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1 149 jeremybenn
-- C97301E.ADA
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--                             Grant of Unlimited Rights
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--
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--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 
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--     unlimited rights in the software and documentation contained herein.
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--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making 
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--     this public release, the Government intends to confer upon all 
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--     recipients unlimited rights  equal to those held by the Government.  
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--     These rights include rights to use, duplicate, release or disclose the 
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--     released technical data and computer software in whole or in part, in 
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--     any manner and for any purpose whatsoever, and to have or permit others 
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--     to do so.
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--
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--                                    DISCLAIMER
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--
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--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 
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--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 
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--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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--     PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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-- CHECK THAT A TIMED_ENTRY_CALL DELAYS FOR AT LEAST THE SPECIFIED 
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-- AMOUNT OF TIME IF A RENDEZVOUS IS NOT POSSIBLE.
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-- CASE  E:  THE BODY OF THE TASK CONTAINING THE CALLED ENTRY
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--           DOES NOT CONTAIN AN ACCEPT_STATEMENT FOR THAT ENTRY  -
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--           (THE ENTRY BELONGS TO AN ENTRY FAMILY; SOME FAMILY MEMBERS
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--           ARE "ACCEPTABLE", BUT NOT THE CALLED ONE.)
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-- RJW 3/31/86
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with Impdef;
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WITH REPORT; USE REPORT;
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WITH CALENDAR; USE CALENDAR;
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PROCEDURE C97301E IS
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     OR_BRANCH_TAKEN : BOOLEAN := FALSE;
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BEGIN
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     TEST ("C97301E", "CHECK THAT A TIMED_ENTRY_CALL DELAYS FOR AT " &
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                      "LEAST THE SPECIFIED AMOUNT OF TIME " &
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                      "IN THE ABSENCE OF A CORRESPONDING " &
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                      "ACCEPT_STATEMENT " );
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     DECLARE
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          WAIT_TIME : DURATION :=  3.0 * Impdef.One_Second;
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          START_TIME : TIME;
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          STOP_TIME : TIME;
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          SUBTYPE  SHORT  IS  INTEGER RANGE 10..20 ;
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          KEEP_ALIVE  :  INTEGER  := 15 ;
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          TASK  T  IS
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               ENTRY  DO_IT_NOW_OR_WAIT ( SHORT ) ;
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          END  T ;
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          TASK BODY  T  IS
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          BEGIN
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               -- NO ACCEPT_STATEMENT FOR THE ENTRY_CALL BEING TESTED.
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               ACCEPT  DO_IT_NOW_OR_WAIT ( IDENT_INT(15) );
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                                     -- THIS ALSO PREVENTS THIS SERVER
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                                     --     TASK FROM TERMINATING IF
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                                     --     UPON ACTIVATION
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                                     --     IT GETS TO RUN    
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                                     --     AHEAD OF THE CALLER (WHICH
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                                     --     WOULD LEAD TO A SUBSEQUENT
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                                     --     TASKING_ERROR AT THE TIME 
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                                     --     OF THE NO-WAIT CALL).
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          END ;
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     BEGIN
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          START_TIME := CLOCK;
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          SELECT
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               T.DO_IT_NOW_OR_WAIT (10) ;  -- ACCEPT_STATEMENT HAS 15.
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          OR
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                            --   THEREFORE THIS BRANCH MUST BE CHOSEN.
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               DELAY WAIT_TIME;
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               STOP_TIME := CLOCK;
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               IF STOP_TIME >= (WAIT_TIME + START_TIME) THEN
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                    NULL;
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               ELSE
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                    FAILED ( "INSUFFICIENT DELAY" );
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               END IF;
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               OR_BRANCH_TAKEN := TRUE ;
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               COMMENT( "OR_BRANCH TAKEN" );
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          END SELECT;
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          T.DO_IT_NOW_OR_WAIT (KEEP_ALIVE) ;
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     EXCEPTION
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          WHEN TASKING_ERROR =>
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               FAILED ( "TASKING ERROR" );
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     END;   -- END OF BLOCK CONTAINING THE TIMED ENTRY CALL.
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     -- BY NOW, TASK T IS TERMINATED.
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     IF  OR_BRANCH_TAKEN  THEN
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          NULL ;
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     ELSE
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          FAILED( "RENDEZVOUS ATTEMPTED" );
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     END IF;
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     RESULT;
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END  C97301E ;

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