Imported GNU Classpath 0.20

       * Makefile.am (AM_CPPFLAGS): Add classpath/include.
       * java/nio/charset/spi/CharsetProvider.java: New override file.
       * java/security/Security.java: Likewise.
       * sources.am: Regenerated.
       * Makefile.in: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@109831 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 613 insertions, 18 deletions

diff --git a/libjava/classpath/vm/reference/gnu/classpath/jdwp/VMVirtualMachine.java b/libjava/classpath/vm/reference/gnu/classpath/jdwp/VMVirtualMachine.java
index 30826b7b1a4..aa285cb58a6 100644
--- a/libjava/classpath/vm/reference/gnu/classpath/jdwp/VMVirtualMachine.java
+++ b/libjava/classpath/vm/reference/gnu/classpath/jdwp/VMVirtualMachine.java
@@ -42,6 +42,7 @@ exception statement from your version. */
 package gnu.classpath.jdwp;
 
 import gnu.classpath.jdwp.event.EventRequest;
+import gnu.classpath.jdwp.exception.JdwpException;
 import gnu.classpath.jdwp.exception.InvalidClassException;
 import gnu.classpath.jdwp.exception.InvalidObjectException;
 import gnu.classpath.jdwp.id.ObjectId;
@@ -68,12 +69,14 @@ public class VMVirtualMachine
    *
    * @param  thread  the thread to suspend
    */
-  public static native void suspendThread (Thread thread);
+  public static native void suspendThread (Thread thread)
+    throws JdwpException;
 
   /**
    * Suspend all threads
    */
   public static void suspendAllThreads ()
+    throws JdwpException
   {
     // Our JDWP thread group -- don't suspend any of those threads
     Thread current = Thread.currentThread ();
@@ -118,7 +121,8 @@ public class VMVirtualMachine
    *
    * @param  thread  the thread to resume
    */
-  public static native void resumeThread (Thread thread);
+  public static native void resumeThread (Thread thread)
+    throws JdwpException;
 
   /**
    * Resume all threads. This simply decrements the thread's
@@ -126,6 +130,7 @@ public class VMVirtualMachine
    * to run.
    */
   public static void resumeAllThreads ()
+    throws JdwpException
   {
     // Our JDWP thread group -- don't resume
     Thread current = Thread.currentThread ();
@@ -167,17 +172,20 @@ public class VMVirtualMachine
    * @param  thread  the thread whose suspend count is desired
    * @return the number of times the thread has been suspended
    */
-  public static native int getSuspendCount (Thread thread);
+  public static native int getSuspendCount (Thread thread)
+    throws JdwpException;
  
   /**
    * Returns a count of the number of loaded classes in the VM
    */
-  public static native int getAllLoadedClassesCount ();
+  public static native int getAllLoadedClassesCount ()
+    throws JdwpException;
 
   /**
    * Returns an iterator over all the loaded classes in the VM
    */
-  public static native Iterator getAllLoadedClasses ();
+  public static native Iterator getAllLoadedClasses ()
+    throws JdwpException;
 
   /**
    * Returns the status of the given class
@@ -186,7 +194,8 @@ public class VMVirtualMachine
    * @return a flag containing the class's status
    * @see JdwpConstants.ClassStatus
    */
-  public static native int getClassStatus (Class clazz);
+  public static native int getClassStatus (Class clazz)
+    throws JdwpException;
 
 
   /**
@@ -198,7 +207,8 @@ public class VMVirtualMachine
    * @return a list of frames
    */
   public static native ArrayList getFrames (Thread thread, int strart,
-					    int length);
+					    int length)
+    throws JdwpException;
 
   /**
    * Returns the frame for a given thread with the frame ID in
@@ -210,7 +220,8 @@ public class VMVirtualMachine
    * @param  bb      buffer containing the frame's ID
    * @return the desired frame
    */
-  public static native VMFrame getFrame (Thread thread, ByteBuffer bb);
+  public static native VMFrame getFrame (Thread thread, ByteBuffer bb)
+    throws JdwpException;
 
