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--C95022A.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 IT IS POSSIBLE TO ACCEPT AN ENTRY CALL FROM INSIDE THE

--THE BODY OF AN ACCEPT STATEMENT.

--CHECK THE CASE OF NORMAL ENTRY TERMINATION.

-- JEAN-PIERRE ROSEN 25-FEB-1984

-- JBG 6/1/84

-- FOUR CLIENT TASKS CALL ONE SERVER TASK.  EACH CLIENT CALLS JUST ONE

-- ENTRY OF THE SERVER TASK.  THE TEST CHECKS TO BE SURE THAT CALLS FROM

-- DIFFERENT TASKS ARE NOT MIXED UP.

WITH REPORT; USE REPORT;

PROCEDURE C95022A IS

BEGIN

     TEST("C95022A", "CHECK THAT EMBEDDED RENDEZVOUS ARE PROCESSED " &

                     "CORRECTLY");

     DECLARE

          TASK TYPE CLIENT IS

               ENTRY GET_ID (I : INTEGER);

               ENTRY RESTART;

          END CLIENT;

          T_ARR : ARRAY (1..4) OF CLIENT;

          TASK SERVER IS

               ENTRY E1 (I : IN OUT INTEGER);

               ENTRY E2 (I : IN OUT INTEGER);

               ENTRY E3 (I : IN OUT INTEGER);

               ENTRY E4 (I : IN OUT INTEGER);

          END SERVER;

          TASK BODY SERVER IS

          BEGIN

               ACCEPT E1 (I : IN OUT INTEGER) DO

                    ACCEPT E2 (I : IN OUT INTEGER) DO

                         I := IDENT_INT(I);

                         ACCEPT E3 (I : IN OUT INTEGER) DO

                              ACCEPT E4 (I : IN OUT INTEGER) DO

                                   I := IDENT_INT(I);

                              END E4;

                              I := IDENT_INT(I);

                         END E3;

                    END E2;

                    I := IDENT_INT(I);

               END E1;

               FOR I IN 1 .. 4 LOOP

                    T_ARR(I).RESTART;

               END LOOP;

          END SERVER;

          TASK BODY CLIENT IS

               ID      : INTEGER;

               SAVE_ID : INTEGER;

          BEGIN

               ACCEPT GET_ID (I : INTEGER) DO

                    ID := I;

               END GET_ID;

               SAVE_ID := ID;

               CASE ID IS

                    WHEN 1      => SERVER.E1(ID);

                    WHEN 2      => SERVER.E2(ID);

                    WHEN 3      => SERVER.E3(ID);

                    WHEN 4      => SERVER.E4(ID);

                    WHEN OTHERS => FAILED("INCORRECT ID");

               END CASE;

               ACCEPT RESTART;  -- WAIT FOR ALL TASKS TO HAVE COMPLETED

                                -- RENDEZVOUS

               IF ID /= SAVE_ID THEN

                    FAILED("SCRAMBLED EMBEDDED RENDEZVOUS");

               END IF;

          EXCEPTION

               WHEN OTHERS => FAILED("EXCEPTION IN CLIENT");

          END CLIENT;

     BEGIN

          FOR I IN 1 .. 4 LOOP

               T_ARR(I).GET_ID(I);

          END LOOP;

     END;

     RESULT;

END C95022A;