| /* |
| * Copyright (c) 2016, 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 8050499 |
| * @summary Attempt to provoke error 316 on OS X in NativeSignal.signal() |
| */ |
| |
| import java.io.*; |
| import java.net.*; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.DatagramChannel; |
| |
| public class StressNativeSignal { |
| private UDPThread udpThread; |
| private ServerSocketThread serverSocketThread; |
| |
| StressNativeSignal() { |
| try { |
| serverSocketThread = new ServerSocketThread(); |
| serverSocketThread.start(); |
| |
| udpThread = new UDPThread(); |
| udpThread.start(); |
| } catch (Exception z) { |
| z.printStackTrace(); |
| } |
| } |
| |
| public static void main(String[] args) throws Throwable { |
| StressNativeSignal test = new StressNativeSignal(); |
| try { |
| Thread.sleep(3000); |
| } catch (Exception z) { |
| z.printStackTrace(System.err); |
| } |
| |
| test.shutdown(); |
| } |
| |
| public void shutdown() { |
| udpThread.terminate(); |
| try { |
| udpThread.join(); |
| } catch (Exception z) { |
| z.printStackTrace(System.err); |
| } |
| |
| serverSocketThread.terminate(); |
| try { |
| serverSocketThread.join(); |
| } catch (Exception z) { |
| z.printStackTrace(System.err); |
| } |
| } |
| |
| public class ServerSocketThread extends Thread { |
| private volatile boolean shouldTerminate; |
| private ServerSocket socket; |
| |
| public void run() { |
| try { |
| socket = new ServerSocket(1122); |
| Socket client = socket.accept(); |
| BufferedReader reader = new BufferedReader(new InputStreamReader(client.getInputStream())); |
| shouldTerminate = false; |
| while (!shouldTerminate) { |
| String msg = reader.readLine(); |
| } |
| } catch (Exception z) { |
| if (!shouldTerminate) { |
| z.printStackTrace(System.err); |
| } |
| } |
| } |
| |
| public void terminate() { |
| shouldTerminate = true; |
| try { |
| socket.close(); |
| } catch (Exception z) { |
| z.printStackTrace(System.err); |
| // ignore |
| } |
| } |
| } |
| |
| public class UDPThread extends Thread { |
| private DatagramChannel channel; |
| private volatile boolean shouldTerminate; |
| |
| @Override |
| public void run() { |
| try { |
| channel = DatagramChannel.open(); |
| channel.setOption(StandardSocketOptions.SO_RCVBUF, 6553600); |
| channel.bind(new InetSocketAddress(19870)); |
| } catch (IOException z) { |
| z.printStackTrace(System.err); |
| } |
| |
| ByteBuffer buf = ByteBuffer.allocate(6553600); |
| shouldTerminate = false; |
| while (!shouldTerminate) { |
| try { |
| buf.rewind(); |
| channel.receive(buf); |
| } catch (IOException z) { |
| if (!shouldTerminate) { |
| z.printStackTrace(System.err); |
| } |
| } |
| } |
| } |
| |
| public void terminate() { |
| shouldTerminate = true; |
| try { |
| channel.close(); |
| } catch (Exception z) { |
| z.printStackTrace(System.err); |
| // ignore |
| } |
| } |
| } |
| |
| } |