67 lines
2.1 KiB
Java
67 lines
2.1 KiB
Java
/*
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* Copyright 1999 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/**
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* @test
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* @bug 4176355
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* @summary Stopping a ThreadGroup that contains the current thread has
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* unpredictable results.
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*/
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public class Stop implements Runnable {
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private static Thread first=null;
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private static Thread second=null;
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private static ThreadGroup group = new ThreadGroup("");
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Stop() {
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Thread thread = new Thread(group, this);
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if (first == null)
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first = thread;
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else
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second = thread;
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thread.start();
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}
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public void run() {
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while (true) {
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try {
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Thread.sleep(1000); // Give other thread a chance to start
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if (Thread.currentThread() == first)
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group.stop();
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} catch(InterruptedException e){
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}
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}
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}
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public static void main(String[] args) throws Exception {
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for (int i=0; i<2; i++)
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new Stop();
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Thread.sleep(3000);
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boolean failed = second.isAlive();
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first.stop(); second.stop();
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if (failed)
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throw new RuntimeException("Failure.");
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}
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}
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