summaryrefslogtreecommitdiff
path: root/gcc/testsuite/ada/acats/tests/c9/c94001b.ada
blob: e3e2edaa3ae8ed2c04527978bdf2eaa73b296d70 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
-- C94001B.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 A UNIT WITH DEPENDENT TASKS CREATED BY AN OBJECT
-- DECLARATION OF LIMITED PRIVATE TYPE IS NOT TERMINATED UNTIL ALL
-- DEPENDENT TASKS BECOME TERMINATED.
-- SUBTESTS ARE:
--   (A, B)  A SIMPLE TASK OBJECT, IN A BLOCK.
--   (C, D)  AN ARRAY OF TASK OBJECT, IN A FUNCTION.
--   (E, F)  AN ARRAY OF RECORD OF TASK OBJECT, IN A TASK BODY.

-- THIS TEST CONTAINS SHARED VARIABLES AND RACE CONDITIONS.

-- TBN  8/22/86
-- PWN 01/31/95  REMOVED PRAGMA PRIORITY FOR ADA 9X.

with Impdef;
WITH REPORT; USE REPORT;
WITH SYSTEM; USE SYSTEM;
PROCEDURE C94001B IS

     PACKAGE P IS
          MY_EXCEPTION : EXCEPTION;
          GLOBAL : INTEGER;
          TYPE TT IS LIMITED PRIVATE;
          PROCEDURE CALL_ENTRY (A : TT; B : INTEGER);
     PRIVATE
          TASK TYPE TT IS
               ENTRY E (I : INTEGER);
          END TT;
     END P;

     PACKAGE BODY P IS

          PROCEDURE CALL_ENTRY (A : TT; B : INTEGER) IS
          BEGIN
               A.E (B);
          END CALL_ENTRY;

          TASK BODY TT IS
               LOCAL : INTEGER;
          BEGIN
               ACCEPT E (I : INTEGER) DO
                    LOCAL := I;
               END E;
               DELAY 30.0 * Impdef.One_Second;    -- SINCE THE PARENT UNIT HAS HIGHER
                              -- PRIORITY AT THIS POINT, IT WILL
                              -- RECEIVE CONTROL AND TERMINATE IF
                              -- THE ERROR IS PRESENT.
               GLOBAL := LOCAL;
          END TT;
     END P;

     USE P;


BEGIN
     TEST ("C94001B", "CHECK THAT A UNIT WITH DEPENDENT TASKS " &
                      "CREATED BY AN OBJECT DECLARATION OF LIMITED " &
                      "PRIVATE TYPE IS NOT TERMINATED UNTIL ALL " &
                      "DEPENDENT TASKS BECOME TERMINATED");

     --------------------------------------------------

     GLOBAL := IDENT_INT (0);

     DECLARE -- (A)

          T : TT;

     BEGIN -- (A)

          CALL_ENTRY (T, IDENT_INT(1));

     END; -- (A)

     IF GLOBAL /= 1 THEN
          FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
                  "BLOCK EXIT - 1");
     END IF;

     --------------------------------------------------

     GLOBAL := IDENT_INT (0);

     BEGIN -- (B)
          DECLARE
               T : TT;
          BEGIN
               CALL_ENTRY (T, IDENT_INT(2));
               RAISE MY_EXCEPTION;
          END;

          FAILED ("MY_EXCEPTION WAS NOT RAISED - 2");
     EXCEPTION
          WHEN MY_EXCEPTION =>
               IF GLOBAL /= 2 THEN
                    FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
                            "BLOCK EXIT - 2");
               END IF;
          WHEN OTHERS =>
               FAILED ("UNEXPECTED EXCEPTION - 2");
     END; -- (B)

     --------------------------------------------------

     GLOBAL := IDENT_INT (0);

     DECLARE -- (C)

          I : INTEGER;

          FUNCTION F RETURN INTEGER IS
               A : ARRAY (1..1) OF TT;
          BEGIN
               CALL_ENTRY (A(1), IDENT_INT(3));
               RETURN 0;
          END F;

     BEGIN -- (C)

          I := F;

          IF GLOBAL /= 3 THEN
               FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
                       "FUNCTION EXIT - 3");
          END IF;

     END; -- (C)

     --------------------------------------------------

     GLOBAL := IDENT_INT (0);

     DECLARE -- (D)

          I : INTEGER;

          FUNCTION F RETURN INTEGER IS
               A : ARRAY (1..1) OF TT;
          BEGIN
               CALL_ENTRY (A(1), IDENT_INT(4));
               IF EQUAL (3, 3) THEN
                    RAISE MY_EXCEPTION;
               END IF;
               RETURN 0;
          END F;

     BEGIN -- (D)
          I := F;
          FAILED ("MY_EXCEPTION WAS NOT RAISED - 4");
     EXCEPTION
          WHEN MY_EXCEPTION =>
               IF GLOBAL /= 4 THEN
                    FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
                            "FUNCTION EXIT - 4");
               END IF;
          WHEN OTHERS =>
               FAILED ("UNEXPECTED EXCEPTION - 4");
     END; -- (D)

     --------------------------------------------------

     GLOBAL := IDENT_INT (0);

     DECLARE -- (E)

          LOOP_COUNT : INTEGER := 0;
          CUT_OFF : CONSTANT := 60 * 60;     -- ONE HOUR DELAY.

          TASK TSK IS
               ENTRY ENT;
          END TSK;

          TASK BODY TSK IS
               TYPE RT IS
                    RECORD
                         T : TT;
                    END RECORD;
               AR : ARRAY (1..1) OF RT;
          BEGIN
               CALL_ENTRY (AR(1).T, IDENT_INT(5));
          END TSK;

     BEGIN -- (E)

          WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP
               DELAY 1.0 * Impdef.One_Second;
               LOOP_COUNT := LOOP_COUNT + 1;
          END LOOP;

          IF LOOP_COUNT >= CUT_OFF THEN
               FAILED ("DEPENDENT TASK NOT TERMINATED WITHIN ONE " &
                       "HOUR - 5");
          ELSIF GLOBAL /= 5 THEN
               FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
                       "TASK EXIT - 5");
          END IF;

     END; -- (E)

     --------------------------------------------------

     GLOBAL := IDENT_INT (0);

     DECLARE -- (F)

          LOOP_COUNT : INTEGER := 0;
          CUT_OFF : CONSTANT := 60 * 60;     -- ONE HOUR DELAY.

          TASK TSK IS
               ENTRY ENT;
          END TSK;

          TASK BODY TSK IS
               TYPE RT IS
                    RECORD
                         T : TT;
                    END RECORD;
               AR : ARRAY (1..1) OF RT;
          BEGIN
               CALL_ENTRY (AR(1).T, IDENT_INT(6));
               IF EQUAL (3, 3) THEN
                    RAISE MY_EXCEPTION;
               END IF;
               FAILED ("EXCEPTION WAS NOT RAISED - 6");
          END TSK;

     BEGIN -- (F)

          WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP
               DELAY 1.0 * Impdef.One_Second;
               LOOP_COUNT := LOOP_COUNT + 1;
          END LOOP;

          IF LOOP_COUNT >= CUT_OFF THEN
               FAILED ("DEPENDENT TASK NOT TERMINATED WITHIN ONE " &
                       "HOUR - 6");
          ELSIF GLOBAL /= 6 THEN
               FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
                       "TASK EXIT - 6");
          END IF;

     END; -- (F)

     RESULT;
END C94001B;