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+-- C97201D.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 RENDEZVOUS REQUESTED BY A CONDITIONAL_ENTRY_CALL
+-- IS PERFORMED ONLY IF IMMEDIATELY POSSIBLE.
+
+-- CASE D: THE BODY OF THE TASK CONTAINING THE CALLED ENTRY
+-- DOES NOT CONTAIN AN ACCEPT_STATEMENT FOR THAT ENTRY -
+-- AND THIS FACT IS DETERMINED STATICALLY.
+
+
+-- RM 4/12/82
+
+
+WITH REPORT; USE REPORT;
+PROCEDURE C97201D IS
+
+ ELSE_BRANCH_TAKEN : BOOLEAN := FALSE ;
+
+BEGIN
+
+
+ TEST ("C97201D", "CHECK THAT NO RENDEZVOUS REQUESTED BY" &
+ " A CONDITIONAL_ENTRY_CALL CAN EVER OCCUR" &
+ " IN THE ABSENCE OF A CORRESPONDING " &
+ " ACCEPT_STATEMENT " );
+
+
+ DECLARE
+
+
+ TASK T IS
+ ENTRY DO_IT_NOW_ORELSE ;
+ ENTRY KEEP_ALIVE ;
+ END T ;
+
+
+ TASK BODY T IS
+ BEGIN
+
+ -- NO ACCEPT_STATEMENT FOR THE ENTRY_CALL BEING TESTED
+
+ ACCEPT KEEP_ALIVE ; -- TO PREVENT THIS SERVER TASK FROM
+ -- TERMINATING IF
+ -- UPON ACTIVATION
+ -- IT GETS TO RUN
+ -- AHEAD OF THE CALLER (WHICH
+ -- WOULD LEAD TO A SUBSEQUENT
+ -- TASKING_ERROR AT THE TIME OF
+ -- THE NO-WAIT CALL).
+
+ END ;
+
+
+ BEGIN
+
+ SELECT
+ T.DO_IT_NOW_ORELSE ;
+ ELSE -- (I.E. CALLER ADOPTS A NO-WAIT POLICY)
+ -- THEREFORE THIS BRANCH MUST BE CHOSEN
+ ELSE_BRANCH_TAKEN := TRUE ;
+ COMMENT( "ELSE_BRANCH TAKEN" );
+ END SELECT;
+
+ T.KEEP_ALIVE ; -- THIS ALSO UPDATES THE NONLOCALS
+
+ END; -- END OF BLOCK CONTAINING THE ENTRY CALL
+
+
+ -- BY NOW, THE TASK IS TERMINATED
+
+ IF ELSE_BRANCH_TAKEN THEN
+ NULL ;
+ ELSE
+ FAILED( "RENDEZVOUS ATTEMPTED?" );
+ END IF;
+
+ RESULT;
+
+
+END C97201D ;