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-- C9A009A.ADA

--                             Grant of Unlimited Rights

--

--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,

--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 

--     unlimited rights in the software and documentation contained herein.

--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making 

--     this public release, the Government intends to confer upon all 

--     recipients unlimited rights  equal to those held by the Government.  

--     These rights include rights to use, duplicate, release or disclose the 

--     released technical data and computer software in whole or in part, in 

--     any manner and for any purpose whatsoever, and to have or permit others 

--     to do so.

--

--                                    DISCLAIMER

--

--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR

--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 

--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE

--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 

--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A

--     PARTICULAR PURPOSE OF SAID MATERIAL.

--*

-- TEST ABORT DURING RENDEZVOUS

-- CALLING TASK IN RENDEVOUS IS NAMED IN ABORT STATEMENT.

-- JEAN-PIERRE ROSEN 09 MARCH 1984

-- JBG 6/1/84

-- JWC 6/28/85   RENAMED FROM C9A009D-B.ADA

WITH SYSTEM; USE SYSTEM;

WITH REPORT; USE REPORT;

PROCEDURE C9A009A IS

BEGIN

     TEST("C9A009A", "CALLING TASK IS ABORTED DIRECTLY");

     DECLARE

     -- T1 CALLS T2, WHICH ABORTS T1 WHILE IN RENDEVOUS

          T2_CONTINUED : BOOLEAN := FALSE;

          TASK CONTINUED IS

               ENTRY GET (T2_CONTINUED : OUT BOOLEAN);

               ENTRY PUT (T2_CONTINUED : IN  BOOLEAN);

          END CONTINUED;

          TASK BODY CONTINUED IS

               CONTINUED : BOOLEAN := FALSE;

          BEGIN

               LOOP

                    SELECT

                         ACCEPT GET (T2_CONTINUED : OUT BOOLEAN) DO

                              T2_CONTINUED := CONTINUED;

                         END GET;

                    OR

                         ACCEPT PUT (T2_CONTINUED : IN BOOLEAN) DO

                              CONTINUED := T2_CONTINUED;

                         END PUT;

                    OR

                         TERMINATE;

                    END SELECT;

               END LOOP;

          END CONTINUED;

     BEGIN     -- THIS BLOCK WILL MAKE SURE T2 IS TERMINATED, AND SO,

               -- T2_CONTINUED IS ASSIGNED A VALUE IF T2 CONTINUES

               -- EXECUTION CORRECTLY.

          DECLARE

               TASK T1;

               TASK T2 IS

                    ENTRY E1;

               END T2;

               TASK BODY T1 IS

               BEGIN

                    T2.E1;

                    FAILED ("T1 NOT ABORTED");

               EXCEPTION

                    WHEN TASKING_ERROR =>

                         FAILED ("TASKING_ERROR RAISED IN T1");

                    WHEN OTHERS =>

                         FAILED ("OTHER EXCEPTION RAISED - T1");

               END T1;

               TASK BODY T2 IS

               BEGIN

                    ACCEPT E1 DO

                         ABORT T1;

                         ABORT T1;

                         ABORT T1; -- WHY NOT?

                         IF T1'TERMINATED THEN

                              FAILED ("T1 PREMATURELY TERMINATED");

                         END IF;

                    END E1;

                    CONTINUED.PUT (T2_CONTINUED => TRUE);

               END T2;

          BEGIN

               NULL;

          END;

     -- T2 NOW TERMINATED

          CONTINUED.GET (T2_CONTINUED);

          IF NOT T2_CONTINUED THEN

               FAILED ("WHEN CALLER WAS ABORTED IN RENDEVOUS, CALLED " &

                       "TASK DID NOT CONTINUE");

          END IF;

     END;

     RESULT;

END C9A009A;