1-- CB1010A.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 STORAGE_ERROR IS RAISED WHEN STORAGE ALLOCATED TO A TASK 26-- IS EXCEEDED. 27 28-- PNH 8/26/85 29-- JRK 8/30/85 30 31WITH REPORT; USE REPORT; 32 33PROCEDURE CB1010A IS 34 35 N : INTEGER := IDENT_INT (1); 36 M : INTEGER := IDENT_INT (0); 37 38 PROCEDURE OVERFLOW_STACK IS 39 A : ARRAY (1 .. 1000) OF INTEGER; 40 BEGIN 41 N := N + M; 42 A (N) := M; 43 IF N > M THEN -- ALWAYS TRUE. 44 OVERFLOW_STACK; 45 END IF; 46 M := A (N); -- TO PREVENT TAIL RECURSION OPTIMIZATION. 47 END OVERFLOW_STACK; 48 49BEGIN 50 TEST ("CB1010A", "CHECK THAT STORAGE_ERROR IS RAISED WHEN " & 51 "STORAGE ALLOCATED TO A TASK IS EXCEEDED"); 52 53 -------------------------------------------------- 54 55 COMMENT ("CHECK TASKS THAT DO NOT HANDLE STORAGE_ERROR " & 56 "PRIOR TO RENDEZVOUS"); 57 58 DECLARE 59 60 TASK T1 IS 61 ENTRY E1; 62 END T1; 63 64 TASK BODY T1 IS 65 BEGIN 66 OVERFLOW_STACK; 67 FAILED ("TASK T1 NOT TERMINATED BY STACK OVERFLOW"); 68 END T1; 69 70 BEGIN 71 72 T1.E1; 73 FAILED ("NO EXCEPTION RAISED BY ENTRY CALL T1.E1"); 74 75 EXCEPTION 76 WHEN TASKING_ERROR => 77 IF N /= 1 OR M /= 0 THEN 78 FAILED ("VALUES OF VARIABLES N OR M ALTERED - 1"); 79 END IF; 80 WHEN OTHERS => 81 FAILED ("WRONG EXCEPTION RAISED BY CALL OF ENTRY E1 " & 82 "OF TERMINATED TASK T1"); 83 END; 84 85 -------------------------------------------------- 86 87 COMMENT ("CHECK TASKS THAT DO HANDLE STORAGE_ERROR PRIOR TO " & 88 "RENDEZVOUS"); 89 90 N := IDENT_INT (1); 91 M := IDENT_INT (0); 92 93 DECLARE 94 95 TASK T2 IS 96 ENTRY E2; 97 END T2; 98 99 TASK BODY T2 IS 100 BEGIN 101 OVERFLOW_STACK; 102 FAILED ("EXCEPTION NOT RAISED BY STACK OVERFLOW IN " & 103 "TASK T2"); 104 EXCEPTION 105 WHEN STORAGE_ERROR => 106 ACCEPT E2; 107 WHEN OTHERS => 108 FAILED ("WRONG EXCEPTION RAISED IN TASK T2 BY " & 109 "STACK OVERFLOW"); 110 END T2; 111 112 BEGIN 113 114 T2.E2; 115 IF N /= 1 OR M /= 0 THEN 116 FAILED ("VALUES OF VARIABLES N OR M ALTERED - 2"); 117 END IF; 118 119 EXCEPTION 120 WHEN OTHERS => 121 FAILED ("EXCEPTION RAISED BY ENTRY CALL T2.E2"); 122 ABORT T2; 123 END; 124 125 -------------------------------------------------- 126 127 COMMENT ("CHECK TASKS THAT DO NOT HANDLE STORAGE_ERROR " & 128 "DURING RENDEZVOUS"); 129 130 N := IDENT_INT (1); 131 M := IDENT_INT (0); 132 133 DECLARE 134 135 TASK T3 IS 136 ENTRY E3A; 137 ENTRY E3B; 138 END T3; 139 140 TASK BODY T3 IS 141 BEGIN 142 ACCEPT E3A DO 143 OVERFLOW_STACK; 144 FAILED ("EXCEPTION NOT RAISED IN ACCEPT E3A BY " & 145 "STACK OVERFLOW"); 146 END E3A; 147 FAILED ("EXCEPTION NOT PROPOGATED CORRECTLY IN TASK T3"); 148 EXCEPTION 149 WHEN STORAGE_ERROR => 150 ACCEPT E3B; 151 WHEN OTHERS => 152 FAILED ("WRONG EXCEPTION RAISED IN TASK T3 BY " & 153 "STACK OVERFLOW"); 154 END T3; 155 156 BEGIN 157 158 T3.E3A; 159 FAILED ("NO EXCEPTION RAISED BY ENTRY CALL T3.E3A"); 160 161 EXCEPTION 162 WHEN STORAGE_ERROR => 163 T3.E3B; 164 IF N /= 1 OR M /= 0 THEN 165 FAILED ("VALUES OF VARIABLES N OR M ALTERED - 3"); 166 END IF; 167 WHEN TASKING_ERROR => 168 FAILED ("TASKING_ERROR RAISED BY ENTRY CALL T3.E3A " & 169 "INSTEAD OF STORAGE_ERROR"); 170 ABORT T3; 171 WHEN OTHERS => 172 FAILED ("WRONG EXCEPTION RAISED BY ENTRY CALL T3.E3A"); 173 ABORT T3; 174 END; 175 176 -------------------------------------------------- 177 178 RESULT; 179END CB1010A; 180