diff --git a/test/java/nio/channels/Selector/TemporarySelector.java b/test/java/nio/channels/Selector/TemporarySelector.java new file mode 100644 index 0000000000000000000000000000000000000000..c131c327fa7c9cc2f30b7969f93c7670baad17a2 --- /dev/null +++ b/test/java/nio/channels/Selector/TemporarySelector.java @@ -0,0 +1,86 @@ +/* + * Copyright (c) 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 6645197 + * @run main/othervm -Xmx5m TemporarySelector + * @summary Timed read with socket adaptor throws ClosedSelectorException if temporary selector GC'ed. + */ +import java.io.IOException; +import java.net.InetSocketAddress; +import java.net.ServerSocket; +import java.net.Socket; +import java.nio.channels.ServerSocketChannel; +import java.nio.channels.SocketChannel; + +public class TemporarySelector { + + static volatile boolean done = false; + + public static void main(String[] args) throws Exception { + + Runnable r = new Runnable() { + public void run() { + while (!done) { + System.gc(); + try { + Thread.sleep(1000); + } catch (Exception e) { + } + } + } + }; + + try { + // Create a server socket that will open and accept on loopback connection + ServerSocketChannel ssc = ServerSocketChannel.open(); + final ServerSocket ss = ssc.socket(); + ss.bind(new InetSocketAddress(0)); + int localPort = ss.getLocalPort(); + + // Create a client socket that will connect and read + System.out.println("Connecting to server socket"); + System.out.flush(); + SocketChannel channel = SocketChannel.open(new InetSocketAddress("localhost", localPort)); + System.out.println("Connected to server socket"); + System.out.flush(); + + // Create a thread to try and cause the GC to run + Thread t = new Thread(r); + t.start(); + byte[] buffer = new byte[500]; + System.out.println("Reading from socket input stream"); + System.out.flush(); + Socket socket = channel.socket(); + socket.setSoTimeout(10000); // The timeout must be set + // to trigger this bug + try { + socket.getInputStream().read(buffer); + } catch (java.net.SocketTimeoutException ste) { + // no java.nio.channels.ClosedSelectorException + } + } finally { + done = true; + } + } +}