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-- C94002G.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. --* -- OBJECTIVE: -- 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 BUT NOT 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, NOT -- DURING RENDEZVOUS. -- (D) A LIMITED PRIVATE TASK ALLOCATOR, IN A TASK BODY, DURING -- RENDEZVOUS. -- HISTORY: -- TBN 01/20/86 CREATED ORIGINAL TEST. -- JRK 05/01/86 IMPROVED ERROR RECOVERY. FIXED EXCEPTION -- HANDLING. ADDED CASE (D). -- BCB 09/24/87 ADDED A RETURN STATEMENT TO THE HANDLER FOR OTHERS -- IN FUNCTION F, CASE B. -- PWN 09/11/94 REMOVED PRAGMA PRIORITY FOR ADA 9X. with Impdef; WITH REPORT; USE REPORT; WITH SYSTEM; USE SYSTEM; PROCEDURE C94002G 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 ("C94002G", "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 BUT NOT " & "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)"); END; ABORT A1.ALL; EXCEPTION WHEN MY_EXCEPTION => IF A1.ALL'TERMINATED THEN FAILED ("ALLOCATED TASK PREMATURELY TERMINATED - " & "(A)"); ELSE A1.ALL.E; END IF; WHEN OTHERS => FAILED ("UNEXPECTED EXCEPTION IN (A)"); IF A1 /= NULL THEN ABORT A1.ALL; 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 IS AR2 : ART; BEGIN AR2 := NEW RT; AR2.T.E; AR1 := AR2; RAISE MY_EXCEPTION; FAILED ("MY_EXCEPTION WAS NOT RAISED IN (B)"); END P; BEGIN P; ABORT AR1.T; RETURN 0; EXCEPTION WHEN MY_EXCEPTION => IF AR1.T'TERMINATED THEN FAILED ("ALLOCATED TASK PREMATURELY " & "TERMINATED - (B)"); ELSE AR1.T.E; END IF; RETURN 0; WHEN OTHERS => FAILED ("UNEXPECTED EXCEPTION IN (B)"); IF AR1 /= NULL THEN ABORT AR1.T; 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; -- NOT PROPOGATED. FAILED ("MY_EXCEPTION WAS NOT RAISED 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) -------------------------------------------------- DECLARE -- (D) 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. PACKAGE PKG IS TYPE LPT IS LIMITED PRIVATE; PROCEDURE CALL (X : LPT); PROCEDURE KILL (X : LPT); FUNCTION TERMINATED (X : LPT) RETURN BOOLEAN; PRIVATE TYPE LPT IS NEW TT; END PKG; USE PKG; TYPE ALPT IS ACCESS LPT; ALP1 : ALPT; PACKAGE BODY PKG IS PROCEDURE CALL (X : LPT) IS BEGIN X.E; END CALL; PROCEDURE KILL (X : LPT) IS BEGIN ABORT X; END KILL; FUNCTION TERMINATED (X : LPT) RETURN BOOLEAN IS BEGIN RETURN X'TERMINATED; END TERMINATED; END PKG; TASK TSK1 IS ENTRY ENT1 (ALP : OUT ALPT); ENTRY DIE; END TSK1; TASK BODY TSK1 IS ALP2 : ALPT; BEGIN ALP2 := NEW LPT; -- INITIATE TASK ALP2.ALL. CALL (ALP2.ALL); ACCEPT ENT1 (ALP : OUT ALPT) DO ALP := ALP2; END ENT1; ACCEPT DIE DO RAISE MY_EXCEPTION; -- PROPOGATED. FAILED ("MY_EXCEPTION WAS NOT RAISED IN (D)"); END DIE; END TSK1; BEGIN TSK1.ENT1 (ALP1); -- ALP1.ALL BECOMES ALIAS FOR ALP2.ALL. TSK1.DIE; FAILED ("MY_EXCEPTION WAS NOT PROPOGATED TO CALLING " & "TASK - (D)"); KILL (ALP1.ALL); ABORT TSK1; EXCEPTION WHEN MY_EXCEPTION => 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 - (D)"); END IF; IF TERMINATED (ALP1.ALL) THEN FAILED ("ALLOCATED TASK PREMATURELY " & "TERMINATED - (D)"); ELSE CALL (ALP1.ALL); END IF; WHEN OTHERS => FAILED ("UNEXPECTED EXCEPTION IN (D)"); IF ALP1 /= NULL THEN KILL (ALP1.ALL); END IF; ABORT TSK1; END TSK; BEGIN -- (D) 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 - (D)"); END IF; END; -- (D) -------------------------------------------------- RESULT; END C94002G;