| -- C95022B.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 IT IS POSSIBLE TO ACCEPT AN ENTRY CALL FROM INSIDE |
| -- THE BODY OF AN ACCEPT STATEMENT. |
| |
| -- CHECK THE CASE OF ABORT DURING THE INNERMOST ACCEPT. |
| |
| -- JEAN-PIERRE ROSEN 25-FEB-1984 |
| -- JBG 6/1/84 |
| |
| WITH REPORT; USE REPORT; |
| PROCEDURE C95022B IS |
| |
| BEGIN |
| |
| TEST("C95022B", "CHECK THAT EMBEDDED RENDEZVOUS ARE PROCESSED " & |
| "CORRECTLY (ABORT CASE)"); |
| DECLARE |
| TASK TYPE CLIENT IS |
| ENTRY GET_ID (I : INTEGER); |
| END CLIENT; |
| |
| T_ARR : ARRAY (1..4) OF CLIENT; |
| |
| TASK KILL IS |
| ENTRY ME; |
| END KILL; |
| |
| TASK SERVER IS |
| ENTRY E1; |
| ENTRY E2; |
| ENTRY E3; |
| ENTRY E4; |
| END SERVER; |
| |
| TASK BODY SERVER IS |
| BEGIN |
| |
| ACCEPT E1 DO |
| ACCEPT E2 DO |
| ACCEPT E3 DO |
| ACCEPT E4 DO |
| KILL.ME; |
| E1; -- WILL DEADLOCK UNTIL ABORT. |
| END E4; |
| END E3; |
| END E2; |
| END E1; |
| |
| END SERVER; |
| |
| TASK BODY KILL IS |
| BEGIN |
| ACCEPT ME; |
| ABORT SERVER; |
| END; |
| |
| TASK BODY CLIENT IS |
| ID : INTEGER; |
| BEGIN |
| ACCEPT GET_ID( I : INTEGER) DO |
| ID := I; |
| END GET_ID; |
| |
| CASE ID IS |
| WHEN 1 => SERVER.E1; |
| WHEN 2 => SERVER.E2; |
| WHEN 3 => SERVER.E3; |
| WHEN 4 => SERVER.E4; |
| WHEN OTHERS => FAILED ("INCORRECT ID"); |
| END CASE; |
| |
| FAILED ("TASKING_ERROR NOT RAISED IN CLIENT" & |
| INTEGER'IMAGE(ID)); |
| |
| EXCEPTION |
| WHEN TASKING_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED("EXCEPTION IN CLIENT" & INTEGER'IMAGE(ID)); |
| END CLIENT; |
| BEGIN |
| FOR I IN 1 .. 4 LOOP |
| T_ARR(I).GET_ID(I); |
| END LOOP; |
| END; |
| |
| RESULT; |
| |
| END C95022B; |