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-- C94001G.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 COMPLETED TASK WITH DEPENDENT TASKS TERMINATES WHEN

-- A L L  DEPENDENT TASKS HAVE TERMINATED.

-- WEI  3/ 4/82

-- JBG 4/2/84

-- JWC 6/28/85   RENAMED FROM C940AIA-B.ADA

with Impdef;

WITH REPORT;

 USE REPORT;

PROCEDURE C94001G IS

     PACKAGE SPY IS      -- PROVIDE PROTECTED ACCESS TO SPYNUMB

          SUBTYPE ARG IS NATURAL RANGE 0..9;

          FUNCTION SPYNUMB RETURN NATURAL;                      -- READ

          FUNCTION FINIT_POS (DIGT : IN ARG) RETURN NATURAL;    -- WRITE

          PROCEDURE PSPY_NUMB (DIGT : IN ARG);                  -- WRITE

     END SPY;

     USE SPY;

     PACKAGE BODY SPY IS

          TASK GUARD IS

               ENTRY READ  (NUMB : OUT NATURAL);

               ENTRY WRITE (NUMB : IN NATURAL);

          END GUARD;

          TASK BODY GUARD IS

               SPYNUMB : NATURAL := 0;

          BEGIN

               LOOP

                    SELECT

                         ACCEPT READ (NUMB : OUT NATURAL) DO

                              NUMB := SPYNUMB;

                         END READ;

                    OR   ACCEPT WRITE (NUMB : IN NATURAL) DO

                              SPYNUMB := 10*SPYNUMB+NUMB;

                         END WRITE;

                    OR   TERMINATE;

                    END SELECT;

               END LOOP;

          END GUARD;

          FUNCTION SPYNUMB RETURN NATURAL IS

               TEMP : NATURAL;

          BEGIN

               GUARD.READ (TEMP);

               RETURN TEMP;

          END SPYNUMB;

          FUNCTION FINIT_POS (DIGT: IN ARG) RETURN NATURAL IS

          BEGIN

               GUARD.WRITE (DIGT);

               RETURN DIGT;

          END FINIT_POS;

          PROCEDURE PSPY_NUMB (DIGT : IN ARG) IS

          BEGIN

               GUARD.WRITE (DIGT);

          END PSPY_NUMB;

     END SPY;

BEGIN

     TEST ("C94001G", "TERMINATION WHEN ALL DEPENDENT TASKS " &

                      "HAVE TERMINATED");

BLOCK:

     DECLARE

          TASK TYPE TT1;

          TASK BODY TT1 IS

          BEGIN

               DELAY 1.0 * Impdef.One_Second;

               PSPY_NUMB (1);

          END TT1;

          TASK T1 IS

          END T1;

          TASK BODY T1 IS

               OBJ_TT1_1, OBJ_TT1_2, OBJ_TT1_3 : TT1;

          BEGIN

               NULL;

          END T1;

     BEGIN

          NULL;

     END BLOCK;               -- WAIT HERE FOR TERMINATION.

     IF SPYNUMB /= 111 THEN

          FAILED ("TASK T1 TERMINATED BEFORE " &

                  "ALL DEPENDENT TASKS HAVE TERMINATED");

          COMMENT ("ACTUAL ORDER WAS:" & INTEGER'IMAGE(SPYNUMB));

     END IF;

     RESULT;

END C94001G;