| -- C93005B.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 WHEN AN EXCEPTION IS RAISED IN A DECLARATIVE PART, A TASK |
| -- DECLARED IN THE SAME DECLARATIVE PART BECOMES TERMINATED. |
| |
| -- CHECK THAT A TASK WAITING ON ENTRIES OF SUCH A |
| -- TERMINATED-BEFORE-ACTIVATION TASK RECEIVES TASKING_ERROR. |
| |
| -- THIS TEST CHECKS THE CASE IN WHICH SEVERAL TASKS ARE WAITING FOR |
| -- ACTIVATION WHEN THE EXCEPTION OCCURS. |
| |
| -- R. WILLIAMS 8/7/86 |
| -- PWN 11/30/94 REMOVED PRAGMA PRIORITY INSTANCES FOR ADA 9X. |
| |
| WITH SYSTEM; USE SYSTEM; |
| WITH REPORT; USE REPORT; |
| |
| PROCEDURE C93005B IS |
| |
| |
| BEGIN |
| TEST ( "C93005B", "CHECK THAT WHEN AN EXCEPTION IS RAISED IN A " & |
| "DECLARATIVE PART, A TASK DECLARED IN THE " & |
| "SAME DECLARATIVE PART BECOMES TERMINATED. " & |
| "IN THIS CASE, SEVERAL TASKS ARE WAITING FOR " & |
| "ACTIVATION WHEN THE EXCEPTION OCCURS" ); |
| |
| BEGIN |
| |
| DECLARE |
| TASK TYPE TA IS -- CHECKS THAT TX TERMINATES. |
| END TA; |
| |
| TYPE ATA IS ACCESS TA; |
| |
| TASK TYPE TB IS -- CHECKS THAT TY TERMINATES. |
| END TB; |
| |
| TYPE TBREC IS |
| RECORD |
| TTB: TB; |
| END RECORD; |
| |
| TASK TX IS -- WILL NEVER BE ACTIVATED. |
| ENTRY E; |
| END TX; |
| |
| TASK BODY TA IS |
| BEGIN |
| DECLARE -- THIS BLOCK TO CHECK THAT TAB |
| -- TERMINATES. |
| TASK TAB IS |
| END TAB; |
| |
| TASK BODY TAB IS |
| BEGIN |
| TX.E; |
| FAILED ( "RENDEZVOUS COMPLETED " & |
| "WITHOUT ERROR - TAB" ); |
| EXCEPTION |
| WHEN TASKING_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ( "ABNORMAL EXCEPTION " & |
| "- TAB" ); |
| END TAB; |
| BEGIN |
| NULL; |
| END; |
| |
| TX.E; --TX IS NOW TERMINATED. |
| |
| FAILED ( "RENDEZVOUS COMPLETED WITHOUT ERROR " & |
| "- TA" ); |
| |
| EXCEPTION |
| WHEN TASKING_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ( "ABNORMAL EXCEPTION - TA" ); |
| END TA; |
| |
| PACKAGE RAISE_IT IS |
| TASK TY IS -- WILL NEVER BE ACTIVATED. |
| ENTRY E; |
| END TY; |
| END RAISE_IT; |
| |
| TASK BODY TB IS |
| BEGIN |
| DECLARE -- THIS BLOCK TO CHECK THAT TBB |
| -- TERMINATES. |
| TASK TBB IS |
| END TBB; |
| |
| TASK BODY TBB IS |
| BEGIN |
| RAISE_IT.TY.E; |
| FAILED ( "RENDEZVOUS COMPLETED " & |
| "WITHOUT ERROR - TBB" ); |
| EXCEPTION |
| WHEN TASKING_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ( "ABNORMAL EXCEPTION " & |
| "- TBB" ); |
| END TBB; |
| BEGIN |
| NULL; |
| END; |
| |
| RAISE_IT.TY.E; -- TY IS NOW TERMINATED. |
| |
| FAILED ( "RENDEZVOUS COMPLETED WITHOUT ERROR " & |
| "- TB" ); |
| |
| EXCEPTION |
