comparison gcc/testsuite/ada/acats/tests/c9/c93005g.ada @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
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
38 WITH REPORT; USE REPORT;
39 WITH SYSTEM; USE SYSTEM;
40 PRAGMA ELABORATE (REPORT);
41 PACKAGE 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
97 END C93005G_PK1;
98
99 with Impdef;
100 PACKAGE 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;
200 END C93005G_PK1;
201
202 WITH REPORT, C93005G_PK1;
203 USE REPORT, C93005G_PK1;
204 WITH SYSTEM; USE SYSTEM;
205 PROCEDURE C93005G IS
206
207
208 BEGIN
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");
215 B51: DECLARE
216 X : MNT;
217 BEGIN
218 B52: 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
241 EXCEPTION
242 WHEN OTHERS =>
243 FAILED ("EXCEPTION NOT ABSORBED");
244 RESULT;
245 END C93005G;