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-- C97201B.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 A CONDITIONAL ENTRY CALL IS NOT ACCEPTED IF THERE IS

-- ANOTHER TASK QUEUED FOR THE ENTRY.

-- WRG 7/11/86

-- PWN 09/11/94  REMOVED PRAGMA PRIORITY FOR ADA 9X.

with Impdef;

WITH REPORT; USE REPORT;

WITH SYSTEM; USE SYSTEM;

PROCEDURE C97201B IS

BEGIN

     TEST ("C97201B", "CHECK THAT A CONDITIONAL ENTRY CALL IS NOT " &

                      "ACCEPTED IF THERE IS ANOTHER TASK QUEUED " &

                      "FOR THE ENTRY");

     DECLARE

          TASK T IS

               ENTRY E;

               ENTRY SYNCH;

               ENTRY DONE;

          END T;

          TASK BODY T IS

          BEGIN

               -- ENSURE THAT E HAS BEEN CALLED BEFORE PROCEEDING:

               WHILE E'COUNT = 0 LOOP

                    DELAY 1.0 * Impdef.One_Second;

               END LOOP;

               ACCEPT SYNCH;

               SELECT

                    WHEN IDENT_BOOL (FALSE) =>

                         ACCEPT E;

                         FAILED ("CLOSED ALTERNATIVE TAKEN");

               OR

                    ACCEPT DONE DO

                         IF E'COUNT /= 1 THEN

                              FAILED (NATURAL'IMAGE(E'COUNT) &

                                      " CALLS WERE QUEUED FOR ENTRY " &

                                      "E OF TASK T");

                         END IF;

                    END DONE;

               OR

                    DELAY 1000.0 * Impdef.One_Second;

                    FAILED ("DELAY EXPIRED; E'COUNT =" &

                            NATURAL'IMAGE(E'COUNT) );

               END SELECT;

               WHILE E'COUNT > 0 LOOP

                    ACCEPT E;

               END LOOP;

          END T;

          TASK AGENT;

          TASK BODY AGENT IS

          BEGIN

               T.E;

          END AGENT;

     BEGIN

          T.SYNCH;

          DELAY 10.0 * Impdef.One_Second;

          SELECT

               T.E;

               FAILED ("CONDITIONAL ENTRY CALL ACCEPTED" );

          ELSE

               COMMENT ("ELSE PART EXECUTED");

               T.DONE;

          END SELECT;

     END;

     RESULT;

END C97201B;