| -- C94002G.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. |
| --* |
| -- OBJECTIVE: |
| -- CHECK THAT A NON-MASTER UNIT, WHICH ALLOCATES TASKS OF A GLOBAL |
| -- ACCESS TYPE, MUST TERMINATE WITHOUT WAITING FOR THE ALLOCATED |
| -- TASKS TO TERMINATE IF AN EXCEPTION IS RAISED BUT NOT HANDLED IN |
| -- THE NON-MASTER UNIT. |
| |
| -- SUBTESTS ARE: |
| -- (A) A SIMPLE TASK ALLOCATOR, IN A BLOCK. |
| -- (B) A RECORD OF TASK ALLOCATOR, IN A SUBPROGRAM. |
| -- (C) A RECORD OF ARRAY OF TASK ALLOCATOR, IN A TASK BODY, NOT |
| -- DURING RENDEZVOUS. |
| -- (D) A LIMITED PRIVATE TASK ALLOCATOR, IN A TASK BODY, DURING |
| -- RENDEZVOUS. |
| |
| -- HISTORY: |
| -- TBN 01/20/86 CREATED ORIGINAL TEST. |
| -- JRK 05/01/86 IMPROVED ERROR RECOVERY. FIXED EXCEPTION |
| -- HANDLING. ADDED CASE (D). |
| -- BCB 09/24/87 ADDED A RETURN STATEMENT TO THE HANDLER FOR OTHERS |
| -- IN FUNCTION F, CASE B. |
| -- PWN 09/11/94 REMOVED PRAGMA PRIORITY FOR ADA 9X. |
| |
| with Impdef; |
| WITH REPORT; USE REPORT; |
| WITH SYSTEM; USE SYSTEM; |
| PROCEDURE C94002G IS |
| |
| MY_EXCEPTION : EXCEPTION; |
| |
| TASK TYPE TT IS |
| ENTRY E; |
| END TT; |
| |
| TASK BODY TT IS |
| BEGIN |
| ACCEPT E; |
| ACCEPT E; |
| END TT; |
| |
| |
| BEGIN |
| TEST ("C94002G", "CHECK THAT A NON-MASTER UNIT, WHICH ALLOCATES " & |
| "TASKS OF A GLOBAL ACCESS TYPE, MUST TERMINATE " & |
| "WITHOUT WAITING FOR THE ALLOCATED TASKS TO " & |
| "TERMINATE IF AN EXCEPTION IS RAISED BUT NOT " & |
| "HANDLED IN THE NON-MASTER UNIT"); |
| |
| -------------------------------------------------- |
| |
| DECLARE -- (A) |
| |
| TYPE A_T IS ACCESS TT; |
| A1 : A_T; |
| |
| BEGIN -- (A) |
| |
| DECLARE |
| A2 : A_T; |
| BEGIN |
| A2 := NEW TT; |
| A2.ALL.E; |
| A1 := A2; |
| RAISE MY_EXCEPTION; |
| FAILED ("MY_EXCEPTION WAS NOT RAISED IN (A)"); |
| END; |
| |
| ABORT A1.ALL; |
| |
| EXCEPTION |
| WHEN MY_EXCEPTION => |
| IF A1.ALL'TERMINATED THEN |
| FAILED ("ALLOCATED TASK PREMATURELY TERMINATED - " & |
| "(A)"); |
| ELSE A1.ALL.E; |
| END IF; |
| WHEN OTHERS => |
| FAILED ("UNEXPECTED EXCEPTION IN (A)"); |
| IF A1 /= NULL THEN |
| ABORT A1.ALL; |
| END IF; |
| END; -- (A) |
| |
| -------------------------------------------------- |
| |
| DECLARE -- (B) |
| |
| I : INTEGER; |
| |
| FUNCTION F RETURN INTEGER IS |
| |
| TYPE RT IS |
| RECORD |
| T : TT; |
| END RECORD; |
| TYPE ART IS ACCESS RT; |
| AR1 : ART; |
| |
