jdk/test/java/nio/channels/Selector/CheckLocking.java
author ohair
Tue, 25 May 2010 15:58:33 -0700
changeset 5506 202f599c92aa
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child 5970 d4e98bbfb0be
permissions -rw-r--r--
6943119: Rebrand source copyright notices Reviewed-by: darcy, weijun
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/*
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 * Copyright (c) 2004, 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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/* @test
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 * @bug 4953599
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 * @run main/timeout=15 CheckLocking
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 * @summary check if setInterest blocks while in select
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 */
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import java.nio.*;
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import java.nio.channels.*;
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import java.nio.channels.spi.*;
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import java.net.*;
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public class CheckLocking implements Runnable {
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    private static Selector selector;
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    public CheckLocking() {
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    }
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    public void run() {
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        try {
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            selector.select();
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        } catch (Throwable th) {
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            th.printStackTrace();
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        }
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    }
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    private static void doSelect() throws Exception {
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        Thread thread = new Thread(new CheckLocking());
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        thread.start();
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        Thread.sleep(1000);
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    }
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    public static void main (String[] args) throws Exception {
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        selector = SelectorProvider.provider().openSelector();
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        SocketChannel sc = SocketChannel.open();
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        sc.configureBlocking(false);
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        SelectionKey sk = sc.register(selector,0,null);
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        doSelect();
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        sk.interestOps(SelectionKey.OP_READ);
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        selector.wakeup();
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    }
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}