| WHEN TASKING_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ( "ABNORMAL EXCEPTION - TB" ); |
| END TB; |
| |
| PACKAGE START_TC IS END START_TC; |
| |
| TASK BODY TX IS |
| BEGIN |
| FAILED ( "TX ACTIVATED" ); |
| -- IN CASE OF FAILURE. |
| LOOP |
| SELECT |
| ACCEPT E; |
| OR |
| TERMINATE; |
| END SELECT; |
| END LOOP; |
| END TX; |
| |
| PACKAGE START_TZ IS |
| TASK TZ IS -- WILL NEVER BE ACTIVATED. |
| ENTRY E; |
| END TZ; |
| END START_TZ; |
| |
| PACKAGE BODY START_TC IS |
| TBREC1 : TBREC; -- CHECKS THAT TY TERMINATES. |
| |
| TASK TC IS -- CHECKS THAT TZ TERMINATES. |
| END TC; |
| |
| TASK BODY TC IS |
| BEGIN |
| DECLARE -- THIS BLOCK TO CHECK THAT TCB |
| -- TERMINATES. |
| |
| TASK TCB IS |
| END TCB; |
| |
| TASK BODY TCB IS |
| BEGIN |
| START_TZ.TZ.E; |
| FAILED ( "RENDEZVOUS COMPLETED " & |
| "WITHOUT " & |
| "ERROR - TCB" ); |
| EXCEPTION |
| WHEN TASKING_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ( "ABNORMAL " & |
| "EXCEPTION - TCB" ); |
| END TCB; |
| BEGIN |
| NULL; |
| END; |
| |
| START_TZ.TZ.E; -- TZ IS NOW TERMINATED. |
| |
| FAILED ( "RENDEZVOUS COMPLETED WITHOUT " & |
| "ERROR - TC" ); |
| |
| EXCEPTION |
| WHEN TASKING_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ( "ABNORMAL EXCEPTION - TC" ); |
| END TC; |
| END START_TC; -- TBREC1 AND TC ACTIVATED HERE. |
| |
| PACKAGE BODY RAISE_IT IS |
| NTA : ATA := NEW TA; -- NTA.ALL ACTIVATED HERE. |
| |
| TASK BODY TY IS |
| BEGIN |
| FAILED ( "TY ACTIVATED" ); |
| -- IN CASE OF FAILURE. |
| LOOP |
| SELECT |
| ACCEPT E; |
| OR |
| TERMINATE; |
| END SELECT; |
| END LOOP; |
| END TY; |
| |
| PACKAGE XCEPTION IS |
| I : POSITIVE := IDENT_INT (0); -- RAISE |
| -- CONSTRAINT_ERROR. |
| END XCEPTION; |
| |
| USE XCEPTION; |
| |
| BEGIN -- TY WOULD BE ACTIVATED HERE. |
| |
| IF I /= IDENT_INT (2) OR I = IDENT_INT (1) + 1 THEN |
| FAILED ( "PACKAGE DIDN'T RAISE EXCEPTION" ); |
| END IF; |
| END RAISE_IT; |
| |
| PACKAGE BODY START_TZ IS |
| TASK BODY TZ IS |
| BEGIN |
| FAILED ( "TZ ACTIVATED" ); |
| -- IN CASE OF FAILURE. |
| LOOP |
| SELECT |
| ACCEPT E; |
| OR |
| TERMINATE; |
| END SELECT; |
| END LOOP; |
| END TZ; |
| END START_TZ; -- TZ WOULD BE ACTIVATED HERE. |
| |
| BEGIN -- TX WOULD BE ACTIVATED HERE. |
| -- CAN'T LEAVE BLOCK UNTIL TA, TB, AND TC ARE TERM. |
| |
| FAILED ( "EXCEPTION NOT RAISED" ); |
| END; |
| |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN TASKING_ERROR => |
| FAILED ( "TASKING_ERROR IN MAIN PROGRAM" ); |
| WHEN OTHERS => |
| FAILED ( "ABNORMAL EXCEPTION IN MAIN" ); |
| END; |
| |
| RESULT; |
| |
| END C93005B; |
