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|
-- C94001A.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 OBJECT
-- DECLARATIONS IS NOT TERMINATED UNTIL ALL DEPENDENT TASKS BECOME
-- TERMINATED.
-- SUBTESTS ARE:
-- (A, B) A SIMPLE TASK OBJECT, IN A BLOCK.
-- (C, D) AN ARRAY OF TASK OBJECT, IN A FUNCTION.
-- (E, F) AN ARRAY OF RECORD OF TASK OBJECT, IN A TASK BODY.
-- THIS TEST CONTAINS SHARED VARIABLES AND RACE CONDITIONS.
-- JRK 10/2/81
-- SPS 11/21/82
-- JRK 11/29/82
-- TBN 8/22/86 REVISED; ADDED CASES THAT EXIT 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 C94001A IS
MY_EXCEPTION : EXCEPTION;
GLOBAL : INTEGER;
TASK TYPE TT IS
ENTRY E (I : INTEGER);
END TT;
TASK BODY TT 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 TT;
BEGIN
TEST ("C94001A", "CHECK THAT A UNIT WITH DEPENDENT TASKS " &
"CREATED BY OBJECT DECLARATIONS IS NOT " &
"TERMINATED UNTIL ALL DEPENDENT TASKS " &
"BECOME TERMINATED");
--------------------------------------------------
GLOBAL := IDENT_INT (0);
DECLARE -- (A)
T : TT;
BEGIN -- (A)
T.E (IDENT_INT(1));
END; -- (A)
IF GLOBAL /= 1 THEN
FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
"BLOCK EXIT - 1");
END IF;
--------------------------------------------------
GLOBAL := IDENT_INT (0);
BEGIN -- (B)
DECLARE
T : TT;
BEGIN
T.E (IDENT_INT(1));
RAISE MY_EXCEPTION;
END;
FAILED ("MY_EXCEPTION WAS NOT RAISED - 2");
EXCEPTION
WHEN MY_EXCEPTION =>
IF GLOBAL /= 1 THEN
FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
"BLOCK EXIT - 2");
END IF;
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION - 2");
END; -- (B)
--------------------------------------------------
GLOBAL := IDENT_INT (0);
DECLARE -- (C)
I : INTEGER;
FUNCTION F RETURN INTEGER IS
A : ARRAY (1..1) OF TT;
BEGIN
A(1).E (IDENT_INT(2));
RETURN 0;
END F;
BEGIN -- (C)
I := F;
IF GLOBAL /= 2 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
A : ARRAY (1..1) OF TT;
BEGIN
A(1).E (IDENT_INT(2));
IF EQUAL (3, 3) THEN
RAISE MY_EXCEPTION;
END IF;
RETURN 0;
END F;
BEGIN -- (D)
I := F;
FAILED ("MY_EXCEPTION WAS NOT RAISED - 4");
EXCEPTION
WHEN MY_EXCEPTION =>
IF GLOBAL /= 2 THEN
FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
"FUNCTION EXIT - 4");
END IF;
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION - 4");
END; -- (D)
--------------------------------------------------
GLOBAL := IDENT_INT (0);
DECLARE -- (E)
LOOP_COUNT : INTEGER := 0;
CUT_OFF : CONSTANT := 60 * 60; -- ONE HOUR DELAY.
TASK TSK IS
ENTRY ENT;
END TSK;
TASK BODY TSK IS
TYPE RT IS
RECORD
T : TT;
END RECORD;
AR : ARRAY (1..1) OF RT;
BEGIN
AR(1).T.E (IDENT_INT(3));
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 ONE " &
"HOUR - 5");
ELSIF GLOBAL /= 3 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 := 60 * 60; -- ONE HOUR DELAY.
TASK TSK IS
ENTRY ENT;
END TSK;
TASK BODY TSK IS
TYPE RT IS
RECORD
T : TT;
END RECORD;
AR : ARRAY (1..1) OF RT;
BEGIN
AR(1).T.E (IDENT_INT(3));
IF EQUAL (3, 3) THEN
RAISE MY_EXCEPTION;
END IF;
FAILED ("EXCEPTION WAS NOT RAISED - 6");
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 ONE " &
"HOUR - 6");
ELSIF GLOBAL /= 3 THEN
FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
"TASK EXIT - 6");
END IF;
END; -- (F)
--------------------------------------------------
RESULT;
END C94001A;
|
