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-- C97301A.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 TIMED_ENTRY_CALL DELAYS FOR AT LEAST THE SPECIFIED
-- AMOUNT OF TIME IF A RENDEVOUS IS NOT POSSIBLE.
-- CASE A: THE TASK TO BE CALLED HAS NOT YET BEEN ACTIVATED AS OF THE
-- MOMENT OF CALL.
-- RJW 3/31/86
with Impdef;
WITH REPORT; USE REPORT;
WITH CALENDAR; USE CALENDAR;
PROCEDURE C97301A IS
WAIT_TIME : CONSTANT DURATION := 10.0 * Impdef.One_Second;
OR_BRANCH_TAKEN : INTEGER := 3;
BEGIN
TEST ("C97301A", "CHECK THAT A TIMED_ENTRY_CALL DELAYS FOR AT " &
"LEAST THE SPECIFIED AMOUNT OF TIME WHEN THE " &
"CALLED TASK IS NOT ACTIVE" );
------------------------------------------------------------------
DECLARE
TASK T IS
ENTRY DO_IT_NOW_OR_WAIT ( AUTHORIZED : IN BOOLEAN );
END T;
TASK BODY T IS
PACKAGE SECOND_ATTEMPT IS END SECOND_ATTEMPT;
PACKAGE BODY SECOND_ATTEMPT IS
START_TIME : TIME;
BEGIN
START_TIME := CLOCK;
SELECT
DO_IT_NOW_OR_WAIT (FALSE); --CALLING OWN ENTRY.
OR
-- THEREFORE THIS BRANCH
-- MUST BE CHOSEN.
DELAY WAIT_TIME;
IF CLOCK >= (WAIT_TIME + START_TIME) THEN
NULL;
ELSE
FAILED ( "INSUFFICIENT DELAY (#2)" );
END IF;
OR_BRANCH_TAKEN := 2 * OR_BRANCH_TAKEN;
COMMENT( "OR_BRANCH TAKEN (#2)" );
END SELECT;
END SECOND_ATTEMPT;
BEGIN
ACCEPT DO_IT_NOW_OR_WAIT ( AUTHORIZED : IN BOOLEAN ) DO
IF AUTHORIZED THEN
COMMENT( "AUTHORIZED ENTRY_CALL" );
ELSE
FAILED( "UNAUTHORIZED ENTRY_CALL" );
END IF;
END DO_IT_NOW_OR_WAIT;
END T;
PACKAGE FIRST_ATTEMPT IS END FIRST_ATTEMPT;
PACKAGE BODY FIRST_ATTEMPT IS
START_TIME : TIME;
BEGIN
START_TIME := CLOCK;
SELECT
T.DO_IT_NOW_OR_WAIT (FALSE);
OR
-- THIS BRANCH MUST BE CHOSEN.
DELAY WAIT_TIME;
IF CLOCK >= (WAIT_TIME + START_TIME) THEN
NULL;
ELSE
FAILED ( "INSUFFICIENT DELAY (#1)" );
END IF;
OR_BRANCH_TAKEN := 1 + OR_BRANCH_TAKEN;
COMMENT( "OR_BRANCH TAKEN (#1)" );
END SELECT;
END FIRST_ATTEMPT;
BEGIN
T.DO_IT_NOW_OR_WAIT ( TRUE ); -- TO SATISFY THE SERVER'S
-- WAIT FOR SUCH A CALL.
EXCEPTION
WHEN TASKING_ERROR =>
FAILED( "TASKING ERROR" );
END ;
------------------------------------------------------------------
-- BY NOW, THE TASK IS TERMINATED (AND THE NONLOCALS UPDATED).
CASE OR_BRANCH_TAKEN IS
WHEN 3 =>
FAILED( "NO 'OR'; BOTH (?) RENDEZVOUS ATTEMPTED?" );
WHEN 4 =>
FAILED( "'OR' #1 ONLY; RENDEZVOUS (#2) ATTEMPTED?" );
WHEN 6 =>
FAILED( "'OR' #2 ONLY; RENDEZVOUS (#1) ATTEMPTED?" );
WHEN 7 =>
FAILED( "WRONG ORDER FOR 'OR': #2,#1" );
WHEN 8 =>
NULL;
WHEN OTHERS =>
FAILED( "WRONG CASE_VALUE" );
END CASE;
RESULT;
END C97301A;
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