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|
-- 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;
|
