gcc/testsuite/ada/acats/tests/c9/c9a010a.ada

   1 -- C9A010A.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 -- TEST ABORT DURING RENDEZVOUS
  26
  27 -- ABORTING AN ABNORMAL (NOT YET TERMINATED) TASK.
  28
  29 -- JEAN-PIERRE ROSEN 09 MARCH 1984
  30 -- JBG 6/1/84
  31 -- JWC 6/28/85   RENAMED FROM C9A009E-B.ADA
  32 -- PWN 01/31/95  REMOVED PRAGMA PRIORITY FOR ADA 9X.
  33
  34 WITH SYSTEM; USE SYSTEM;
  35 WITH REPORT; USE REPORT;
  36 PROCEDURE C9A010A IS
  37
  38 BEGIN
  39
  40      TEST("C9A010A", "ABORTING AN ABNORMAL TASK");
  41
  42      DECLARE
  43      -- T1 CALLS T2.  WHILE IN RENDEVOUS, T2 ABORTS T1 AND WAITS FOR A
  44      -- CALL FROM THE MAIN PROGRAM.  WHEN THE CALL IS ACCEPTED, THE MAIN
  45      -- PROGRAM AGAIN ABORTS T1, WHICH IS NOW ABNORMAL, SINCE T1 HAS NOT
  46      -- YET COMPLETED ITS RENDEVOUS WITH T2.
  47
  48           TASK T1 IS
  49           END T1;
  50
  51           TASK T2 IS
  52                ENTRY E1;
  53                ENTRY E2;
  54           END T2;
  55
  56           TASK BODY T1 IS
  57           BEGIN
  58                T2.E1;
  59                FAILED("T1 NOT ABORTED");
  60           EXCEPTION
  61                WHEN TASKING_ERROR =>
  62                     FAILED ("TASKING_ERROR IN T1");
  63                WHEN OTHERS =>
  64                     FAILED ("OTHER EXCEPTION IN T1");
  65           END T1;
  66
  67           TASK BODY T2 IS
  68           BEGIN
  69                ACCEPT E1 DO
  70                     ABORT  T1;
  71                     ACCEPT E2;     -- NOTE CALLER REMAINS IN RENDEVOUS
  72                     ACCEPT E2;     -- UNTIL TWO ENTRY CALLS ACCEPTED
  73                END E1;
  74           END T2;
  75      BEGIN
  76           T2.E2;    -- ONLY ACCEPTED AFTER T1 HAS BEEN ABORTED.
  77           ABORT T1; -- T1 IS ABNORMAL BECAUSE IT IS STILL IN RENDEVOUS.
  78           IF T1'CALLABLE THEN
  79                FAILED ("T1 CALLABLE AFTER BEING ABORTED");
  80           END IF;
  81           IF T1'TERMINATED THEN
  82                FAILED ("T1 TERMINATED ALTHOUGH IN RENDEVOUS");
  83           END IF;
  84           T2.E2; -- T1'S RENDEVOUS CAN NOW COMPLETE; T1 CAN TERMINATE.
  85      END;
  86
  87      RESULT;
  88
  89 END C9A010A;