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-- C92006A.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.

--*

-- CHECK THAT TASK OBJECTS CAN BE INTERCHANGED BY ASSIGNMENT OF

-- CORRESPONDING ACCESS TYPE OBJECTS.

-- WEI  3/ 4/82

-- JWC 6/28/85   RENAMED FROM C920BIA-B.ADA

WITH REPORT;

 USE REPORT;

PROCEDURE C92006A IS

     TASK TYPE TT1 IS

          ENTRY E1;

          ENTRY E2;

     END TT1;

     TYPE ATT1 IS ACCESS TT1;

     POINTER_TT1_1, POINTER_TT1_2 : ATT1;

     SUBTYPE ARG IS NATURAL RANGE 0..9;

     SPYNUMB : NATURAL := 0;

     PROCEDURE PSPY_NUMB (DIGT: IN ARG) IS

     BEGIN

          SPYNUMB := 10*SPYNUMB+DIGT;

     END PSPY_NUMB;

     PROCEDURE PROC (P1, P2 : IN OUT ATT1) IS

     -- SWAP TASK OBJECTS P1, P2.

          SCRATCH : ATT1;

     BEGIN

          SCRATCH := P1;

          P1 := P2;

          P2 := SCRATCH;

          P1.E2;  -- ENTRY2 SECOND OBJECT.

          P2.E1;  -- VICE VERSA.

     END PROC;

     TASK BODY TT1 IS

     BEGIN

          ACCEPT E1 DO

               PSPY_NUMB (1);

          END E1;

          ACCEPT E2 DO

               PSPY_NUMB (2);

          END E2;

     END TT1;

BEGIN

     TEST ("C92006A", "INTERCHANGING TASK OBJECTS");

     POINTER_TT1_1 := NEW TT1;

     POINTER_TT1_2 := NEW TT1;

     POINTER_TT1_2.ALL.E1;

     PROC (POINTER_TT1_1, POINTER_TT1_2);

     POINTER_TT1_2.E2;        -- E2 OF FIRST OBJECT

-- EACH ENTRY OF EACH TASK OBJECT SHOULD HAVE BEEN CALLED.

     IF SPYNUMB /= 1212 THEN

          FAILED ("FAILURE TO SWAP TASK OBJECTS " &

                  "IN PROCEDURE PROC");

          COMMENT ("ACTUAL ORDER WAS:" & INTEGER'IMAGE(SPYNUMB));

     END IF;

     RESULT;

END C92006A;