| PROCEDURE P IS |
| AR2 : ART; |
| BEGIN |
| AR2 := NEW RT; |
| AR2.T.E; |
| AR1 := AR2; |
| RAISE MY_EXCEPTION; |
| FAILED ("MY_EXCEPTION WAS NOT RAISED IN (B)"); |
| END P; |
| |
| BEGIN |
| P; |
| ABORT AR1.T; |
| RETURN 0; |
| EXCEPTION |
| WHEN MY_EXCEPTION => |
| IF AR1.T'TERMINATED THEN |
| FAILED ("ALLOCATED TASK PREMATURELY " & |
| "TERMINATED - (B)"); |
| ELSE AR1.T.E; |
| END IF; |
| RETURN 0; |
| WHEN OTHERS => |
| FAILED ("UNEXPECTED EXCEPTION IN (B)"); |
| IF AR1 /= NULL THEN |
| ABORT AR1.T; |
| END IF; |
| RETURN 0; |
| END F; |
| |
| BEGIN -- (B) |
| |
| I := F; |
| |
| END; -- (B) |
| |
| -------------------------------------------------- |
| |
| DECLARE -- (C) |
| |
| LOOP_COUNT : INTEGER := 0; |
| CUT_OFF : CONSTANT := 60; -- DELAY. |
| |
| TASK TSK IS |
| ENTRY ENT; |
| END TSK; |
| |
| TASK BODY TSK IS |
| |
| LOOP_COUNT1 : INTEGER := 0; |
| CUT_OFF1 : CONSTANT := 60; -- DELAY. |
| |
| TYPE RAT; |
| TYPE ARAT IS ACCESS RAT; |
| TYPE ARR IS ARRAY (1..1) OF TT; |
| TYPE RAT IS |
| RECORD |
| A : ARAT; |
| T : ARR; |
| END RECORD; |
| ARA1 : ARAT; |
| |
| TASK TSK1 IS |
| ENTRY ENT1 (ARA : OUT ARAT); |
| END TSK1; |
| |
| TASK BODY TSK1 IS |
| ARA2 : ARAT; |
| BEGIN |
| ARA2 := NEW RAT; -- INITIATE TASK ARA2.T(1). |
| ARA2.T(1).E; |
| ACCEPT ENT1 (ARA : OUT ARAT) DO |
| ARA := ARA2; |
| END ENT1; |
| RAISE MY_EXCEPTION; -- NOT PROPOGATED. |
| FAILED ("MY_EXCEPTION WAS NOT RAISED IN (C)"); |
| END TSK1; |
| |
| BEGIN |
| TSK1.ENT1 (ARA1); -- ARA1.T BECOMES ALIAS FOR ARA2.T. |
| |
| WHILE NOT TSK1'TERMINATED AND LOOP_COUNT1 < CUT_OFF1 LOOP |
| DELAY 1.0 * Impdef.One_Second; |
| LOOP_COUNT1 := LOOP_COUNT1 + 1; |
| END LOOP; |
| |
| IF LOOP_COUNT1 >= CUT_OFF1 THEN |
| FAILED ("DEPENDENT TASK TSK1 NOT TERMINATED " & |
| "WITHIN ONE MINUTE - (C)"); |
| END IF; |
| |
| IF ARA1.T(1)'TERMINATED THEN |
| FAILED ("ALLOCATED TASK PREMATURELY TERMINATED " & |
| "- (C)"); |
| ELSE ARA1.T(1).E; |
| END IF; |
| END TSK; |
| |
| BEGIN -- (C) |
| |
| WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP |
| DELAY 2.0 * Impdef.One_Second; |
| LOOP_COUNT := LOOP_COUNT + 1; |
| END LOOP; |
| |
| IF LOOP_COUNT >= CUT_OFF THEN |
| FAILED ("DEPENDENT TASK TSK NOT TERMINATED WITHIN " & |
| "TWO MINUTES - (C)"); |
| END IF; |
| |
| END; -- (C) |
| |
| -------------------------------------------------- |
| |
| DECLARE -- (D) |
| |
| LOOP_COUNT : INTEGER := 0; |
