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
|
/*
* Copyright (c) 2001, 2015, 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 4513488
* @summary Test for JDI: Internal JDI helper threads should setDaemon(true)
* @author Tim Bell
*
* @run build TestScaffold VMConnection TargetListener TargetAdapter
* @run compile -g DebuggerThreadTest.java
* @run driver DebuggerThreadTest
*/
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;
import java.util.*;
/********** target program **********/
class DebuggerThreadTarg {
public void ready() {
}
public static void main(String[] args){
System.out.println("Howdy!");
DebuggerThreadTarg targ = new DebuggerThreadTarg();
targ.ready();
System.out.println("Goodbye from DebuggerThreadTarg!");
}
}
/********** test program **********/
public class DebuggerThreadTest extends TestScaffold {
DebuggerThreadTest (String args[]) {
super(args);
}
public static void main(String[] args) throws Exception {
new DebuggerThreadTest(args).startTests();
}
/*
* Move to top ThreadGroup and dump all threads.
*/
public void dumpThreads() {
ThreadGroup tg = Thread.currentThread().getThreadGroup();
ThreadGroup parent = tg.getParent();
while (parent != null) {
tg = parent;
parent = tg.getParent();
}
int listThreads = tg.activeCount();
Thread list[] = new Thread[listThreads * 2];
int gotThreads = tg.enumerate(list, true);
for (int i = 0; i < Math.min(gotThreads, list.length); i++){
Thread t = list[i];
String groupName = t.getThreadGroup().getName();
System.out.println("Thread [" + i + "] group = '" +
groupName +
"' name = '" + t.getName() +
"' daemon = " + t.isDaemon());
if (groupName.startsWith("JDI ") &&
(! t.isDaemon())) {
failure("FAIL: non-daemon thread '" + t.getName() +
"' found in ThreadGroup '" + groupName + "'");
}
}
}
protected void runTests() throws Exception {
try {
/*
* Get to the top of ready()
*/
startTo("DebuggerThreadTarg", "ready", "()V");
dumpThreads();
listenUntilVMDisconnect();
} finally {
/*
* deal with results of test
* if anything has called failure("foo") testFailed will be true
*/
if (!testFailed) {
println("DebuggerThreadTest: passed");
} else {
throw new Exception("DebuggerThreadTest: failed");
}
}
return;
}
}
|
