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-- C97301B.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.
--*
-- OBJECTIVE:
-- CHECK THAT A TIMED_ENTRY_CALL DELAYS FOR AT LEAST THE SPECIFIED
-- AMOUNT OF TIME IF A RENDEZVOUS IS NOT POSSIBLE.
-- CASE B: THE QUEUE FOR THE CALLED ENTRY ALREADY CONTAINS
-- ANOTHER TASK WHOSE RENDEZVOUS CANNOT BE COMPLETED WITHIN
-- THE SPECIFIED DELAY.
--HISTORY:
-- RJW 03/31/86 CREATED ORIGINAL TEST.
-- DHH 10/20/87 SHORTENED LINES CONTAINING MORE THAN 72 CHARACTERS.
with Impdef;
WITH REPORT; USE REPORT;
WITH CALENDAR; USE CALENDAR;
PROCEDURE C97301B IS
OR_BRANCH_TAKEN : BOOLEAN := FALSE;
BEGIN
TEST ("C97301B", "CHECK THAT A TIMED_ENTRY_CALL DELAYS FOR AT " &
"LEAST THE SPECIFIED AMOUNT OF TIME WHEN THE " &
"QUEUE FOR THE CALLED ENTRY ALREADY CONTAINS " &
"ANOTHER TASK WHOSE RENDEZVOUS CANNOT BE " &
"COMPLETED WITHIN THE SPECIFIED DELAY" );
DECLARE
WAIT_TIME : DURATION := 3.0 * Impdef.One_Second;
TASK T1;
TASK T2 IS
ENTRY AWAKEN_T2;
END T2;
TASK T3 IS
ENTRY AWAKEN_T3;
ENTRY RELEASE_T;
END T3;
TASK T IS
ENTRY DO_IT_NOW_OR_WAIT (X : INTEGER);
END T;
TASK BODY T IS
BEGIN
ACCEPT DO_IT_NOW_OR_WAIT (X : INTEGER) DO
IF X = 1 THEN
T2.AWAKEN_T2;
WHILE DO_IT_NOW_OR_WAIT'COUNT = 0 LOOP
DELAY 1.0 * Impdef.One_Second;
END LOOP;
T3.AWAKEN_T3;
T3.RELEASE_T;
ELSE
FAILED ("WRONG TASK IN RENDEZVOUS - 1");
END IF;
END DO_IT_NOW_OR_WAIT;
ACCEPT DO_IT_NOW_OR_WAIT (X : INTEGER) DO
IF X /= 2 THEN
FAILED ("WRONG TASK IN RENDEZVOUS - 2");
END IF;
END DO_IT_NOW_OR_WAIT;
END T;
TASK BODY T1 IS
BEGIN
T.DO_IT_NOW_OR_WAIT (1);
END T1;
TASK BODY T2 IS
BEGIN
ACCEPT AWAKEN_T2;
T.DO_IT_NOW_OR_WAIT (2);
END T2;
TASK BODY T3 IS
START_TIME : TIME;
STOP_TIME : TIME;
BEGIN
BEGIN
ACCEPT AWAKEN_T3;
START_TIME := CLOCK;
SELECT
T.DO_IT_NOW_OR_WAIT (3);
OR
-- THIS BRANCH MUST BE CHOSEN.
DELAY WAIT_TIME;
STOP_TIME := CLOCK;
IF STOP_TIME >= (WAIT_TIME + START_TIME) THEN
NULL;
ELSE
FAILED ( "INSUFFICIENT DELAY" );
END IF;
OR_BRANCH_TAKEN := TRUE;
COMMENT( "OR_BRANCH TAKEN" );
ACCEPT RELEASE_T;
END SELECT;
EXCEPTION
WHEN TASKING_ERROR =>
FAILED ( "TASKING ERROR" );
END;
-- END OF BLOCK CONTAINING TIMED
-- ENTRY CALL.
-- BY NOW, THE TASK T IS EFFECTIVELY
-- TERMINATED (AND THE NONLOCALS UPDATED).
IF OR_BRANCH_TAKEN THEN
NULL;
ELSE
FAILED( "RENDEZVOUS ATTEMPTED" );
END IF;
END T3;
BEGIN
NULL;
END;
RESULT;
END C97301B;
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