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
|
/*
* Copyright (c) 2003, 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4794413
* @summary Tests that access to temporaryLostComponent from two different threads doesn't cause a deadlock
* @key headful
* @run main TemporaryLostComponentDeadlock
*/
import java.awt.Button;
import java.awt.Dialog;
import java.awt.EventQueue;
import java.awt.Frame;
public class TemporaryLostComponentDeadlock {
static Dialog frame1;
static Frame frame;
public static void main(String[] args) throws Exception {
EventQueue.invokeAndWait(() -> {
frame = new Frame("frame");
frame1 = new Dialog(frame, "Frame 1", false);
frame1.add(new Button("focus owner"));
frame1.pack();
frame1.setLocationRelativeTo(null);
frame1.setVisible(true);
});
Thread t1 = new Thread() {
public void run() {
synchronized(frame1) {
frame1.dispose();
synchronized(frame1) {
frame1.notify();
}
}
}
};
try {
synchronized(frame1) {
t1.start();
frame1.wait();
}
} catch( InterruptedException ie) {
} finally {
if (frame != null) {
frame.dispose();
}
}
System.out.println("Test PASSED");
}
}// class TemporaryLostComponentDeadlock
|
