Subversion Repositories openrisc

-- C97305B.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 IF THE RENDEZVOUS IS IMMEDIATELY POSSIBLE (FOR A

-- TIMED ENTRY CALL), IT IS PERFORMED.

-- CASE B: ENTRY FAMILY; THE CALLED TASK IS EXECUTING A SELECTIVE WAIT.

-- WRG 7/13/86

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

with Impdef;

WITH REPORT; USE REPORT;

WITH SYSTEM; USE SYSTEM;

PROCEDURE C97305B IS

     RENDEZVOUS_OCCURRED            : BOOLEAN  := FALSE;

     STATEMENTS_AFTER_CALL_EXECUTED : BOOLEAN  := FALSE;

     COUNT                          : POSITIVE := 1;

     ZERO                           : DURATION := 1.0;

BEGIN

     TEST ("C97305B", "CHECK THAT IF THE RENDEZVOUS IS IMMEDIATELY " &

                      "POSSIBLE (FOR A TIMED ENTRY CALL), IT " &

                      "IS PERFORMED");

     IF EQUAL (3, 3) THEN

          ZERO := 0.0;

     END IF;

     DECLARE

          TASK T IS

               ENTRY E (1..3) (B : IN OUT BOOLEAN);

          END T;

          TASK BODY T IS

          BEGIN

               SELECT

                    ACCEPT E (2) (B : IN OUT BOOLEAN) DO

                         B := IDENT_BOOL (TRUE);

                    END E;

               OR

                    ACCEPT E (3) (B : IN OUT BOOLEAN);

                    FAILED ("NONEXISTENT ENTRY CALL ACCEPTED");

               END SELECT;

          END T;

     BEGIN

          WHILE NOT STATEMENTS_AFTER_CALL_EXECUTED LOOP

               DELAY 1.0 * Impdef.One_Second;

               SELECT

                    T.E (2) (RENDEZVOUS_OCCURRED);

                    STATEMENTS_AFTER_CALL_EXECUTED := IDENT_BOOL (TRUE);

               OR

                    DELAY ZERO;

                    IF COUNT < 60 * 60 THEN

                         COUNT := COUNT + 1;

                    ELSE

                         FAILED ("NO RENDEZVOUS AFTER AT LEAST ONE " &

                                 "HOUR ELAPSED");

                         EXIT;

                    END IF;

               END SELECT;

          END LOOP;

     END;

     IF NOT RENDEZVOUS_OCCURRED THEN

          FAILED ("RENDEZVOUS DID NOT OCCUR");

     END IF;

     IF COUNT > 1 THEN

          COMMENT ("DELAYED" & POSITIVE'IMAGE(COUNT) & " SECONDS");

     END IF;

     RESULT;

END C97305B;