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|
-- C93005B.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 WHEN AN EXCEPTION IS RAISED IN A DECLARATIVE PART, A TASK
-- DECLARED IN THE SAME DECLARATIVE PART BECOMES TERMINATED.
-- CHECK THAT A TASK WAITING ON ENTRIES OF SUCH A
-- TERMINATED-BEFORE-ACTIVATION TASK RECEIVES TASKING_ERROR.
-- THIS TEST CHECKS THE CASE IN WHICH SEVERAL TASKS ARE WAITING FOR
-- ACTIVATION WHEN THE EXCEPTION OCCURS.
-- R. WILLIAMS 8/7/86
-- PWN 11/30/94 REMOVED PRAGMA PRIORITY INSTANCES FOR ADA 9X.
WITH SYSTEM; USE SYSTEM;
WITH REPORT; USE REPORT;
PROCEDURE C93005B IS
BEGIN
TEST ( "C93005B", "CHECK THAT WHEN AN EXCEPTION IS RAISED IN A " &
"DECLARATIVE PART, A TASK DECLARED IN THE " &
"SAME DECLARATIVE PART BECOMES TERMINATED. " &
"IN THIS CASE, SEVERAL TASKS ARE WAITING FOR " &
"ACTIVATION WHEN THE EXCEPTION OCCURS" );
BEGIN
DECLARE
TASK TYPE TA IS -- CHECKS THAT TX TERMINATES.
END TA;
TYPE ATA IS ACCESS TA;
TASK TYPE TB IS -- CHECKS THAT TY TERMINATES.
END TB;
TYPE TBREC IS
RECORD
TTB: TB;
END RECORD;
TASK TX IS -- WILL NEVER BE ACTIVATED.
ENTRY E;
END TX;
TASK BODY TA IS
BEGIN
DECLARE -- THIS BLOCK TO CHECK THAT TAB
-- TERMINATES.
TASK TAB IS
END TAB;
TASK BODY TAB IS
BEGIN
TX.E;
FAILED ( "RENDEZVOUS COMPLETED " &
"WITHOUT ERROR - TAB" );
EXCEPTION
WHEN TASKING_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ( "ABNORMAL EXCEPTION " &
"- TAB" );
END TAB;
BEGIN
NULL;
END;
TX.E; --TX IS NOW TERMINATED.
FAILED ( "RENDEZVOUS COMPLETED WITHOUT ERROR " &
"- TA" );
EXCEPTION
WHEN TASKING_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ( "ABNORMAL EXCEPTION - TA" );
END TA;
PACKAGE RAISE_IT IS
TASK TY IS -- WILL NEVER BE ACTIVATED.
ENTRY E;
END TY;
END RAISE_IT;
TASK BODY TB IS
BEGIN
DECLARE -- THIS BLOCK TO CHECK THAT TBB
-- TERMINATES.
TASK TBB IS
END TBB;
TASK BODY TBB IS
BEGIN
RAISE_IT.TY.E;
FAILED ( "RENDEZVOUS COMPLETED " &
"WITHOUT ERROR - TBB" );
EXCEPTION
WHEN TASKING_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ( "ABNORMAL EXCEPTION " &
"- TBB" );
END TBB;
BEGIN
NULL;
END;
RAISE_IT.TY.E; -- TY IS NOW TERMINATED.
FAILED ( "RENDEZVOUS COMPLETED WITHOUT ERROR " &
"- TB" );
EXCEPTION
WHEN TASKING_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ( "ABNORMAL EXCEPTION - TB" );
END TB;
PACKAGE START_TC IS END START_TC;
TASK BODY TX IS
BEGIN
FAILED ( "TX ACTIVATED" );
-- IN CASE OF FAILURE.
LOOP
SELECT
ACCEPT E;
OR
TERMINATE;
END SELECT;
END LOOP;
END TX;
PACKAGE START_TZ IS
TASK TZ IS -- WILL NEVER BE ACTIVATED.
ENTRY E;
END TZ;
END START_TZ;
PACKAGE BODY START_TC IS
TBREC1 : TBREC; -- CHECKS THAT TY TERMINATES.
TASK TC IS -- CHECKS THAT TZ TERMINATES.
END TC;
TASK BODY TC IS
BEGIN
DECLARE -- THIS BLOCK TO CHECK THAT TCB
-- TERMINATES.
TASK TCB IS
END TCB;
TASK BODY TCB IS
BEGIN
START_TZ.TZ.E;
FAILED ( "RENDEZVOUS COMPLETED " &
"WITHOUT " &
"ERROR - TCB" );
EXCEPTION
WHEN TASKING_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ( "ABNORMAL " &
"EXCEPTION - TCB" );
END TCB;
BEGIN
NULL;
END;
START_TZ.TZ.E; -- TZ IS NOW TERMINATED.
FAILED ( "RENDEZVOUS COMPLETED WITHOUT " &
"ERROR - TC" );
EXCEPTION
WHEN TASKING_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ( "ABNORMAL EXCEPTION - TC" );
END TC;
END START_TC; -- TBREC1 AND TC ACTIVATED HERE.
PACKAGE BODY RAISE_IT IS
NTA : ATA := NEW TA; -- NTA.ALL ACTIVATED HERE.
TASK BODY TY IS
BEGIN
FAILED ( "TY ACTIVATED" );
-- IN CASE OF FAILURE.
LOOP
SELECT
ACCEPT E;
OR
TERMINATE;
END SELECT;
END LOOP;
END TY;
PACKAGE XCEPTION IS
I : POSITIVE := IDENT_INT (0); -- RAISE
-- CONSTRAINT_ERROR.
END XCEPTION;
USE XCEPTION;
BEGIN -- TY WOULD BE ACTIVATED HERE.
IF I /= IDENT_INT (2) OR I = IDENT_INT (1) + 1 THEN
FAILED ( "PACKAGE DIDN'T RAISE EXCEPTION" );
END IF;
END RAISE_IT;
PACKAGE BODY START_TZ IS
TASK BODY TZ IS
BEGIN
FAILED ( "TZ ACTIVATED" );
-- IN CASE OF FAILURE.
LOOP
SELECT
ACCEPT E;
OR
TERMINATE;
END SELECT;
END LOOP;
END TZ;
END START_TZ; -- TZ WOULD BE ACTIVATED HERE.
BEGIN -- TX WOULD BE ACTIVATED HERE.
-- CAN'T LEAVE BLOCK UNTIL TA, TB, AND TC ARE TERM.
FAILED ( "EXCEPTION NOT RAISED" );
END;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN TASKING_ERROR =>
FAILED ( "TASKING_ERROR IN MAIN PROGRAM" );
WHEN OTHERS =>
FAILED ( "ABNORMAL EXCEPTION IN MAIN" );
END;
RESULT;
END C93005B;
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