/*

 * Copyright (c) 2004, 2018, 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

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 */

/* @test

 * @bug 5004077 8203765

 * @build SelectorUtils

 * @run main SelectAndClose

 * @summary Check blocking of select and close

 */

import java.io.IOException;

import java.nio.channels.Selector;

public class SelectAndClose {

    static Selector selector;

    static volatile boolean awakened = false;

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

        selector = Selector.open();

        // Create and start a selector in a separate thread.

        Thread selectThread = new Thread(new Runnable() {

                public void run() {

                    try {

                        selector.select();

                        awakened = true;

                    } catch (IOException e) {

                        e.printStackTrace();

                    }

                }

            });

        selectThread.start();

        // spin until make sure select is invoked

        SelectorUtils.spinUntilLocked(selectThread, selector);

        // Close the selector.

        selector.close();

        if (!awakened)

            selector.wakeup();

        // Wait for select() thread to finish.

        selectThread.join();

        if (!awakened) {

            throw new RuntimeException("Select did not awaken!");

        }

    }

}