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
|
-- C94002B.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 MASTER UNIT, WHICH ALLOCATES TASKS OF A GLOBAL ACCESS
-- TYPE MAY TERMINATE WITHOUT WAITING FOR THE ALLOCATED TASKS TO
-- TERMINATE.
-- SUBTESTS ARE:
-- (A) A SIMPLE TASK ALLOCATOR, IN A BLOCK.
-- (B) A RECORD OF TASK ALLOCATOR, IN A SUBPROGRAM.
-- (C) A RECORD OF ARRAY OF TASK ALLOCATOR, IN A TASK BODY.
-- JRK 10/8/81
-- SPS 11/2/82
-- SPS 11/21/82
-- JRK 11/29/82
-- TBN 1/20/86 REPLACED WITH C94006A-B.ADA AFTER LOWERING THE DELAY
-- VALUES, AND MODIFYING THE COMMENTS.
-- PWN 09/11/94 REMOVED PRAGMA PRIORITY FOR ADA 9X.
with Impdef;
WITH REPORT; USE REPORT;
WITH SYSTEM; USE SYSTEM;
PROCEDURE C94002B IS
TASK TYPE TT IS
ENTRY E;
END TT;
TASK BODY TT IS
BEGIN
ACCEPT E;
ACCEPT E;
END TT;
BEGIN
TEST ("C94002B", "CHECK THAT A MASTER UNIT, WHICH ALLOCATES " &
"TASKS OF A GLOBAL ACCESS TYPE MAY TERMINATE " &
"WITHOUT WAITING FOR THE ALLOCATED TASKS TO " &
"TERMINATE");
--------------------------------------------------
DECLARE -- (A)
TYPE A_T IS ACCESS TT;
A1 : A_T;
BEGIN -- (A)
DECLARE
A2 : A_T;
BEGIN
A2 := NEW TT;
A2.ALL.E;
A1 := A2;
END;
IF A1.ALL'TERMINATED THEN
FAILED ("ALLOCATED TASK PREMATURELY TERMINATED - (A)");
END IF;
A1.ALL.E;
END; -- (A)
--------------------------------------------------
DECLARE -- (B)
I : INTEGER;
FUNCTION F RETURN INTEGER IS
TYPE RT IS
RECORD
T : TT;
END RECORD;
TYPE ART IS ACCESS RT;
AR1 : ART;
PROCEDURE P (AR : OUT ART) IS
AR2 : ART;
BEGIN
AR2 := NEW RT;
AR2.T.E;
AR := AR2;
END P;
BEGIN
P (AR1);
IF AR1.T'TERMINATED THEN
FAILED ("ALLOCATED TASK PREMATURELY TERMINATED " &
"- (B)");
END IF;
AR1.T.E;
RETURN 0;
END F;
BEGIN -- (B)
I := F;
END; -- (B)
--------------------------------------------------
DECLARE -- (C)
LOOP_COUNT : INTEGER := 0;
CUT_OFF : CONSTANT := 60; -- DELAY.
TASK TSK IS
ENTRY ENT;
END TSK;
TASK BODY TSK IS
LOOP_COUNT1 : INTEGER := 0;
CUT_OFF1 : CONSTANT := 60; -- DELAY.
TYPE RAT;
TYPE ARAT IS ACCESS RAT;
TYPE ARR IS ARRAY (1..1) OF TT;
TYPE RAT IS
RECORD
A : ARAT;
T : ARR;
END RECORD;
ARA1 : ARAT;
TASK TSK1 IS
ENTRY ENT1 (ARA : OUT ARAT);
END TSK1;
TASK BODY TSK1 IS
ARA2 : ARAT;
BEGIN
ARA2 := NEW RAT;
ARA2.T(1).E;
ACCEPT ENT1 (ARA : OUT ARAT) DO
ARA := ARA2;
END ENT1;
END TSK1;
BEGIN
TSK1.ENT1 (ARA1);
WHILE NOT TSK1'TERMINATED AND LOOP_COUNT1 < CUT_OFF1 LOOP
DELAY 1.0 * Impdef.One_Second;
LOOP_COUNT1 := LOOP_COUNT1 + 1;
END LOOP;
IF LOOP_COUNT1 >= CUT_OFF1 THEN
FAILED ("DEPENDENT TASK TSK1 NOT TERMINATED " &
"WITHIN ONE MINUTE - (C)");
END IF;
IF ARA1.T(1)'TERMINATED THEN
FAILED ("ALLOCATED TASK PREMATURELY TERMINATED " &
"- (C)");
END IF;
ARA1.T(1).E;
END TSK;
BEGIN -- (C)
WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP
DELAY 2.0 * Impdef.One_Second;
LOOP_COUNT := LOOP_COUNT + 1;
END LOOP;
IF LOOP_COUNT >= CUT_OFF THEN
FAILED ("DEPENDENT TASK TSK NOT TERMINATED WITHIN " &
"TWO MINUTES - (C)");
END IF;
END; -- (C)
--------------------------------------------------
RESULT;
END C94002B;
|