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Line No. Rev Author Line
1 720 jeremybenn
-- C9A010A.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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-- TEST ABORT DURING RENDEZVOUS
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-- ABORTING AN ABNORMAL (NOT YET TERMINATED) TASK.
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-- JEAN-PIERRE ROSEN 09 MARCH 1984
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-- JBG 6/1/84
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-- JWC 6/28/85   RENAMED FROM C9A009E-B.ADA
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-- PWN 01/31/95  REMOVED PRAGMA PRIORITY FOR ADA 9X.
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WITH SYSTEM; USE SYSTEM;
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WITH REPORT; USE REPORT;
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PROCEDURE C9A010A IS
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BEGIN
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     TEST("C9A010A", "ABORTING AN ABNORMAL TASK");
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     DECLARE
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     -- T1 CALLS T2.  WHILE IN RENDEVOUS, T2 ABORTS T1 AND WAITS FOR A
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     -- CALL FROM THE MAIN PROGRAM.  WHEN THE CALL IS ACCEPTED, THE MAIN
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     -- PROGRAM AGAIN ABORTS T1, WHICH IS NOW ABNORMAL, SINCE T1 HAS NOT
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     -- YET COMPLETED ITS RENDEVOUS WITH T2.
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          TASK T1 IS
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          END T1;
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          TASK T2 IS
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               ENTRY E1;
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               ENTRY E2;
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          END T2;
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          TASK BODY T1 IS
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          BEGIN
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               T2.E1;
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               FAILED("T1 NOT ABORTED");
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          EXCEPTION
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               WHEN TASKING_ERROR =>
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                    FAILED ("TASKING_ERROR IN T1");
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               WHEN OTHERS =>
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                    FAILED ("OTHER EXCEPTION IN T1");
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          END T1;
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          TASK BODY T2 IS
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          BEGIN
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               ACCEPT E1 DO
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                    ABORT  T1;
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                    ACCEPT E2;     -- NOTE CALLER REMAINS IN RENDEVOUS
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                    ACCEPT E2;     -- UNTIL TWO ENTRY CALLS ACCEPTED
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               END E1;
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          END T2;
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     BEGIN
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          T2.E2;    -- ONLY ACCEPTED AFTER T1 HAS BEEN ABORTED.
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          ABORT T1; -- T1 IS ABNORMAL BECAUSE IT IS STILL IN RENDEVOUS.
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          IF T1'CALLABLE THEN
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               FAILED ("T1 CALLABLE AFTER BEING ABORTED");
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          END IF;
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          IF T1'TERMINATED THEN
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               FAILED ("T1 TERMINATED ALTHOUGH IN RENDEVOUS");
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          END IF;
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          T2.E2; -- T1'S RENDEVOUS CAN NOW COMPLETE; T1 CAN TERMINATE.
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     END;
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     RESULT;
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END C9A010A;

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