| -- CB1010A.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 STORAGE_ERROR IS RAISED WHEN STORAGE ALLOCATED TO A TASK |
| -- IS EXCEEDED. |
| |
| -- PNH 8/26/85 |
| -- JRK 8/30/85 |
| |
| WITH REPORT; USE REPORT; |
| |
| PROCEDURE CB1010A IS |
| |
| N : INTEGER := IDENT_INT (1); |
| M : INTEGER := IDENT_INT (0); |
| |
| PROCEDURE OVERFLOW_STACK IS |
| A : ARRAY (1 .. 1000) OF INTEGER; |
| BEGIN |
| N := N + M; |
| A (N) := M; |
| IF N > M THEN -- ALWAYS TRUE. |
| OVERFLOW_STACK; |
| END IF; |
| M := A (N); -- TO PREVENT TAIL RECURSION OPTIMIZATION. |
| END OVERFLOW_STACK; |
| |
| BEGIN |
| TEST ("CB1010A", "CHECK THAT STORAGE_ERROR IS RAISED WHEN " & |
| "STORAGE ALLOCATED TO A TASK IS EXCEEDED"); |
| |
| -------------------------------------------------- |
| |
| COMMENT ("CHECK TASKS THAT DO NOT HANDLE STORAGE_ERROR " & |
| "PRIOR TO RENDEZVOUS"); |
| |
| DECLARE |
| |
| TASK T1 IS |
| ENTRY E1; |
| END T1; |
| |
| TASK BODY T1 IS |
| BEGIN |
| OVERFLOW_STACK; |
| FAILED ("TASK T1 NOT TERMINATED BY STACK OVERFLOW"); |
| END T1; |
| |
| BEGIN |
| |
| T1.E1; |
| FAILED ("NO EXCEPTION RAISED BY ENTRY CALL T1.E1"); |
| |
| EXCEPTION |
| WHEN TASKING_ERROR => |
| IF N /= 1 OR M /= 0 THEN |
| FAILED ("VALUES OF VARIABLES N OR M ALTERED - 1"); |
| END IF; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED BY CALL OF ENTRY E1 " & |
| "OF TERMINATED TASK T1"); |
| END; |
| |
| -------------------------------------------------- |
| |
| COMMENT ("CHECK TASKS THAT DO HANDLE STORAGE_ERROR PRIOR TO " & |
| "RENDEZVOUS"); |
| |
| N := IDENT_INT (1); |
| M := IDENT_INT (0); |
| |
| DECLARE |
| |
| TASK T2 IS |
| ENTRY E2; |
| END T2; |
| |
| TASK BODY T2 IS |
| BEGIN |
| OVERFLOW_STACK; |
| FAILED ("EXCEPTION NOT RAISED BY STACK OVERFLOW IN " & |
| "TASK T2"); |
| EXCEPTION |
| WHEN STORAGE_ERROR => |
| ACCEPT E2; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED IN TASK T2 BY " & |
| "STACK OVERFLOW"); |
| END T2; |
| |
| BEGIN |
| |
| T2.E2; |
| IF N /= 1 OR M /= 0 THEN |
| FAILED ("VALUES OF VARIABLES N OR M ALTERED - 2"); |
| END IF; |
| |
| EXCEPTION |
| WHEN OTHERS => |
| FAILED ("EXCEPTION RAISED BY ENTRY CALL T2.E2"); |
| ABORT T2; |
| END; |
| |
| -------------------------------------------------- |
| |
| COMMENT ("CHECK TASKS THAT DO NOT HANDLE STORAGE_ERROR " & |
| "DURING RENDEZVOUS"); |
| |
| N := IDENT_INT (1); |
| M := IDENT_INT (0); |
| |
| DECLARE |
| |
| TASK T3 IS |
| ENTRY E3A; |
| ENTRY E3B; |
| END T3; |
| |
| TASK BODY T3 IS |
| BEGIN |
| ACCEPT E3A DO |
| OVERFLOW_STACK; |
| FAILED ("EXCEPTION NOT RAISED IN ACCEPT E3A BY " & |
| "STACK OVERFLOW"); |
| END E3A; |
| FAILED ("EXCEPTION NOT PROPOGATED CORRECTLY IN TASK T3"); |
| EXCEPTION |
| WHEN STORAGE_ERROR => |
| ACCEPT E3B; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED IN TASK T3 BY " & |
| "STACK OVERFLOW"); |
| END T3; |
| |
| BEGIN |
| |
| T3.E3A; |
| FAILED ("NO EXCEPTION RAISED BY ENTRY CALL T3.E3A"); |
| |
| EXCEPTION |
| WHEN STORAGE_ERROR => |
| T3.E3B; |
| IF N /= 1 OR M /= 0 THEN |
| FAILED ("VALUES OF VARIABLES N OR M ALTERED - 3"); |
| END IF; |
| WHEN TASKING_ERROR => |
| FAILED ("TASKING_ERROR RAISED BY ENTRY CALL T3.E3A " & |
| "INSTEAD OF STORAGE_ERROR"); |
| ABORT T3; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED BY ENTRY CALL T3.E3A"); |
| ABORT T3; |
| END; |
| |
| -------------------------------------------------- |
| |
| RESULT; |
| END CB1010A; |