79 lines
2.6 KiB
Java
79 lines
2.6 KiB
Java
/*
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8035897
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* @summary FD_SETSIZE should be set on macosx
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* @run main/othervm AnotherSelectFdsLimit 1023
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* @run main/othervm AnotherSelectFdsLimit 1024
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* @run main/othervm AnotherSelectFdsLimit 1025
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* @run main/othervm AnotherSelectFdsLimit 1600
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*/
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import java.io.IOException;
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import java.net.ServerSocket;
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import java.net.SocketTimeoutException;
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import java.util.ArrayList;
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import java.util.List;
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public class AnotherSelectFdsLimit {
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static final int DEFAULT_FDS_TO_USE = 1600;
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public static void main(String [] args) throws Exception {
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if (!System.getProperty("os.name").contains("OS X")) {
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System.out.println("Test only run on MAC. Exiting.");
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return;
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}
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int fdsToUse = DEFAULT_FDS_TO_USE;
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if (args.length == 1)
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fdsToUse = Integer.parseInt(args[0]);
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System.out.println("Using " + fdsToUse + " fds.");
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List<Thread> threads = new ArrayList<>();
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for (int i=0; i<fdsToUse; i++)
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threads.add(new WorkerThread());
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for (Thread t : threads)
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t.start();
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for (Thread t : threads)
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t.join();
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}
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static class WorkerThread extends Thread {
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public void run() {
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try (ServerSocket ss = new ServerSocket(0)) {
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ss.setSoTimeout(2000);
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ss.accept();
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} catch (SocketTimeoutException x) {
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// expected
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} catch (IOException x) {
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throw new java.io.UncheckedIOException(x);
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}
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}
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}
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}
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