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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [ada/] [acats/] [tests/] [c9/] [c95040d.ada] - Rev 816

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-- C95040D.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 TASKING_ERROR IS RAISED IN A CALLING
-- TASK WHEN THE TASK OWNING THE ENTRY TERMINATES BEFORE RENDEZVOUS
-- CAN OCCUR.
 
-- CHECK THAT RE-RAISING TASKING_ERROR, ONCE TRAPPED IN THE CALLER,
-- DOES NOT PROPAGATE OUTSIDE THE TASK BODY.
 
-- GOM 11/29/84
-- JWC 05/14/85
-- PWB 02/11/86  CORRECTED CALL TO TEST TO SHOW CORRECT TEST NAME.
-- RLB 12/15/99  REMOVED POTENTIALLY ERRONEOUS CALLS TO REPORT.COMMENT.
 
WITH REPORT;
USE REPORT;
 
PROCEDURE C95040D IS
 
     PROCEDURE DRIVER IS
 
          TASK NEST IS
               ENTRY OUTER;
               ENTRY INNER;
          END NEST;
 
          TASK SLAVE;
 
          TASK BODY NEST IS
          BEGIN
               --COMMENT("AT TOP OF 'NEST' TASK WAITING ON 'OUTER' " &
               --        "RENDEZVOUS");
 
               ACCEPT OUTER DO
                    --COMMENT("IN 'OUTER' RENDEZVOUS OF 'NEST' TASK " &
                    --        "ABOUT TO 'RETURN'");
 
                    RETURN;  -- CAUSES 'INNER' RENDEZVOUS TO BE SKIPPED.
 
                    ACCEPT INNER DO
                         FAILED("'INNER' RENDEZVOUS OF 'NEST' TASK " &
                                "SHOULD NEVER BE PERFORMED");
                    END INNER;
               END OUTER;
 
               --COMMENT("'OUTER' RENDEZVOUS COMPLETED IN 'NEST' TASK " &
               --        "AND NOW TERMINATING");
          END NEST;
 
          TASK BODY SLAVE IS
          BEGIN
               --COMMENT("AT TOP OF 'SLAVE' TASK. CALLING 'INNER' " &
               --        "RENDEZVOUS");
 
               NEST.INNER;
 
               FAILED("SHOULD HAVE RAISED 'TASKING_ERROR' IN 'SLAVE' " &
                      "TASK");
          EXCEPTION
               WHEN TASKING_ERROR =>
                    --COMMENT("'SLAVE' TASK CORRECTLY TRAPPING " &
                    --        "'TASKING_ERROR' AND RE-RAISING IT (BUT " &
                    --        "SHOULD NOT BE PROPAGATED)");
                    RAISE;
          END SLAVE;
 
     BEGIN  -- START OF DRIVER PROCEDURE.
 
          --COMMENT("AT TOP OF 'DRIVER'. CALLING 'OUTER' ENTRY OF " &
          --        "'NEST' TASK");
 
          NEST.OUTER;
 
          --COMMENT("'OUTER' RENDEZVOUS COMPLETED. 'DRIVER' AWAITING " &
          --        "TERMINATION OF 'NEST' AND 'SLAVE' TASKS");
 
     EXCEPTION
          WHEN TASKING_ERROR =>
               FAILED("'TASKING_ERROR' CAUGHT IN 'DRIVER' WHEN IT " &
                      "SHOULD HAVE BEEN CAUGHT IN 'SLAVE' TASK, OR " &
                      "'TASKING_ERROR' WAS INCORRECTLY PROPAGATED BY " &
                      "'SLAVE' TASK");
     END DRIVER;
 
BEGIN  -- START OF MAIN PROGRAM.
 
     TEST("C95040D","CHECK THAT 'TASKING_ERROR' IS RAISED IN A " &
                    "CALLER TASK WHEN TASK OWNING THE ENTRY CANNOT " &
                    "PERFORM RENDEZVOUS. ALSO CHECK THAT " &
                    "'TASKING_ERROR', ONCE RAISED, IS NOT PROPAGATED " &
                    "OUTSIDE THE TASK BODY");
 
     --COMMENT("MAIN PROGRAM CALLING 'DRIVER' PROCEDURE");
 
     DRIVER;
 
     --COMMENT("MAIN PROGRAM NOW TERMINATING");
 
     RESULT;
END C95040D;
 

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