| -- C95040C.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. |
| --* |
| -- CHECKS THAT A TASK COMPLETED, BUT NOT TERMINATED (I.E. WAITING |
| -- FOR TERMINATION OF A DEPENDENT TASK) IS NEITHER 'TERMINATED NOR |
| -- 'CALLABLE. CALLS TO ENTRIES BELONGING TO SUCH A TASK RAISE |
| -- TASKING_ERROR. |
| |
| -- J.P. ROSEN, ADA PROJECT, NYU |
| -- JBG 6/1/84 |
| -- JWC 6/28/85 RENAMED FROM C9A009A-B.ADA |
| -- PWN 9/11/94 REMOVED PRAGMA PRIORITY FOR ADA 9X |
| |
| WITH REPORT; USE REPORT; |
| WITH SYSTEM; USE SYSTEM; |
| PROCEDURE C95040C IS |
| BEGIN |
| |
| TEST ("C95040C", "TASKING_ERROR RAISED WHEN CALLING COMPLETED " & |
| "BUT UNTERMINATED TASK"); |
| |
| DECLARE |
| |
| TASK T1 IS |
| ENTRY E; |
| END T1; |
| |
| TASK BODY T1 IS |
| |
| TASK T2 IS |
| END T2; |
| |
| TASK BODY T2 IS |
| BEGIN |
| COMMENT ("BEGIN T2"); |
| T1.E; -- T1 WILL COMPLETE BEFORE THIS CALL |
| -- OR WHILE WAITING FOR THIS CALL TO |
| -- BE ACCEPTED. WILL DEADLOCK IF |
| -- TASKING_ERROR IS NOT RAISED. |
| FAILED ("NO TASKING_ERROR RAISED"); |
| EXCEPTION |
| WHEN TASKING_ERROR => |
| IF T1'CALLABLE THEN |
| FAILED ("T1 STILL CALLABLE"); |
| END IF; |
| |
| IF T1'TERMINATED THEN -- T1 CAN'T TERMINATE |
| -- UNTIL T2 HAS |
| -- TERMINATED. |
| FAILED ("T1 TERMINATED"); |
| END IF; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION"); |
| END T2; |
| BEGIN |
| NULL; |
| END; |
| |
| BEGIN |
| NULL; |
| END; |
| |
| RESULT; |
| |
| END C95040C; |