1-- C93005G.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 IF AN EXCEPTION IS RAISED IN A DECLARATIVE PART OR PACKAGE 26-- SPECIFICATION, A TASK DECLARED IN THE SAME DECLARATIVE PART BECOMES 27-- COMPLETED BEFORE IT HAS BEEN ACTIVATED; ANY TASKS AWAITING A 28-- RENDEZVOUS WITH THE COMPLETED RECEIVE TASKING_ERROR. 29 30-- CASE 5: TASKS IN STATEMENT PART OF A BLOCK. THE TASKS DON'T DEPEND 31-- ON THE DECLARATIVE PART. 32 33-- RAC 19-MAR-1985 34-- JBG 06/03/85 35-- EG 10/30/85 ELIMINATE THE USE OF NUMERIC_ERROR IN TEST. 36-- PWN 09/11/94 REMOVED PRAGMA PRIORITY FOR ADA 9X. 37 38WITH REPORT; USE REPORT; 39WITH SYSTEM; USE SYSTEM; 40PRAGMA ELABORATE (REPORT); 41PACKAGE C93005G_PK1 IS 42 43 -- THIS TYPE OF TASK IS ALWAYS UNACTIVATED. 44 TASK TYPE UNACTIVATED IS 45 ENTRY E; 46 END UNACTIVATED; 47 48 TYPE ACC_UNACTIVATED IS ACCESS UNACTIVATED; 49 50 TYPE BAD_REC IS 51 RECORD 52 T : UNACTIVATED; 53 I : POSITIVE := IDENT_INT(0); -- RAISE CONSTRAINT_ERROR. 54 END RECORD; 55 56 TYPE ACC_BAD_REC IS ACCESS BAD_REC; 57 58 59 -- ******************************************* 60 -- DEFINITIONS FOR MUST NOT BE TERMINATED TASKS 61 -- ******************************************* 62 -- 63 -- THIS SET OF DECLARATIONS DEFINES A RECORD TYPE MNT (MUST NOT 64 -- TERMINATE). WHENEVER SUCH A RECORD IS DECLARED, A COUNT IS 65 -- INCREMENTED AND A TASK IS CREATED. THE TASK WILL DECREMENT THE 66 -- COUNT UNLESS IT IS INCORRECTLY AND PREMATURELY TERMINATED. 67 -- THE ROUTINE CHECK IS CALLED TO VERIFY WHETHER THE COUNT 68 -- HAS RETURNED TO 0 (ALL MNT TASKS GOT A CHANCE TO DO THEIR 69 -- DECREMENT). 70 71 -- AN MNT TASK. SUCH TASKS MUST NOT BE TERMINATED 72 -- BY ANYONE BUT THEMSELVES. 73 -- 74 TASK TYPE MNT_TASK IS 75 END MNT_TASK; 76 77 FUNCTION F RETURN INTEGER; 78 79 -- THE RECORD THAT IS DECLARED TO HOLD AN MNT TASK 80 -- AND FORCE CALLING F BEFORE CREATING THE TASK. 81 -- F INCREMENTS THE COUNT, THE TASK DECREMENTS THE 82 -- COUNT. 83 -- 84 TYPE MNT IS 85 RECORD 86 DUMMY : INTEGER := F; 87 T : MNT_TASK; 88 END RECORD; 89 90 PROCEDURE CHECK; 91 92 93 -- ******************************************* 94 -- END OF DEFINITIONS FOR MUST NOT BE TERMINATED TASKS 95 -- ******************************************* 96 97END C93005G_PK1; 98 99with Impdef; 100PACKAGE BODY C93005G_PK1 IS 101 102-- THIS TASK IS CALLED IF AN UNACTIVATED TASK 103-- IS EVER INCORRECTLY ACTIVATED. IT REPORTS FAILURE. 104 105 TASK T IS 106 ENTRY E; 107 END; 108 109 -- *********************************************** 110 -- START OF DEFINITIONS FOR MUST NOT TERMINATE TASKS 111 -- *********************************************** 112 113-- COUNT OF TASKS THAT MUST NOT BE TERMINATED AND 114-- ARE STILL ACTIVE. 