   /**
    * Returns the number of frames in the thread's stack
@@ -218,7 +229,8 @@ public class VMVirtualMachine
    * @param  thread  the thread for which to get a frame count
    * @return the number of frames in the thread's stack
    */
-  public static native int getFrameCount (Thread thread);
+  public static native int getFrameCount (Thread thread)
+    throws JdwpException;
 
 
   /**
@@ -228,7 +240,8 @@ public class VMVirtualMachine
    * @return integer status of the thread
    * @see JdwpConstants.ThreadStatus
    */
-  public static native int getThreadStatus (Thread thread);
+  public static native int getThreadStatus (Thread thread)
+    throws JdwpException;
 
   /**
    * Returns a list of all classes which this class loader has been
@@ -237,7 +250,8 @@ public class VMVirtualMachine
    * @param  cl  the class loader
    * @return a list of all visible classes
    */
-  public static native ArrayList getLoadRequests (ClassLoader cl);
+  public static native ArrayList getLoadRequests (ClassLoader cl)
+    throws JdwpException;
 
   /**
    * Executes a method in the virtual machine
@@ -254,7 +268,8 @@ public class VMVirtualMachine
   public static native MethodResult executeMethod (Object obj, Thread thread,
 					    Class clazz, Method method,
 					    Object[] values,
-					    boolean nonVirtual);
+					    boolean nonVirtual)
+    throws JdwpException;
 
   /**
    * "Returns variable information for the method. The variable table
@@ -266,7 +281,8 @@ public class VMVirtualMachine
    * @param  method  the method for which variable information is desired
    * @return a result object containing the information
    */
-  public static native VariableTable getVarTable (Class clazz, Method method);
+  public static native VariableTable getVarTable (Class clazz, Method method)
+    throws JdwpException;
 
   /**
    * "Returns line number information for the method, if present. The line
@@ -279,7 +295,8 @@ public class VMVirtualMachine
    * @param  method  the method whose line table is desired
    * @return a result object containing the line table
    */
-  public static native LineTable getLineTable (Class clazz, Method method);
+  public static native LineTable getLineTable (Class clazz, Method method)
+    throws JdwpException;
 
   /**
    * "Returns the name of source file in which a reference type was declared"
@@ -288,7 +305,8 @@ public class VMVirtualMachine
    * @return a string containing the source file name; "no path information
    *         for the file is included"
    */
-  public static native String getSourceFile (Class clazz);
+  public static native String getSourceFile (Class clazz)
+    throws JdwpException;
 
   /**
    * Register a request from the debugger
@@ -299,14 +317,16 @@ public class VMVirtualMachine
    * or do some internal work to set up the event notification (useful for
    * execution-related events like breakpoints, single-stepping, etc.).
    */
-  public static native void registerEvent (EventRequest request);
+  public static native void registerEvent (EventRequest request)
+    throws JdwpException;
 
   /**
    * Unregisters the given request
    *
    * @param  request  the request to unregister
    */
-  public static native void unregisterEvent (EventRequest request);
+  public static native void unregisterEvent (EventRequest request)
+    throws JdwpException;
 
