| -- C9A009A.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 |
| |
| -- CALLING TASK IN RENDEVOUS IS NAMED IN ABORT STATEMENT. |
| |
| -- JEAN-PIERRE ROSEN 09 MARCH 1984 |
| -- JBG 6/1/84 |
| -- JWC 6/28/85 RENAMED FROM C9A009D-B.ADA |
| |
| WITH SYSTEM; USE SYSTEM; |
| WITH REPORT; USE REPORT; |
| PROCEDURE C9A009A IS |
| |
| BEGIN |
| |
| TEST("C9A009A", "CALLING TASK IS ABORTED DIRECTLY"); |
| |
| DECLARE |
| -- T1 CALLS T2, WHICH ABORTS T1 WHILE IN RENDEVOUS |
| |
| T2_CONTINUED : BOOLEAN := FALSE; |
| |
| TASK CONTINUED IS |
| ENTRY GET (T2_CONTINUED : OUT BOOLEAN); |
| ENTRY PUT (T2_CONTINUED : IN BOOLEAN); |
| END CONTINUED; |
| |
| TASK BODY CONTINUED IS |
| CONTINUED : BOOLEAN := FALSE; |
| BEGIN |
| LOOP |
| SELECT |
| ACCEPT GET (T2_CONTINUED : OUT BOOLEAN) DO |
| T2_CONTINUED := CONTINUED; |
| END GET; |
| OR |
| ACCEPT PUT (T2_CONTINUED : IN BOOLEAN) DO |
| CONTINUED := T2_CONTINUED; |
| END PUT; |
| OR |
| TERMINATE; |
| END SELECT; |
| END LOOP; |
| END CONTINUED; |
| |
| BEGIN -- THIS BLOCK WILL MAKE SURE T2 IS TERMINATED, AND SO, |
| -- T2_CONTINUED IS ASSIGNED A VALUE IF T2 CONTINUES |
| -- EXECUTION CORRECTLY. |
| |
| DECLARE |
| |
| TASK T1; |
| |
| TASK T2 IS |
| ENTRY E1; |
| END T2; |
| |
| TASK BODY T1 IS |
| BEGIN |
| T2.E1; |
| FAILED ("T1 NOT ABORTED"); |
| EXCEPTION |
| WHEN TASKING_ERROR => |
| FAILED ("TASKING_ERROR RAISED IN T1"); |
| WHEN OTHERS => |
| FAILED ("OTHER EXCEPTION RAISED - T1"); |
| END T1; |
| |
| TASK BODY T2 IS |
| BEGIN |
| ACCEPT E1 DO |
| ABORT T1; |
| ABORT T1; |
| ABORT T1; -- WHY NOT? |
| IF T1'TERMINATED THEN |
| FAILED ("T1 PREMATURELY TERMINATED"); |
| END IF; |
| END E1; |
| CONTINUED.PUT (T2_CONTINUED => TRUE); |
| END T2; |
| BEGIN |
| NULL; |
| END; |
| -- T2 NOW TERMINATED |
| CONTINUED.GET (T2_CONTINUED); |
| IF NOT T2_CONTINUED THEN |
| FAILED ("WHEN CALLER WAS ABORTED IN RENDEVOUS, CALLED " & |
| "TASK DID NOT CONTINUE"); |
| END IF; |
| END; |
| |
| RESULT; |
| |
| END C9A009A; |