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-- C94002F.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 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 AND 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.
-- TBN 1/20/86
-- JRK 5/1/86 IMPROVED ERROR RECOVERY. FIXED EXCEPTION HANDLING.
-- PWN 09/11/94 REMOVED PRAGMA PRIORITY FOR ADA 9X.
with Impdef;
WITH REPORT; USE REPORT;
WITH SYSTEM; USE SYSTEM;
PROCEDURE C94002F 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 ("C94002F", "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 AND " &
"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)");
EXCEPTION
WHEN MY_EXCEPTION =>
NULL;
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION IN (A)");
END;
IF A1.ALL'TERMINATED THEN
FAILED ("ALLOCATED TASK PREMATURELY TERMINATED - (A)");
ELSE A1.ALL.E;
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 (AR : OUT ART) IS
AR2 : ART;
BEGIN
AR2 := NEW RT;
AR2.T.E;
AR := AR2;
RAISE MY_EXCEPTION;
FAILED ("MY_EXCEPTION WAS NOT RAISED IN (B)");
EXCEPTION
WHEN MY_EXCEPTION =>
NULL;
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION IN (B)");
END P;
BEGIN
P (AR1);
IF AR1.T'TERMINATED THEN
FAILED ("ALLOCATED TASK PREMATURELY TERMINATED " &
"- (B)");
ELSE AR1.T.E;
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;
FAILED ("MY_EXCEPTION WAS NOT RAISED IN (C)");
EXCEPTION
WHEN MY_EXCEPTION =>
NULL;
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION 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)
---------------------------------------------------------------
RESULT;
END C94002F;
|