| CUT_OFF : CONSTANT := 60; -- DELAY. |
| |
| TASK TSK IS |
| ENTRY ENT; |
| END TSK; |
| |
| TASK BODY TSK IS |
| |
| LOOP_COUNT1 : INTEGER := 0; |
| CUT_OFF1 : CONSTANT := 60; -- DELAY. |
| |
| PACKAGE PKG IS |
| TYPE LPT IS LIMITED PRIVATE; |
| PROCEDURE CALL (X : LPT); |
| PROCEDURE KILL (X : LPT); |
| FUNCTION TERMINATED (X : LPT) RETURN BOOLEAN; |
| PRIVATE |
| TYPE LPT IS NEW TT; |
| END PKG; |
| |
| USE PKG; |
| |
| TYPE ALPT IS ACCESS LPT; |
| ALP1 : ALPT; |
| |
| PACKAGE BODY PKG IS |
| PROCEDURE CALL (X : LPT) IS |
| BEGIN |
| X.E; |
| END CALL; |
| |
| PROCEDURE KILL (X : LPT) IS |
| BEGIN |
| ABORT X; |
| END KILL; |
| |
| FUNCTION TERMINATED (X : LPT) RETURN BOOLEAN IS |
| BEGIN |
| RETURN X'TERMINATED; |
| END TERMINATED; |
| END PKG; |
| |
| TASK TSK1 IS |
| ENTRY ENT1 (ALP : OUT ALPT); |
| ENTRY DIE; |
| END TSK1; |
| |
| TASK BODY TSK1 IS |
| ALP2 : ALPT; |
| BEGIN |
| ALP2 := NEW LPT; -- INITIATE TASK ALP2.ALL. |
| CALL (ALP2.ALL); |
| ACCEPT ENT1 (ALP : OUT ALPT) DO |
| ALP := ALP2; |
| END ENT1; |
| ACCEPT DIE DO |
| RAISE MY_EXCEPTION; -- PROPOGATED. |
| FAILED ("MY_EXCEPTION WAS NOT RAISED IN (D)"); |
| END DIE; |
| END TSK1; |
| |
| BEGIN |
| TSK1.ENT1 (ALP1); -- ALP1.ALL BECOMES ALIAS FOR ALP2.ALL. |
| TSK1.DIE; |
| FAILED ("MY_EXCEPTION WAS NOT PROPOGATED TO CALLING " & |
| "TASK - (D)"); |
| KILL (ALP1.ALL); |
| ABORT TSK1; |
| EXCEPTION |
| WHEN MY_EXCEPTION => |
| WHILE NOT TSK1'TERMINATED AND |
| LOOP_COUNT1 < CUT_OFF1 LOOP |
| DELAY 1.0 * Impdef.One_Second; |
| LOOP_COUNT1 := LOOP_COUNT1 + 1; |
| END LOOP; |
| |
| IF LOOP_COUNT1 >= CUT_OFF1 THEN |
| FAILED ("DEPENDENT TASK TSK1 NOT TERMINATED " & |
| "WITHIN ONE MINUTE - (D)"); |
| END IF; |
| |
| IF TERMINATED (ALP1.ALL) THEN |
| FAILED ("ALLOCATED TASK PREMATURELY " & |
| "TERMINATED - (D)"); |
| ELSE CALL (ALP1.ALL); |
| END IF; |
| WHEN OTHERS => |
| FAILED ("UNEXPECTED EXCEPTION IN (D)"); |
| IF ALP1 /= NULL THEN |
| KILL (ALP1.ALL); |
| END IF; |
| ABORT TSK1; |
| END TSK; |
| |
| BEGIN -- (D) |
| |
| WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP |
| DELAY 2.0 * Impdef.One_Second; |
| LOOP_COUNT := LOOP_COUNT + 1; |
| END LOOP; |
| |
| IF LOOP_COUNT >= CUT_OFF THEN |
| FAILED ("DEPENDENT TASK TSK NOT TERMINATED WITHIN " & |
| "TWO MINUTES - (D)"); |
| END IF; |
| |
| END; -- (D) |
| |
| -------------------------------------------------- |
| |
| RESULT; |
| END C94002G; |
