diff -r fd16c54261b3 -r 90ce3da70b43 jdk/test/java/nio/channels/Selector/SelectAndClose.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/test/java/nio/channels/Selector/SelectAndClose.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,79 @@ +/* + * Copyright 2004 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +/* @test + * @bug 5004077 + * @summary Check blocking of select and close + */ + +import java.nio.channels.*; +import java.io.IOException; + +public class SelectAndClose { + static Selector selector; + static boolean awakened = false; + static boolean closed = false; + + public static void main(String[] args) throws Exception { + selector = Selector.open(); + + // Create and start a selector in a separate thread. + new Thread(new Runnable() { + public void run() { + try { + selector.select(); + awakened = true; + } catch (IOException e) { + System.err.println(e); + } + } + }).start(); + + // Wait for above thread to get to select() before we call close. + Thread.sleep(3000); + + // Try to close. This should wakeup select. + new Thread(new Runnable() { + public void run() { + try { + selector.close(); + closed = true; + } catch (IOException e) { + System.err.println(e); + } + } + }).start(); + + // Wait for select() to be awakened, which should be done by close. + Thread.sleep(3000); + + if (!awakened) + selector.wakeup(); + + // Correct result is true and true + if (!awakened) + throw new RuntimeException("Select did not wake up"); + if (!closed) + throw new RuntimeException("Selector did not close"); + } +}