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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;
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