/* * Copyright (c) 2004, 2010, 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 * or visit www.oracle.com if you need additional information or have any * questions. */ /* @test * @bug 4953599 * @run main/timeout=15 CheckLocking * @summary check if setInterest blocks while in select */ import java.nio.*; import java.nio.channels.*; import java.nio.channels.spi.*; import java.net.*; public class CheckLocking implements Runnable { private static Selector selector; public CheckLocking() { } public void run() { try { selector.select(); } catch (Throwable th) { th.printStackTrace(); } } private static void doSelect() throws Exception { Thread thread = new Thread(new CheckLocking()); thread.start(); Thread.sleep(1000); } public static void main (String[] args) throws Exception { selector = SelectorProvider.provider().openSelector(); SocketChannel sc = SocketChannel.open(); sc.configureBlocking(false); SelectionKey sk = sc.register(selector,0,null); doSelect(); sk.interestOps(SelectionKey.OP_READ); selector.wakeup(); sc.close(); selector.close(); } }