| /* |
| * Copyright (c) 2014, 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 8035897 |
| * @summary FD_SETSIZE should be set on macosx |
| * @run main/othervm AnotherSelectFdsLimit 1023 |
| * @run main/othervm AnotherSelectFdsLimit 1024 |
| * @run main/othervm AnotherSelectFdsLimit 1025 |
| * @run main/othervm AnotherSelectFdsLimit 1600 |
| */ |
| |
| import java.io.IOException; |
| import java.net.ServerSocket; |
| import java.net.SocketTimeoutException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class AnotherSelectFdsLimit { |
| static final int DEFAULT_FDS_TO_USE = 1600; |
| |
| public static void main(String [] args) throws Exception { |
| if (!System.getProperty("os.name").contains("OS X")) { |
| System.out.println("Test only run on MAC. Exiting."); |
| return; |
| } |
| |
| int fdsToUse = DEFAULT_FDS_TO_USE; |
| if (args.length == 1) |
| fdsToUse = Integer.parseInt(args[0]); |
| |
| System.out.println("Using " + fdsToUse + " fds."); |
| |
| List<Thread> threads = new ArrayList<>(); |
| for (int i=0; i<fdsToUse; i++) |
| threads.add(new WorkerThread()); |
| |
| for (Thread t : threads) |
| t.start(); |
| |
| for (Thread t : threads) |
| t.join(); |
| } |
| |
| static class WorkerThread extends Thread { |
| public void run() { |
| try (ServerSocket ss = new ServerSocket(0)) { |
| ss.setSoTimeout(2000); |
| ss.accept(); |
| } catch (SocketTimeoutException x) { |
| // expected |
| } catch (IOException x) { |
| throw new java.io.UncheckedIOException(x); |
| } |
| } |
| } |
| } |