91 lines
2.6 KiB
Java
91 lines
2.6 KiB
Java
/*
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* Copyright (c) 2002, 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 4680160
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* @summary The deprecated Thread.stop exposes un-checked JNI calls
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* that result in crashes when NULL is passed into subsequent
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* JNI calls.
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*/
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import java.net.*;
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import java.io.IOException;
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public class ThreadStop {
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static class Server implements Runnable {
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ServerSocket ss;
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Server() throws IOException {
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ss = new ServerSocket(0);
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}
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public int localPort() {
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return ss.getLocalPort();
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}
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public void run() {
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try {
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Socket s = ss.accept();
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} catch (IOException ioe) {
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} catch (ThreadDeath x) {
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} finally {
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try {
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ss.close();
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} catch (IOException x) { }
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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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// start a server
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Server svr = new Server();
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Thread thr = new Thread(svr);
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thr.start();
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// give server time to block in ServerSocket.accept()
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Thread.sleep(2000);
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// "stop" the thread
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thr.stop();
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// give thread time to stop
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Thread.sleep(2000);
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// it's platform specific if Thread.stop interrupts the
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// thread - on Linux/Windows most likely that thread is
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// still in accept() so we connect to server which causes
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// it to unblock and do JNI-stuff with a pending exception
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try (Socket s = new Socket("localhost", svr.localPort())) {
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} catch (IOException ioe) {
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}
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thr.join();
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}
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}
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