| -- C92006A.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 TASK OBJECTS CAN BE INTERCHANGED BY ASSIGNMENT OF |
| -- CORRESPONDING ACCESS TYPE OBJECTS. |
| |
| -- WEI 3/ 4/82 |
| -- JWC 6/28/85 RENAMED FROM C920BIA-B.ADA |
| |
| WITH REPORT; |
| USE REPORT; |
| PROCEDURE C92006A IS |
| |
| TASK TYPE TT1 IS |
| ENTRY E1; |
| ENTRY E2; |
| END TT1; |
| |
| TYPE ATT1 IS ACCESS TT1; |
| POINTER_TT1_1, POINTER_TT1_2 : ATT1; |
| |
| SUBTYPE ARG IS NATURAL RANGE 0..9; |
| SPYNUMB : NATURAL := 0; |
| |
| PROCEDURE PSPY_NUMB (DIGT: IN ARG) IS |
| BEGIN |
| SPYNUMB := 10*SPYNUMB+DIGT; |
| END PSPY_NUMB; |
| |
| PROCEDURE PROC (P1, P2 : IN OUT ATT1) IS |
| -- SWAP TASK OBJECTS P1, P2. |
| SCRATCH : ATT1; |
| BEGIN |
| SCRATCH := P1; |
| P1 := P2; |
| P2 := SCRATCH; |
| |
| P1.E2; -- ENTRY2 SECOND OBJECT. |
| P2.E1; -- VICE VERSA. |
| |
| END PROC; |
| |
| TASK BODY TT1 IS |
| BEGIN |
| ACCEPT E1 DO |
| PSPY_NUMB (1); |
| END E1; |
| ACCEPT E2 DO |
| PSPY_NUMB (2); |
| END E2; |
| END TT1; |
| |
| BEGIN |
| |
| TEST ("C92006A", "INTERCHANGING TASK OBJECTS"); |
| POINTER_TT1_1 := NEW TT1; |
| POINTER_TT1_2 := NEW TT1; |
| |
| POINTER_TT1_2.ALL.E1; |
| PROC (POINTER_TT1_1, POINTER_TT1_2); |
| POINTER_TT1_2.E2; -- E2 OF FIRST OBJECT |
| -- EACH ENTRY OF EACH TASK OBJECT SHOULD HAVE BEEN CALLED. |
| |
| IF SPYNUMB /= 1212 THEN |
| FAILED ("FAILURE TO SWAP TASK OBJECTS " & |
| "IN PROCEDURE PROC"); |
| COMMENT ("ACTUAL ORDER WAS:" & INTEGER'IMAGE(SPYNUMB)); |
| END IF; |
| |
| RESULT; |
| |
| END C92006A; |