| -- C94002A.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 UNIT WITH DEPENDENT TASKS CREATED BY (LOCAL) |
| -- ALLOCATORS DOES NOT TERMINATE UNTIL ALL DEPENDENT TASKS ARE |
| -- TERMINATED. |
| -- SUBTESTS ARE: |
| -- (A, B) A SIMPLE TASK ALLOCATOR, IN A BLOCK. |
| -- (C, D) A RECORD OF TASK ALLOCATOR, IN A FUNCTION. |
| -- (E, F) A RECORD OF ARRAY OF TASK ALLOCATOR, IN A TASK BODY. |
| |
| -- THIS TEST CONTAINS SHARED VARIABLES AND RACE CONDITIONS. |
| |
| -- JRK 10/2/81 |
| -- SPS 11/2/82 |
| -- SPS 11/21/82 |
| -- JRK 11/29/82 |
| -- TBN 8/25/86 REDUCED DELAYS; ADDED LIMITED PRIVATE TYPES; |
| -- INCLUDED EXITS BY RAISING AN EXCEPTION. |
| -- PWN 01/31/95 REMOVED PRAGMA PRIORITY FOR ADA 9X. |
| |
| with Impdef; |
| WITH REPORT; USE REPORT; |
| WITH SYSTEM; USE SYSTEM; |
| PROCEDURE C94002A IS |
| |
| PACKAGE P IS |
| MY_EXCEPTION : EXCEPTION; |
| GLOBAL : INTEGER; |
| TASK TYPE T1 IS |
| ENTRY E (I : INTEGER); |
| END T1; |
| TYPE T2 IS LIMITED PRIVATE; |
| PROCEDURE CALL_ENTRY (A : T2; B : INTEGER); |
| PRIVATE |
| TASK TYPE T2 IS |
| ENTRY E (I : INTEGER); |
| END T2; |
| END P; |
| |
| PACKAGE BODY P IS |
| TASK BODY T1 IS |
| LOCAL : INTEGER; |
| BEGIN |
| ACCEPT E (I : INTEGER) DO |
| LOCAL := I; |
| END E; |
| DELAY 30.0 * Impdef.One_Second; -- SINCE THE PARENT UNIT HAS HIGHER |
| -- PRIORITY AT THIS POINT, IT WILL |
| -- RECEIVE CONTROL AND TERMINATE IF |
| -- THE ERROR IS PRESENT. |
| GLOBAL := LOCAL; |
| END T1; |
| |
| TASK BODY T2 IS |
| LOCAL : INTEGER; |
| BEGIN |
| ACCEPT E (I : INTEGER) DO |
| LOCAL := I; |
| END E; |
| DELAY 30.0 * Impdef.One_Second; |
| GLOBAL := LOCAL; |
| END T2; |
| |
| PROCEDURE CALL_ENTRY (A : T2; B : INTEGER) IS |
| BEGIN |
| A.E (B); |
| END CALL_ENTRY; |
| END P; |
| |
| USE P; |
| |
| |
| BEGIN |
| TEST ("C94002A", "CHECK THAT A UNIT WITH DEPENDENT TASKS " & |
| "CREATED BY (LOCAL) ALLOCATORS DOES NOT " & |
| "TERMINATE UNTIL ALL DEPENDENT TASKS " & |
| "ARE TERMINATED"); |
| |
| -------------------------------------------------- |
| GLOBAL := IDENT_INT (0); |
| BEGIN -- (A) |
| DECLARE |
| TYPE A_T IS ACCESS T1; |
| A : A_T; |
| BEGIN |
| IF EQUAL (3, 3) THEN |
| A := NEW T1; |
| A.ALL.E (IDENT_INT(1)); |
| RAISE MY_EXCEPTION; |
| END IF; |
| END; |
| |
| FAILED ("MY_EXCEPTION WAS NOT RAISED - 1"); |
| EXCEPTION |
| WHEN MY_EXCEPTION => |
| IF GLOBAL /= 1 THEN |
| FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " & |
| "BLOCK EXIT - 1"); |
| END IF; |
| WHEN OTHERS => |
| FAILED ("UNEXPECTED EXCEPTION RAISED - 1"); |
| END; -- (A) |
| |
| -------------------------------------------------- |
| |
| GLOBAL := IDENT_INT (0); |
| |
| DECLARE -- (B) |
| TYPE A_T IS ACCESS T2; |
| A : A_T; |
| BEGIN -- (B) |
| IF EQUAL (3, 3) THEN |
| A := NEW T2; |
| CALL_ENTRY (A.ALL, IDENT_INT(2)); |
| END IF; |
| END; -- (B) |
| |
| IF GLOBAL /= 2 THEN |
| FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " & |
| "BLOCK EXIT - 2"); |
| END IF; |
| |
| -------------------------------------------------- |
| |
| GLOBAL := IDENT_INT (0); |
| |
| DECLARE -- (C) |
| I : INTEGER; |
| |
| FUNCTION F RETURN INTEGER IS |
| TYPE RT; |
| TYPE ART IS ACCESS RT; |
| TYPE RT IS |
| RECORD |
| A : ART; |
| T : T1; |
| END RECORD; |
| LIST : ART; |
| TEMP : ART; |
| BEGIN |
| FOR I IN 1 .. IDENT_INT (1) LOOP |
| TEMP := NEW RT; |
| TEMP.A := LIST; |
| LIST := TEMP; |
