| /* |
| * Copyright (c) 1999, 2016, 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 4176355 |
| * @summary Stopping a ThreadGroup that contains the current thread has |
| * unpredictable results. |
| */ |
| |
| import java.util.concurrent.CountDownLatch; |
| |
| public class Stop { |
| |
| public static void main(String[] args) throws Exception { |
| final CountDownLatch ready = new CountDownLatch(1); |
| final ThreadGroup group = new ThreadGroup(""); |
| |
| final Thread second = new Thread(group, () -> { |
| ready.countDown(); |
| while (true) { |
| try { |
| Thread.sleep(60000); |
| } catch (InterruptedException shouldNotHappen) { |
| } |
| } |
| }); |
| |
| final Thread first = new Thread(group, () -> { |
| // Wait until "second" is started |
| try { |
| ready.await(); |
| } catch (InterruptedException shouldNotHappen) { |
| } |
| // Now stop the group |
| group.stop(); |
| }); |
| |
| // Launch two threads as part of the same thread group |
| first.start(); |
| second.start(); |
| |
| // Check that the second thread is terminated when the |
| // first thread terminates the thread group. |
| second.join(); |
| // Test passed - if never get here the test times out and fails. |
| } |
| } |