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
|
-- C97305B.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 IF THE RENDEZVOUS IS IMMEDIATELY POSSIBLE (FOR A
-- TIMED ENTRY CALL), IT IS PERFORMED.
-- CASE B: ENTRY FAMILY; THE CALLED TASK IS EXECUTING A SELECTIVE WAIT.
-- WRG 7/13/86
-- PWN 09/11/94 REMOVED PRAGMA PRIORITY FOR ADA 9X.
with Impdef;
WITH REPORT; USE REPORT;
WITH SYSTEM; USE SYSTEM;
PROCEDURE C97305B IS
RENDEZVOUS_OCCURRED : BOOLEAN := FALSE;
STATEMENTS_AFTER_CALL_EXECUTED : BOOLEAN := FALSE;
COUNT : POSITIVE := 1;
ZERO : DURATION := 1.0;
BEGIN
TEST ("C97305B", "CHECK THAT IF THE RENDEZVOUS IS IMMEDIATELY " &
"POSSIBLE (FOR A TIMED ENTRY CALL), IT " &
"IS PERFORMED");
IF EQUAL (3, 3) THEN
ZERO := 0.0;
END IF;
DECLARE
TASK T IS
ENTRY E (1..3) (B : IN OUT BOOLEAN);
END T;
TASK BODY T IS
BEGIN
SELECT
ACCEPT E (2) (B : IN OUT BOOLEAN) DO
B := IDENT_BOOL (TRUE);
END E;
OR
ACCEPT E (3) (B : IN OUT BOOLEAN);
FAILED ("NONEXISTENT ENTRY CALL ACCEPTED");
END SELECT;
END T;
BEGIN
WHILE NOT STATEMENTS_AFTER_CALL_EXECUTED LOOP
DELAY 1.0 * Impdef.One_Second;
SELECT
T.E (2) (RENDEZVOUS_OCCURRED);
STATEMENTS_AFTER_CALL_EXECUTED := IDENT_BOOL (TRUE);
OR
DELAY ZERO;
IF COUNT < 60 * 60 THEN
COUNT := COUNT + 1;
ELSE
FAILED ("NO RENDEZVOUS AFTER AT LEAST ONE " &
"HOUR ELAPSED");
EXIT;
END IF;
END SELECT;
END LOOP;
END;
IF NOT RENDEZVOUS_OCCURRED THEN
FAILED ("RENDEZVOUS DID NOT OCCUR");
END IF;
IF COUNT > 1 THEN
COMMENT ("DELAYED" & POSITIVE'IMAGE(COUNT) & " SECONDS");
END IF;
RESULT;
END C97305B;
|