 
   /**
@@ -314,5 +334,6 @@ public class VMVirtualMachine
    *
    * @param  kind  the type of events to clear
    */
-  public static native void clearEvents (byte kind);
+  public static native void clearEvents (byte kind)
+    throws JdwpException;
 }
diff --git a/libjava/classpath/vm/reference/gnu/java/net/VMPlainDatagramSocketImpl.java b/libjava/classpath/vm/reference/gnu/java/net/VMPlainDatagramSocketImpl.java
new file mode 100644
index 00000000000..958c2187412
--- /dev/null
+++ b/libjava/classpath/vm/reference/gnu/java/net/VMPlainDatagramSocketImpl.java
@@ -0,0 +1,260 @@
+/* PlainDatagramSocketImpl.java -- VM interface for DatagramSocket impl
+   Copyright (C) 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.net;
+
+import gnu.classpath.Configuration;
+
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.SocketAddress;
+import java.net.SocketException;
+
+/**
+ * The VM interface for {@link gnu.java.net.PlainDatagramSocketImpl}.
+ *
+ * @author Ingo Proetel (proetel@aicas.com)
+ * @author Roman Kennke (kennke@aicas.com)
+ */
+public final class VMPlainDatagramSocketImpl
+{
+  /**
+   * Option id for the IP_TTL (time to live) value.
+   */
+  static final int IP_TTL = 0x1E61; // 7777
+
+
+  // Static initializer to load native library
+  static
+  {
+    if (Configuration.INIT_LOAD_LIBRARY)
+      {
+        System.loadLibrary("javanet");
+      }
+  }
+  
+  /**
+   * Binds this socket to a particular port and interface
+   *
+   * @param socket the socket object
+   * @param port the port to bind to
+   * @param addr the address to bind to
+   *
+   * @throws SocketException If an error occurs
+   */  
+  static native void bind(PlainDatagramSocketImpl socket, int port,
+                          InetAddress addr) 
+    throws SocketException;
+
+  /**
+   * Creates a new datagram socket.
+   *
+   * @param socket the socket object
+   *
+   * @throws SocketException If an error occurs
+   */
+  static native void create(PlainDatagramSocketImpl socket)
+    throws SocketException;
+
+  /**
+   * Connects to the remote address and port specified as arguments.
+   *
+   * @param socket the socket object
+   * @param addr the remote address to connect to
+   * @param port the remote port to connect to
+   *
+   * @throws SocketException If an error occurs
+   */
+  static native void connect(PlainDatagramSocketImpl socket, InetAddress addr,
+                             int port)
+    throws SocketException;
+
+  /**
+   * Sends a packet of data to a remote host.
+   *
+   * @param socket the socket object
+   * @param packet the packet to send
+   *
+   * @throws IOException If an error occurs
+   */
+  static void send(PlainDatagramSocketImpl socket, DatagramPacket packet)
+    throws IOException
+  {
+    nativeSendTo(socket, packet.getAddress(), packet.getPort(),
+                 packet.getData(), packet.getOffset(), packet.getLength());
+  }
+
+
+  /**
+   * Sends a packet of data to a remote host.
+   *
+   * @param socket the socket object
+   * @param addr the address to send to
+   * @param port the port to send to 
+   * @param buf the buffer to send
+   * @param offset the offset of the data in the buffer to send
+   * @param len the length of the data to send
+   *
+   * @throws IOException If an error occurs
+   */
+  private static native void nativeSendTo(PlainDatagramSocketImpl socket,
+                                          InetAddress addr, int port,
+                                          byte[] buf, int offset, int len)
+    throws IOException;
+
+  /**
+   * Receives a UDP packet from the network
+   *
+   * @param socket the socket object
+   * @param packet the packet to fill in with the data received
+   *
+   * @throws IOException IOException If an error occurs
+   */
+  static void receive(PlainDatagramSocketImpl socket, DatagramPacket packet)
+    throws IOException
+  {
+    byte[] receiveFromAddress = new byte[4];
+    int[] receiveFromPort = new int[1];
+    int[] receivedLength = new int[1];
+
+    nativeReceive(socket, packet.getData(), packet.getOffset(),
+                  packet.getLength(),
+                  receiveFromAddress, receiveFromPort, receivedLength);
+
