69 lines
2.3 KiB
Java
69 lines
2.3 KiB
Java
/*
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* Copyright (c) 1999, 2016, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* 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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import java.util.concurrent.CountDownLatch;
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public class Stop {
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public static void main(String[] args) throws Exception {
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final CountDownLatch ready = new CountDownLatch(1);
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final ThreadGroup group = new ThreadGroup("");
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final Thread second = new Thread(group, () -> {
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ready.countDown();
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while (true) {
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try {
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Thread.sleep(60000);
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} catch (InterruptedException shouldNotHappen) {
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}
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}
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});
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final Thread first = new Thread(group, () -> {
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// Wait until "second" is started
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try {
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ready.await();
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} catch (InterruptedException shouldNotHappen) {
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}
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// Now stop the group
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group.stop();
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});
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// Launch two threads as part of the same thread group
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first.start();
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second.start();
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// Check that the second thread is terminated when the
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// first thread terminates the thread group.
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second.join();
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// Test passed - if never get here the test times out and fails.
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}
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}
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