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/*
* Copyright (c) 2000, 2002, 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.
*/
/* Utility class for test threads
*
*/
import java.io.*;
public abstract class TestThread
extends Thread
{
Exception failure = null;
String name;
protected final PrintStream log;
Thread main;
TestThread(String name, PrintStream log) {
super("TestThread-" + name);
this.name = name;
this.log = log;
this.main = Thread.currentThread();
setDaemon(true);
}
TestThread(String name) {
this(name, System.err);
}
abstract void go() throws Exception;
public void run() {
try {
go();
} catch (Exception x) {
failure = x;
main.interrupt();
}
}
int finish(long timeout) {
try {
join(timeout);
} catch (InterruptedException x) { }
if (isAlive() && (failure == null))
failure = new Exception(name + ": Timed out");
if (failure != null) {
failure.printStackTrace(log);
return 0;
}
return 1;
}
void finishAndThrow(long timeout) throws Exception {
try {
join(timeout);
} catch (InterruptedException x) { }
if (failure != null)
failure = new Exception(name + " threw an exception",
failure);
if (isAlive() && (failure == null))
failure = new Exception(name + " timed out");
if (failure != null)
throw failure;
}
public String toString() {
return name;
}
}
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