| LIST.T.E (IDENT_INT(3)); |
| END LOOP; |
| RETURN 0; |
| END F; |
| BEGIN -- (C) |
| I := F; |
| |
| IF GLOBAL /= 3 THEN |
| FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " & |
| "FUNCTION EXIT - 3"); |
| END IF; |
| END; -- (C) |
| |
| -------------------------------------------------- |
| |
| GLOBAL := IDENT_INT (0); |
| |
| DECLARE -- (D) |
| I : INTEGER; |
| |
| FUNCTION F RETURN INTEGER IS |
| TYPE RT; |
| TYPE ART IS ACCESS RT; |
| TYPE RT IS |
| RECORD |
| A : ART; |
| T : T2; |
| END RECORD; |
| LIST : ART; |
| TEMP : ART; |
| BEGIN |
| FOR I IN 1 .. IDENT_INT (1) LOOP |
| TEMP := NEW RT; |
| TEMP.A := LIST; |
| LIST := TEMP; |
| CALL_ENTRY (LIST.T, IDENT_INT(4)); |
| IF EQUAL (3, 3) THEN |
| RAISE MY_EXCEPTION; |
| END IF; |
| END LOOP; |
| RETURN 0; |
| END F; |
| BEGIN -- (D) |
| I := F; |
| |
| FAILED ("MY_EXCEPTION WAS NOT RAISED - 4"); |
| EXCEPTION |
| WHEN MY_EXCEPTION => |
| IF GLOBAL /= 4 THEN |
| FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " & |
| "FUNCTION EXIT - 4"); |
| END IF; |
| WHEN OTHERS => |
| FAILED ("UNEXPECTED EXCEPTION RAISED - 4"); |
| END; -- (D) |
| |
| -------------------------------------------------- |
| |
| GLOBAL := IDENT_INT (0); |
| |
| DECLARE -- (E) |
| |
| LOOP_COUNT : INTEGER := 0; |
| CUT_OFF : CONSTANT := 5 * 60; -- FIVE MINUTE DELAY. |
| |
| TASK TSK IS |
| ENTRY ENT; |
| END TSK; |
| |
| TASK BODY TSK IS |
| TYPE ARR IS ARRAY (1..1) OF T1; |
| TYPE RAT; |
| TYPE ARAT IS ACCESS RAT; |
| TYPE RAT IS |
| RECORD |
| A : ARAT; |
| T : ARR; |
| END RECORD; |
| LIST : ARAT; |
| TEMP : ARAT; |
| BEGIN |
| FOR I IN 1 .. IDENT_INT (1) LOOP |
| TEMP := NEW RAT; |
| TEMP.A := LIST; |
| LIST := TEMP; |
| LIST.T(1).E (IDENT_INT(5)); |
| IF EQUAL (3, 3) THEN |
| RAISE MY_EXCEPTION; |
| END IF; |
| END LOOP; |
| END TSK; |
| |
| BEGIN -- (E) |
| |
| WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP |
| DELAY 1.0 * Impdef.One_Second; |
| LOOP_COUNT := LOOP_COUNT + 1; |
| END LOOP; |
| |
| IF LOOP_COUNT >= CUT_OFF THEN |
| FAILED ("DEPENDENT TASK NOT TERMINATED WITHIN FIVE " & |
| "MINUTES - 5"); |
| END IF; |
| |
| IF GLOBAL /= 5 THEN |
| FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " & |
| "TASK EXIT - 5"); |
| END IF; |
| |
| END; -- (E) |
| |
| -------------------------------------------------- |
| |
| GLOBAL := IDENT_INT (0); |
| |
| DECLARE -- (F) |
| |
| LOOP_COUNT : INTEGER := 0; |
| CUT_OFF : CONSTANT := 5 * 60; -- FIVE MINUTE DELAY. |
| |
| TASK TSK IS |
| ENTRY ENT; |
| END TSK; |
| |
| TASK BODY TSK IS |
| TYPE ARR IS ARRAY (1..1) OF T2; |
| TYPE RAT; |
| TYPE ARAT IS ACCESS RAT; |
| TYPE RAT IS |
| RECORD |
| A : ARAT; |
| T : ARR; |
| END RECORD; |
| LIST : ARAT; |
| TEMP : ARAT; |
| BEGIN |
| FOR I IN 1 .. IDENT_INT (1) LOOP |
| TEMP := NEW RAT; |
| TEMP.A := LIST; |
| LIST := TEMP; |
| CALL_ENTRY (LIST.T(1), IDENT_INT(6)); |
| END LOOP; |
| END TSK; |
| |
| BEGIN -- (F) |
| |
| WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP |
| DELAY 1.0 * Impdef.One_Second; |
| LOOP_COUNT := LOOP_COUNT + 1; |
| END LOOP; |
| |
| IF LOOP_COUNT >= CUT_OFF THEN |
| FAILED ("DEPENDENT TASK NOT TERMINATED WITHIN FIVE " & |
| "MINUTES - 6"); |
| END IF; |
| |
| IF GLOBAL /= 6 THEN |
| FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " & |
| "TASK EXIT - 6"); |
| END IF; |
| |
| END; -- (F) |
| |
| RESULT; |
| END C94002A; |
