1 /* 2 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* @test 25 * @bug 4645302 26 * @summary Socket with OP_WRITE would get selected only once 27 * @author kladko 28 */ 29 30 import java.nio.channels.Selector; 31 import java.nio.channels.SelectionKey; 32 import java.nio.channels.SocketChannel; 33 34 public class SelectWrite { 35 main(String[] argv)36 public static void main(String[] argv) throws Exception { 37 try (ByteServer server = new ByteServer(); 38 SocketChannel sc = SocketChannel.open(server.address())) { 39 40 server.acceptConnection(); 41 42 try (Selector sel = Selector.open()) { 43 sc.configureBlocking(false); 44 sc.register(sel, SelectionKey.OP_WRITE); 45 sel.select(); 46 sel.selectedKeys().clear(); 47 if (sel.select() == 0) { 48 throw new Exception("Select returned zero"); 49 } 50 } 51 } 52 } 53 54 } 55