/*

 * Copyright (c) 2002, 2019, 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.

 *

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 */

/**

 * @test

 * @bug 4680160

 * @summary The deprecated Thread.stop exposes un-checked JNI calls

 *          that result in crashes when NULL is passed into subsequent

 *          JNI calls.

 */

import java.net.*;

import java.io.IOException;

public class ThreadStop {

    static class Server implements Runnable {

        ServerSocket ss;

        Server() throws IOException {

            ss = new ServerSocket();

            ss.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0));

        }

        public int localPort() {

            return ss.getLocalPort();

        }

        public void run() {

            try {

                Socket s = ss.accept();

            } catch (IOException ioe) {

            } catch (ThreadDeath x) {

            } finally {

                try {

                    ss.close();

                } catch (IOException x) { }

            }

        }

    }

    public static void main(String args[]) throws Exception {

        // start a server

        Server svr = new Server();

        Thread thr = new Thread(svr);

        thr.start();

        // give server time to block in ServerSocket.accept()

        Thread.sleep(2000);

        // "stop" the thread

        thr.stop();

        // give thread time to stop

        Thread.sleep(2000);

        // it's platform specific if Thread.stop interrupts the

        // thread - on Linux/Windows most likely that thread is

        // still in accept() so we connect to server which causes

        // it to unblock and do JNI-stuff with a pending exception

        try (Socket s = new Socket(svr.ss.getInetAddress(), svr.localPort())) {

        } catch (IOException ioe) {

        }

        thr.join();

    }

}