIORITY INSTANCES FOR ADA 9X.
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WITH SYSTEM; USE SYSTEM;
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WITH REPORT; USE REPORT;
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PROCEDURE C93004D IS
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BEGIN
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     TEST ( "C93004D", "CHECK THAT WHEN AN EXCEPTION IS RAISED " &
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                       "DURING ACTIVATION OF A TASK, OTHER TASKS " &
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                       "ARE NOT AFFECTED. IN THIS TEST, SOME OF THE " &
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                       "TASKS ARE PERHAPS ACTIVATED BEFORE THE " &
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                       "EXCEPTION OCCURS AND SOME PERHAPS AFTER" );
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     DECLARE
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          TASK T0 IS
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               ENTRY E;
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          END T0;
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          TASK TYPE T1 IS
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          END T1;
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          TASK TYPE T2 IS
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               ENTRY E;
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          END T2;
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          ARR_T2: ARRAY(INTEGER RANGE 1..4) OF T2;
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          TYPE AT1 IS ACCESS T1;
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          TASK BODY T0 IS
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          BEGIN
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               ACCEPT E;
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          END T0;
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          PACKAGE START_T1 IS      -- THIS PACKAGE TO AVOID ACCESS
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          END START_T1;            -- BEFORE ELABORATION ON T1.
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          TASK BODY T1 IS
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          BEGIN
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               DECLARE   -- THIS BLOCK TO CHECK THAT T1BIS TERMINATES.
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                    TASK T1BIS IS
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                    END T1BIS;
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                    TASK BODY T1BIS IS
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                    BEGIN
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                         ARR_T2(IDENT_INT(2)).E;
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                         FAILED ("RENDEZVOUS COMPLETED - T3");
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                    EXCEPTION
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                         WHEN TASKING_ERROR =>
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                              NULL;
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                         WHEN OTHERS =>
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                              FAILED("ABNORMAL EXCEPTION - T3");
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                    END T1BIS;
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               BEGIN
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                    NULL;
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               END;
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               ARR_T2(IDENT_INT(2)).E;   -- ARR_T2(2) IS NOW 
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                                         -- TERMINATED.
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               FAILED ("RENDEZVOUS COMPLETED WITHOUT ERROR - T1");
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          EXCEPTION
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               WHEN TASKING_ERROR =>
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                    NULL;
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               WHEN OTHERS =>
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                    FAILED("ABNORMAL EXCEPTION - T1");
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          END;
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          PACKAGE BODY START_T1 IS
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               V_AT1 : AT1 := NEW T1;
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          END START_T1;
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          TASK BODY T2 IS
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               I : POSITIVE := IDENT_INT(0); -- RAISE CONSTRAINT_ERROR.
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          BEGIN
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               IF I /= IDENT_INT(2) OR I = IDENT_INT(1) + 1 THEN
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                    FAILED("T2 ACTIVATED OK");
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               END IF;
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          END T2;
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          TASK T3 IS
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               ENTRY E;
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          END T3;
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          TASK BODY T3 IS
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          BEGIN     -- T3 MUST BE ACTIVATED OK.
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               ACCEPT E;
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          END T3;
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     BEGIN -- T0, ARR_T2 (1 .. 4), T3 ACTIVATED HERE.
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          FAILED ("TASKING_ERROR NOT RAISED IN MAIN");
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          T3.E;          -- CLEAN UP.
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          T0.E;
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     EXCEPTION
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          WHEN TASKING_ERROR =>
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               BEGIN
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                    T3.E;
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                    T0.E;
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               EXCEPTION
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                    WHEN TASKING_ERROR =>
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                         FAILED ("T0 OR T3 NOT ACTIVATED");
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               END;
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          WHEN CONSTRAINT_ERROR =>
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               FAILED ("CONSTRAINT_ERROR RAISED IN MAIN");
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          WHEN OTHERS =>
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               FAILED ("ABNORMAL EXCEPTION IN MAIN-2");
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     END;
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     RESULT;
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END C93004D;

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