115 116 MNT_COUNT : INTEGER := 0; 117 118-- TASK TO SYNCHRONIZE THE MNT_COUNT VARIABLE 119 120 TASK MNT_COUNTER IS 121 ENTRY INCR; 122 ENTRY DECR; 123 END MNT_COUNTER; 124 125-- SYNCHRONIZING TASK 126 127 TASK BODY MNT_COUNTER IS 128 BEGIN 129 LOOP 130 SELECT 131 ACCEPT INCR DO 132 MNT_COUNT := MNT_COUNT +1; 133 END INCR; 134 135 OR ACCEPT DECR DO 136 MNT_COUNT := MNT_COUNT -1; 137 END DECR; 138 139 OR TERMINATE; 140 141 END SELECT; 142 END LOOP; 143 END MNT_COUNTER; 144 145-- INCREMENT THE MNT_COUNT WHEN A TASK IS CREATED 146-- 147 FUNCTION F RETURN INTEGER IS 148 BEGIN 149 MNT_COUNTER.INCR; 150 RETURN 0; 151 END F; 152 153-- CHECK THAT THE MUST NOT BE TERMINATED TASKS ARE 154-- NOT YET TERMINATED AND THAT THE SYNCRHONIZING TASK 155-- ITSELF IS NOT TERMINATED. 156-- 157 PROCEDURE CHECK IS 158 BEGIN 159 IF MNT_COUNT /= 0 OR MNT_COUNTER'TERMINATED THEN 160 FAILED ("SOME MUST-NOT-TERMINATE TASK WAS PREMATURELY " & 161 "TERMINATED"); 162 END IF; 163-- RESET THE COUNT FOR THE NEXT SUBTEST: 164 MNT_COUNT := 0; 165 END CHECK; 166 167-- A MUST NOT BE TERMINATED TASK. DELAY LONG ENOUGH 168-- TO BE THE LAST TASK OF A SCOPE TO TERMINATE. THEN 169-- DECREMENT THE COUNTER. 170-- 171 TASK BODY MNT_TASK IS 172 BEGIN 173 DELAY 5.0 * Impdef.One_Second; 174 MNT_COUNTER.DECR; 175 END MNT_TASK; 176 177 -- *********************************************** 178 -- END OF DEFINITIONS FOR MUST NOT TERMINATE TASKS 179 -- *********************************************** 180 181 TASK BODY T IS 182 BEGIN 183 LOOP 184 SELECT 185 ACCEPT E DO 186 FAILED ("SOME TYPE U TASK WAS ACTIVATED"); 187 END E; 188 189 OR TERMINATE; 190 END SELECT; 191 END LOOP; 192 END T; 193 194 -- TASKS OF TYPE UNACTIVATED MUST NEVER BE ACTIVATED. 195 -- 196 TASK BODY UNACTIVATED IS 197 BEGIN 198 T.E; 199 END UNACTIVATED; 200END C93005G_PK1; 201 202WITH REPORT, C93005G_PK1; 203USE REPORT, C93005G_PK1; 204WITH SYSTEM; USE SYSTEM; 205PROCEDURE C93005G IS 206 207 208BEGIN 209 210 TEST("C93005G", "TEST EXCEPTIONS TERMINATE NOT YET ACTIVATED " & 211 "TASKS"); 212 213 COMMENT("SUBTEST 5: TASK IN STATEMENT PART OF BLOCK"); 214 COMMENT(" THE TASKS DON'T DEPEND ON THE DECLARATIVE PART"); 215B51: DECLARE 216 X : MNT; 217 BEGIN 218B52: DECLARE 219 Y : MNT; 220 PTR : ACC_BAD_REC; 221 BEGIN 222 PTR := NEW BAD_REC; 223 FAILED ("EXCEPTION NOT RAISED"); 224 EXCEPTION 225 WHEN CONSTRAINT_ERROR => 226 NULL; 227 WHEN OTHERS => 228 FAILED ("WRONG EXCEPTION IN B52"); 229 END B52; 230 231 COMMENT ("SUBTEST 5: COMPLETED"); 232 EXCEPTION 233 WHEN OTHERS => 234 FAILED ("EXCEPTION NOT ABSORBED"); 235 END B51; 236 237 CHECK; 238 239 RESULT; 240 241EXCEPTION 242 WHEN OTHERS => 243 FAILED ("EXCEPTION NOT ABSORBED"); 244 RESULT; 245END C93005G; 246