--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/unix/classes/java/net/PlainDatagramSocketImpl.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2007,2011, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+package java.net;
+
+import java.io.IOException;
+import java.util.Set;
+import java.util.HashSet;
+import java.util.Collections;
+import jdk.net.*;
+import static sun.net.ExtendedOptionsImpl.*;
+
+/*
+ * On Unix systems we simply delegate to native methods.
+ *
+ * @author Chris Hegarty
+ */
+
+class PlainDatagramSocketImpl extends AbstractPlainDatagramSocketImpl
+{
+    static {
+        init();
+    }
+
+    protected <T> void setOption(SocketOption<T> name, T value) throws IOException {
+        if (!name.equals(ExtendedSocketOptions.SO_FLOW_SLA)) {
+            super.setOption(name, value);
+        } else {
+            if (isClosed()) {
+                throw new SocketException("Socket closed");
+            }
+            checkSetOptionPermission(name);
+            checkValueType(value, SocketFlow.class);
+            setFlowOption(getFileDescriptor(), (SocketFlow)value);
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    protected <T> T getOption(SocketOption<T> name) throws IOException {
+        if (!name.equals(ExtendedSocketOptions.SO_FLOW_SLA)) {
+            return super.getOption(name);
+        }
+        if (isClosed()) {
+            throw new SocketException("Socket closed");
+        }
+        checkGetOptionPermission(name);
+        SocketFlow flow = SocketFlow.create();
+        getFlowOption(getFileDescriptor(), flow);
+        return (T)flow;
+    }
+
+    protected Set<SocketOption<?>> supportedOptions() {
+        HashSet<SocketOption<?>> options = new HashSet<>(
+            super.supportedOptions());
+
+        if (flowSupported()) {
+            options.add(ExtendedSocketOptions.SO_FLOW_SLA);
+        }
+        return options;
+    }
+
+    protected synchronized native void bind0(int lport, InetAddress laddr)
+        throws SocketException;
+
+    protected native void send(DatagramPacket p) throws IOException;
+
+    protected synchronized native int peek(InetAddress i) throws IOException;
+
+    protected synchronized native int peekData(DatagramPacket p) throws IOException;
+
+    protected synchronized native void receive0(DatagramPacket p)
+        throws IOException;
+
+    protected native void setTimeToLive(int ttl) throws IOException;
+
+    protected native int getTimeToLive() throws IOException;
+
+    @Deprecated
+    protected native void setTTL(byte ttl) throws IOException;
+
+    @Deprecated
+    protected native byte getTTL() throws IOException;
+
+    protected native void join(InetAddress inetaddr, NetworkInterface netIf)
+        throws IOException;
+
+    protected native void leave(InetAddress inetaddr, NetworkInterface netIf)
+        throws IOException;
+
+    protected native void datagramSocketCreate() throws SocketException;
+
+    protected native void datagramSocketClose();
+
+    protected native void socketSetOption(int opt, Object val)
+        throws SocketException;
+
+    protected native Object socketGetOption(int opt) throws SocketException;
+
+    protected native void connect0(InetAddress address, int port) throws SocketException;
+
+    protected native void disconnect0(int family);
+
+    /**
+     * Perform class load-time initializations.
+     */
+    private native static void init();
+}