| -- C9A007A.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 A TASK MAY ABORT A TASK IT DEPENDS ON. |
| |
| |
| -- RM 5/26/82 |
| -- RM 7/02/82 |
| -- SPS 11/21/82 |
| -- JBG 2/27/84 |
| -- JBG 3/8/84 |
| -- PWN 11/30/94 REMOVED PRAGMA PRIORITY INSTANCES FOR ADA 9X. |
| -- EDS 08/04/98 ENSURE THAT ABORTED TASKS HAVE TIME TO EFFECT THEIR ABORTIONS. |
| |
| WITH IMPDEF; |
| WITH REPORT; USE REPORT; |
| WITH SYSTEM; USE SYSTEM; |
| PROCEDURE C9A007A IS |
| |
| TASK_NOT_ABORTED : BOOLEAN := FALSE; |
| TEST_VALID : BOOLEAN := TRUE ; |
| |
| BEGIN |
| |
| |
| ------------------------------------------------------------------- |
| |
| |
| TEST ( "C9A007A" , "CHECK THAT A TASK MAY ABORT A TASK" & |
| " IT DEPENDS ON" ); |
| |
| |
| DECLARE |
| |
| |
| TASK REGISTER IS |
| |
| |
| ENTRY BIRTHS_AND_DEATHS; |
| |
| ENTRY SYNC1; |
| ENTRY SYNC2; |
| |
| |
| END REGISTER; |
| |
| |
| TASK BODY REGISTER IS |
| |
| |
| TASK TYPE SECONDARY IS |
| |
| |
| ENTRY WAIT_INDEFINITELY; |
| |
| END SECONDARY; |
| |
| |
| TASK TYPE T_TYPE1 IS |
| |
| |
| ENTRY E; |
| |
| END T_TYPE1; |
| |
| |
| TASK TYPE T_TYPE2 IS |
| |
| |
| ENTRY E; |
| |
| END T_TYPE2; |
| |
| |
| T_OBJECT1 : T_TYPE1; |
| T_OBJECT2 : T_TYPE2; |
| |
| |
| TASK BODY SECONDARY IS |
| BEGIN |
| SYNC1; |
| ABORT T_OBJECT1; |
| DELAY 0.0; |
| TASK_NOT_ABORTED := TRUE; |
| END SECONDARY; |
| |
| |
| TASK BODY T_TYPE1 IS |
| |
| TYPE ACCESS_TO_TASK IS ACCESS SECONDARY; |
| |
| BEGIN |
| |
| |
| DECLARE |
| DEPENDENT_BY_ACCESS : ACCESS_TO_TASK := |
| NEW SECONDARY ; |
| BEGIN |
| NULL; |
| END; |
| |
| |
| BIRTHS_AND_DEATHS; |
| -- DURING THIS SUSPENSION |
| -- MOST OF THE TASKS |
| -- ARE ABORTED (FIRST |
| -- TASK #1 -- T_OBJECT1 -- |
| -- THEN #2 ). |
| |
| |
| TASK_NOT_ABORTED := TRUE; |
| |
| |
| END T_TYPE1; |
| |
| |
| TASK BODY T_TYPE2 IS |
| |
| TASK INNER_TASK IS |
| |
| |
| ENTRY WAIT_INDEFINITELY; |
| |
| END INNER_TASK; |
| |
| TASK BODY INNER_TASK IS |
| BEGIN |
| SYNC2; |
| ABORT T_OBJECT2; |
| DELAY 0.0; |
| TASK_NOT_ABORTED := TRUE; |
| END INNER_TASK; |
| |
| BEGIN |
| |
| |
| BIRTHS_AND_DEATHS; |
| -- DURING THIS SUSPENSION |
| -- MOST OF THE TASKS |
| -- ARE ABORTED (FIRST |
| -- TASK #1 -- T_OBJECT1 -- |
| -- THEN #2 ). |
| |
| |
| TASK_NOT_ABORTED := TRUE; |
| |
| |
| END T_TYPE2; |
| |
| |
| BEGIN |
| |
| DECLARE |
| OLD_COUNT : INTEGER := 0; |
| BEGIN |
| |
| |
| FOR I IN 1..5 LOOP |
| EXIT WHEN BIRTHS_AND_DEATHS'COUNT = 2; |
| DELAY 10.0 * Impdef.One_Second; |
| END LOOP; |
| |
| OLD_COUNT := BIRTHS_AND_DEATHS'COUNT; |
| |
| IF OLD_COUNT = 2 THEN |
| |
| ACCEPT SYNC1; -- ALLOWING ABORT#1 |
| |
| DELAY IMPDEF.CLEAR_READY_QUEUE; |
| |
| -- CHECK THAT #1 WAS ABORTED - 3 WAYS: |
| |
| BEGIN |
| T_OBJECT1.E; |
| FAILED( "T_OBJECT1.E DID NOT RAISE" & |
| " TASKING_ERROR" ); |
| EXCEPTION |
| |
| WHEN TASKING_ERROR => |
| NULL; |
| |
| WHEN OTHERS => |
| FAILED("OTHER EXCEPTION RAISED - 1"); |
| |
| END; |
| |
| IF T_OBJECT1'CALLABLE THEN |
| FAILED( "T_OBJECT1'CALLABLE = TRUE" ); |
| END IF; |
| |
| IF OLD_COUNT - BIRTHS_AND_DEATHS'COUNT /= 1 |
| THEN |
| FAILED( "TASK#1 NOT REMOVED FROM QUEUE" ); |
| END IF; |
| |
| |
| OLD_COUNT := BIRTHS_AND_DEATHS'COUNT; |
| |
| |
| ACCEPT SYNC2; -- ALLOWING ABORT#2 |
| |
| DELAY IMPDEF.CLEAR_READY_QUEUE; |
| |
| -- CHECK THAT #2 WAS ABORTED - 3 WAYS: |
| |
| BEGIN |
| T_OBJECT2.E; |
| FAILED( "T_OBJECT2.E DID NOT RAISE" & |
| " TASKING_ERROR" ); |
| EXCEPTION |
| |
| WHEN TASKING_ERROR => |
| NULL; |
| |
| WHEN OTHERS => |
| FAILED("OTHER EXCEPTION RAISED - 2"); |
| |
| END; |
| |
| IF T_OBJECT2'CALLABLE THEN |
| FAILED( "T_OBJECT2'CALLABLE = TRUE" ); |
| END IF; |
| |
| IF OLD_COUNT - BIRTHS_AND_DEATHS'COUNT /= 1 |
| THEN |
| FAILED( "TASK#2 NOT REMOVED FROM QUEUE" ); |
| END IF; |
| |
| |
| IF BIRTHS_AND_DEATHS'COUNT /= 0 THEN |
| FAILED( "SOME TASKS STILL QUEUED" ); |
| END IF; |
| |
| |
| ELSE |
| |
| COMMENT( "LINEUP NOT COMPLETE (AFTER 50 S.)" ); |
| TEST_VALID := FALSE; |
| |
| END IF; |
| |
| |
| END; |
| |
| |
| WHILE BIRTHS_AND_DEATHS'COUNT > 0 LOOP |
| ACCEPT BIRTHS_AND_DEATHS; |
| END LOOP; |
| |
| |
| END REGISTER; |
| |
| |
| BEGIN |
| |
| NULL; |
| |
| END; |
| |
| |
| ------------------------------------------------------------------- |
| |
| |
| IF TEST_VALID AND TASK_NOT_ABORTED THEN |
| FAILED( "SOME TASKS NOT ABORTED" ); |
| END IF; |
| |
| |
| RESULT; |
| |
| |
| END C9A007A; |
