1-- C97201D.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 RENDEZVOUS REQUESTED BY A CONDITIONAL_ENTRY_CALL 26-- IS PERFORMED ONLY IF IMMEDIATELY POSSIBLE. 27 28-- CASE D: THE BODY OF THE TASK CONTAINING THE CALLED ENTRY 29-- DOES NOT CONTAIN AN ACCEPT_STATEMENT FOR THAT ENTRY - 30-- AND THIS FACT IS DETERMINED STATICALLY. 31 32 33-- RM 4/12/82 34 35 36WITH REPORT; USE REPORT; 37PROCEDURE C97201D IS 38 39 ELSE_BRANCH_TAKEN : BOOLEAN := FALSE ; 40 41BEGIN 42 43 44 TEST ("C97201D", "CHECK THAT NO RENDEZVOUS REQUESTED BY" & 45 " A CONDITIONAL_ENTRY_CALL CAN EVER OCCUR" & 46 " IN THE ABSENCE OF A CORRESPONDING " & 47 " ACCEPT_STATEMENT " ); 48 49 50 DECLARE 51 52 53 TASK T IS 54 ENTRY DO_IT_NOW_ORELSE ; 55 ENTRY KEEP_ALIVE ; 56 END T ; 57 58 59 TASK BODY T IS 60 BEGIN 61 62 -- NO ACCEPT_STATEMENT FOR THE ENTRY_CALL BEING TESTED 63 64 ACCEPT KEEP_ALIVE ; -- TO PREVENT THIS SERVER TASK FROM 65 -- TERMINATING IF 66 -- UPON ACTIVATION 67 -- IT GETS TO RUN 68 -- AHEAD OF THE CALLER (WHICH 69 -- WOULD LEAD TO A SUBSEQUENT 70 -- TASKING_ERROR AT THE TIME OF 71 -- THE NO-WAIT CALL). 72 73 END ; 74 75 76 BEGIN 77 78 SELECT 79 T.DO_IT_NOW_ORELSE ; 80 ELSE -- (I.E. CALLER ADOPTS A NO-WAIT POLICY) 81 -- THEREFORE THIS BRANCH MUST BE CHOSEN 82 ELSE_BRANCH_TAKEN := TRUE ; 83 COMMENT( "ELSE_BRANCH TAKEN" ); 84 END SELECT; 85 86 T.KEEP_ALIVE ; -- THIS ALSO UPDATES THE NONLOCALS 87 88 END; -- END OF BLOCK CONTAINING THE ENTRY CALL 89 90 91 -- BY NOW, THE TASK IS TERMINATED 92 93 IF ELSE_BRANCH_TAKEN THEN 94 NULL ; 95 ELSE 96 FAILED( "RENDEZVOUS ATTEMPTED?" ); 97 END IF; 98 99 RESULT; 100 101 102END C97201D ; 103