1-- C97203B.ADA 2 3-- Grant of Unlimited Rights 4-- 5-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687, 6-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 7-- unlimited rights in the software and documentation contained herein. 8-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making 9-- this public release, the Government intends to confer upon all 10-- recipients unlimited rights equal to those held by the Government. 11-- These rights include rights to use, duplicate, release or disclose the 12-- released technical data and computer software in whole or in part, in 13-- any manner and for any purpose whatsoever, and to have or permit others 14-- to do so. 15-- 16-- DISCLAIMER 17-- 18-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR 19-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 20-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE 21-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 22-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A 23-- PARTICULAR PURPOSE OF SAID MATERIAL. 24--* 25-- CHECK THAT A CONDITIONAL_ENTRY_CALL CAN APPEAR IN PLACES WHERE A 26-- SELECTIVE_WAIT CANNOT. 27 28-- PART 2: PROCEDURE BODY EMBEDDED IN TASK BODY. 29 30 31-- RM 4/09/1982 32 33 34WITH REPORT; 35USE REPORT; 36PROCEDURE C97203B IS 37 38 39BEGIN 40 41 42 TEST ( "C97203B" , "CHECK THAT A CONDITIONAL_ENTRY_CALL CAN" & 43 " APPEAR WHERE A SELECTIVE_WAIT CANNOT" ); 44 45 46 ------------------------------------------------------------------- 47 48 49 DECLARE 50 51 52 TASK TT IS 53 ENTRY A ( AUTHORIZED : IN BOOLEAN ); 54 END TT ; 55 56 57 TASK BODY TT IS 58 59 60 PROCEDURE WITHIN_TASK_BODY ; 61 62 63 PROCEDURE WITHIN_TASK_BODY IS 64 BEGIN 65 66 SELECT -- NOT A SELECTIVE_WAIT 67 A ( FALSE ) ; -- CALLING (OWN) ENTRY 68 ELSE 69 COMMENT( "ALTERNATIVE BRANCH TAKEN" ); 70 END SELECT; 71 72 END WITHIN_TASK_BODY ; 73 74 75 BEGIN 76 77 78 -- CALL THE INNER PROC. TO FORCE EXEC. OF COND_E_CALL 79 WITHIN_TASK_BODY ; 80 81 82 ACCEPT A ( AUTHORIZED : IN BOOLEAN ) DO 83 84 IF AUTHORIZED THEN 85 COMMENT( "AUTHORIZED ENTRY_CALL" ); 86 ELSE 87 FAILED( "UNAUTHORIZED ENTRY_CALL" ); 88 END IF; 89 90 END A ; 91 92 END TT ; 93 94 95 PROCEDURE OUTSIDE_TASK_BODY IS 96 BEGIN 97 98 SELECT -- NOT A SELECTIVE_WAIT 99 TT.A ( FALSE ) ; -- UNBORN 100 ELSE 101 COMMENT( "(OUT:) ALTERNATIVE BRANCH TAKEN" ); 102 END SELECT; 103 104 END OUTSIDE_TASK_BODY ; 105 106 107 PACKAGE CREATE_OPPORTUNITY_TO_CALL IS END; 108 PACKAGE BODY CREATE_OPPORTUNITY_TO_CALL IS 109 BEGIN 110 -- CALL THE OTHER PROC. TO FORCE EXEC. OF COND_E_CALL 111 OUTSIDE_TASK_BODY ; 112 END CREATE_OPPORTUNITY_TO_CALL ; 113 114 115 BEGIN 116 117 TT.A ( TRUE ); 118 119 EXCEPTION 120 121 WHEN TASKING_ERROR => 122 FAILED( "TASKING ERROR" ); 123 124 END ; 125 126 ------------------------------------------------------------------- 127 128 RESULT ; 129 130 131END C97203B ; 132