1-- C97301C.ADA 2 3-- Grant of Unlimited Rights 4-- 5-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687, 6-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 7-- unlimited rights in the software and documentation contained herein. 8-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making 9-- this public release, the Government intends to confer upon all 10-- recipients unlimited rights equal to those held by the Government. 11-- These rights include rights to use, duplicate, release or disclose the 12-- released technical data and computer software in whole or in part, in 13-- any manner and for any purpose whatsoever, and to have or permit others 14-- to do so. 15-- 16-- DISCLAIMER 17-- 18-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR 19-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 20-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE 21-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 22-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A 23-- PARTICULAR PURPOSE OF SAID MATERIAL. 24--* 25-- CHECK THAT A TIMED_ENTRY_CALL DELAYS FOR AT LEAST THE SPECIFIED 26-- AMOUNT OF TIME IF A RENDEVOUS IS NOT POSSIBLE. 27 28-- CASE C: AN ACCEPT STATEMENT FOR THE CALLED ENTRY HAS NOT BEEN 29-- REACHED. 30 31-- RJW 3/31/86 32 33with Impdef; 34WITH REPORT; USE REPORT; 35WITH CALENDAR; USE CALENDAR; 36PROCEDURE C97301C IS 37 38 OR_BRANCH_TAKEN : BOOLEAN := FALSE; 39 40BEGIN 41 42 TEST ("C97301C", "CHECK THAT A TIMED_ENTRY_CALL DELAYS FOR AT " & 43 "LEAST THE SPECIFIED AMOUNT OF TIME WHEN AN " & 44 "ACCEPT STATEMENT FOR THE CALLED ENTRY HAS " & 45 "NOT BEEN REACHED" ); 46 47 48 DECLARE 49 START_TIME : TIME; 50 STOP_TIME : TIME; 51 WAIT_TIME : DURATION := 3.0 * Impdef.One_Second; 52 53 TASK T IS 54 ENTRY NO_SPIN; 55 ENTRY DO_IT_NOW_OR_WAIT; 56 END T; 57 58 TASK BODY T IS 59 BEGIN 60 ACCEPT NO_SPIN; 61 ACCEPT DO_IT_NOW_OR_WAIT; 62 END T; 63 64 BEGIN 65 START_TIME := CLOCK; 66 SELECT 67 T.DO_IT_NOW_OR_WAIT; 68 FAILED("RENDEZVOUS OCCURRED"); 69 ABORT T; 70 OR 71 -- THIS BRANCH MUST BE CHOSEN. 72 DELAY WAIT_TIME; 73 STOP_TIME := CLOCK; 74 IF STOP_TIME >= (WAIT_TIME + START_TIME) THEN 75 NULL; 76 ELSE 77 FAILED ( "INSUFFICIENT DELAY" ); 78 END IF; 79 T.NO_SPIN; 80 OR_BRANCH_TAKEN := TRUE; 81 COMMENT( "OR_BRANCH TAKEN" ); 82 T.DO_IT_NOW_OR_WAIT; 83 END SELECT; 84 EXCEPTION 85 WHEN TASKING_ERROR => 86 FAILED ( "TASKING ERROR" ); 87 END; 88 -- END OF BLOCK CONTAINING TIMED 89 -- ENTRY CALL. 90 91 -- BY NOW, TASK T IS TERMINATED (AND THE NONLOCALS UPDATED). 92 93 IF OR_BRANCH_TAKEN THEN 94 NULL; 95 ELSE 96 FAILED( "RENDEZVOUS ATTEMPTED" ); 97 END IF; 98 99 RESULT; 100 101END C97301C; 102