| -- C97203A.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 CONDITIONAL_ENTRY_CALL CAN APPEAR IN PLACES WHERE A |
| -- SELECTIVE_WAIT CANNOT. |
| |
| -- PART 1: PACKAGE BODY EMBEDDED IN TASK BODY. |
| |
| |
| -- RM 4/01/1982 |
| |
| |
| WITH REPORT; |
| USE REPORT; |
| PROCEDURE C97203A IS |
| |
| |
| BEGIN |
| |
| |
| TEST ( "C97203A" , "CHECK THAT A CONDITIONAL_ENTRY_CALL CAN" & |
| " APPEAR WHERE A SELECTIVE_WAIT CANNOT" ); |
| |
| |
| ------------------------------------------------------------------- |
| |
| |
| DECLARE |
| |
| |
| TASK TT IS |
| ENTRY A ( AUTHORIZED : IN BOOLEAN ); |
| END TT ; |
| |
| |
| TASK BODY TT IS |
| |
| |
| PACKAGE WITHIN_TASK_BODY IS |
| -- NOTHING HERE |
| END WITHIN_TASK_BODY ; |
| |
| |
| PACKAGE BODY WITHIN_TASK_BODY IS |
| BEGIN |
| |
| SELECT -- NOT A SELECTIVE_WAIT |
| A ( FALSE ) ; -- CALLING (OWN) ENTRY |
| ELSE |
| COMMENT( "ALTERNATIVE BRANCH TAKEN" ); |
| END SELECT; |
| |
| END WITHIN_TASK_BODY ; |
| |
| |
| BEGIN |
| |
| ACCEPT A ( AUTHORIZED : IN BOOLEAN ) DO |
| |
| IF AUTHORIZED THEN |
| COMMENT( "AUTHORIZED ENTRY_CALL" ); |
| ELSE |
| FAILED( "UNAUTHORIZED ENTRY_CALL" ); |
| END IF; |
| |
| END A ; |
| |
| END TT ; |
| |
| |
| PACKAGE OUTSIDE_TASK_BODY IS |
| -- NOTHING HERE |
| END OUTSIDE_TASK_BODY ; |
| |
| |
| PACKAGE BODY OUTSIDE_TASK_BODY IS |
| BEGIN |
| |
| SELECT -- NOT A SELECTIVE_WAIT |
| TT.A ( FALSE ) ; -- UNBORN |
| ELSE |
| COMMENT( "(OUT:) ALTERNATIVE BRANCH TAKEN" ); |
| END SELECT; |
| |
| END OUTSIDE_TASK_BODY ; |
| |
| |
| BEGIN |
| |
| TT.A ( TRUE ); |
| |
| EXCEPTION |
| |
| WHEN TASKING_ERROR => |
| FAILED( "TASKING ERROR" ); |
| |
| END ; |
| |
| ------------------------------------------------------------------- |
| |
| RESULT ; |
| |
| |
| END C97203A ; |