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