| -- C9A010A.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. |
| --* |
| -- TEST ABORT DURING RENDEZVOUS |
| |
| -- ABORTING AN ABNORMAL (NOT YET TERMINATED) TASK. |
| |
| -- JEAN-PIERRE ROSEN 09 MARCH 1984 |
| -- JBG 6/1/84 |
| -- JWC 6/28/85 RENAMED FROM C9A009E-B.ADA |
| -- PWN 01/31/95 REMOVED PRAGMA PRIORITY FOR ADA 9X. |
| |
| WITH SYSTEM; USE SYSTEM; |
| WITH REPORT; USE REPORT; |
| PROCEDURE C9A010A IS |
| |
| BEGIN |
| |
| TEST("C9A010A", "ABORTING AN ABNORMAL TASK"); |
| |
| DECLARE |
| -- T1 CALLS T2. WHILE IN RENDEVOUS, T2 ABORTS T1 AND WAITS FOR A |
| -- CALL FROM THE MAIN PROGRAM. WHEN THE CALL IS ACCEPTED, THE MAIN |
| -- PROGRAM AGAIN ABORTS T1, WHICH IS NOW ABNORMAL, SINCE T1 HAS NOT |
| -- YET COMPLETED ITS RENDEVOUS WITH T2. |
| |
| TASK T1 IS |
| END T1; |
| |
| TASK T2 IS |
| ENTRY E1; |
| ENTRY E2; |
| END T2; |
| |
| TASK BODY T1 IS |
| BEGIN |
| T2.E1; |
| FAILED("T1 NOT ABORTED"); |
| EXCEPTION |
| WHEN TASKING_ERROR => |
| FAILED ("TASKING_ERROR IN T1"); |
| WHEN OTHERS => |
| FAILED ("OTHER EXCEPTION IN T1"); |
| END T1; |
| |
| TASK BODY T2 IS |
| BEGIN |
| ACCEPT E1 DO |
| ABORT T1; |
| ACCEPT E2; -- NOTE CALLER REMAINS IN RENDEVOUS |
| ACCEPT E2; -- UNTIL TWO ENTRY CALLS ACCEPTED |
| END E1; |
| END T2; |
| BEGIN |
| T2.E2; -- ONLY ACCEPTED AFTER T1 HAS BEEN ABORTED. |
| ABORT T1; -- T1 IS ABNORMAL BECAUSE IT IS STILL IN RENDEVOUS. |
| IF T1'CALLABLE THEN |
| FAILED ("T1 CALLABLE AFTER BEING ABORTED"); |
| END IF; |
| IF T1'TERMINATED THEN |
| FAILED ("T1 TERMINATED ALTHOUGH IN RENDEVOUS"); |
| END IF; |
| T2.E2; -- T1'S RENDEVOUS CAN NOW COMPLETE; T1 CAN TERMINATE. |
| END; |
| |
| RESULT; |
| |
| END C9A010A; |