test/java/net/DatagramSocket/InheritHandle.java

/*
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 * 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 4945514
 * @summary DatagramSocket should make handle not inherited
 */

import java.net.*;

public class InheritHandle {
    public static void main(String[] args) throws Exception {
        DatagramSocket sock = new DatagramSocket (0);
        sock.setReuseAddress(true);
        int port = sock.getLocalPort();

        /**
         * spawn a child to check whether handle passed to it or not;
         * it shouldn't
         */
        Runtime.getRuntime().exec ("sleep 10");

        sock.close();
        sock = new DatagramSocket (null);
        sock.setReuseAddress(true);
        sock.bind(new InetSocketAddress(port));
    }
}