| -- C97201B.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 IS NOT ACCEPTED IF THERE IS |
| -- ANOTHER TASK QUEUED FOR THE ENTRY. |
| |
| -- WRG 7/11/86 |
| -- PWN 09/11/94 REMOVED PRAGMA PRIORITY FOR ADA 9X. |
| |
| with Impdef; |
| WITH REPORT; USE REPORT; |
| WITH SYSTEM; USE SYSTEM; |
| PROCEDURE C97201B IS |
| |
| |
| BEGIN |
| |
| TEST ("C97201B", "CHECK THAT A CONDITIONAL ENTRY CALL IS NOT " & |
| "ACCEPTED IF THERE IS ANOTHER TASK QUEUED " & |
| "FOR THE ENTRY"); |
| |
| DECLARE |
| |
| TASK T IS |
| ENTRY E; |
| ENTRY SYNCH; |
| ENTRY DONE; |
| END T; |
| |
| TASK BODY T IS |
| BEGIN |
| -- ENSURE THAT E HAS BEEN CALLED BEFORE PROCEEDING: |
| WHILE E'COUNT = 0 LOOP |
| DELAY 1.0 * Impdef.One_Second; |
| END LOOP; |
| |
| ACCEPT SYNCH; |
| |
| SELECT |
| WHEN IDENT_BOOL (FALSE) => |
| ACCEPT E; |
| FAILED ("CLOSED ALTERNATIVE TAKEN"); |
| OR |
| ACCEPT DONE DO |
| IF E'COUNT /= 1 THEN |
| FAILED (NATURAL'IMAGE(E'COUNT) & |
| " CALLS WERE QUEUED FOR ENTRY " & |
| "E OF TASK T"); |
| END IF; |
| END DONE; |
| OR |
| DELAY 1000.0 * Impdef.One_Second; |
| FAILED ("DELAY EXPIRED; E'COUNT =" & |
| NATURAL'IMAGE(E'COUNT) ); |
| END SELECT; |
| |
| WHILE E'COUNT > 0 LOOP |
| ACCEPT E; |
| END LOOP; |
| END T; |
| |
| TASK AGENT; |
| |
| TASK BODY AGENT IS |
| BEGIN |
| T.E; |
| END AGENT; |
| |
| BEGIN |
| |
| T.SYNCH; |
| |
| DELAY 10.0 * Impdef.One_Second; |
| |
| SELECT |
| T.E; |
| FAILED ("CONDITIONAL ENTRY CALL ACCEPTED" ); |
| ELSE |
| COMMENT ("ELSE PART EXECUTED"); |
| T.DONE; |
| END SELECT; |
| |
| END; |
| |
| RESULT; |
| |
| END C97201B; |