+    packet.setAddress(InetAddress.getByAddress(receiveFromAddress));
+    packet.setPort(receiveFromPort[0]);
+    packet.setLength(receivedLength[0]);
+  }
+
+  private static native void nativeReceive(PlainDatagramSocketImpl socket,
+                                           byte[] buf, int offset, int len,
+                                           byte[] receiveFromAddress,
+                                           int[] receiveFromPort,
+                                           int[] receivedLength)
+    throws IOException;
+
+  /**
+   * Sets the value of an option on the socket
+   *
+   * @param socket the socket object
+   * @param optionId the identifier of the option to set
+   * @param value the value of the option to set
+   *
+   * @exception SocketException If an error occurs
+   */
+  static native void setOption(PlainDatagramSocketImpl socket, int optionId,
+                               Object value)
+    throws SocketException;
+
+  /**
+   * Retrieves the value of an option on the socket.
+   *
+   * @param socket the socket object
+   * @param optionId the identifier of the option to retrieve
+   *
+   * @return the value of the option
+   *
+   * @throws SocketException if an error occurs
+   */
+  static native Object getOption(PlainDatagramSocketImpl socket, int optionId)
+    throws SocketException;
+
+  /**
+   * Closes the socket.
+   *
+   * @param socket the socket object
+   */
+  static native void close(PlainDatagramSocketImpl socket);
+
+  /**
+   * Joins a multicast group
+   *
+   * @param addr The group to join
+   *
+   * @exception IOException If an error occurs
+   */
+  static native void join(PlainDatagramSocketImpl socket, InetAddress addr)
+    throws IOException;
+
+  /**
+   * Leaves a multicast group
+   *
+   * @param addr The group to leave
+   *
+   * @exception IOException If an error occurs
+   */
+  static native void leave(PlainDatagramSocketImpl socket, InetAddress addr)
+    throws IOException;
+
+  /**
+   * Joins a multicast group.
+   *
+   * @param socket the socket object
+   * @param address the socket address
+   * @param netIf the network interface
+   *
+   * @throws IOException if I/O errors occur
+   */
+  static void joinGroup(PlainDatagramSocketImpl socket, SocketAddress address,
+                        NetworkInterface netIf)
+    throws IOException
+  {
+    throw new InternalError
+      ("PlainDatagramSocketImpl::joinGroup is not implemented");
+  }
+
+  /**
+   * Leaves a multicast group.
+   *
+   * @param socket the socket object
+   * @param address the socket address
+   * @param netIf the network interface
+   *
+   * @throws IOException if I/O errors occur
+   */
+  static void leaveGroup(PlainDatagramSocketImpl socket, SocketAddress address,
+                         NetworkInterface netIf)
+    throws IOException
+  {
+    throw new InternalError
+      ("PlainDatagramSocketImpl::leaveGroup is not implemented");
+  }
+
+}
diff --git a/libjava/classpath/vm/reference/gnu/java/net/VMPlainSocketImpl.java b/libjava/classpath/vm/reference/gnu/java/net/VMPlainSocketImpl.java
new file mode 100644
index 00000000000..76be558dcd4
--- /dev/null
+++ b/libjava/classpath/vm/reference/gnu/java/net/VMPlainSocketImpl.java
@@ -0,0 +1,314 @@
+/* VMPlainSocketImpl.java -- VM interface for default socket implementation
+   Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.java.net;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.SocketAddress;
+import java.net.SocketException;
+import java.net.SocketImpl;
+import java.net.SocketOptions;
+import java.net.UnknownHostException;
+
+import gnu.classpath.Configuration;
+
+/**
+ * The VM interface for {@link gnu.java.net.PlainSocketImpl}.
+ *
+ * @author Ingo Proetel (proetel@aicas.com)
+ * @author Roman Kennke (kennke@aicas.com)
+ */
+public final class VMPlainSocketImpl
+{
+  /**
+   * Static initializer to load native library.
+   */
+  static
+  {
+    if (Configuration.INIT_LOAD_LIBRARY)
+      {
+        System.loadLibrary("javanet");
+      }
+  }
+
+  /**
+   * Sets the specified option on a socket to the passed in object.
+   * The optionId parameter is one of the defined constants in
+   * the SocketImpl interface.
+   *
+   * @param socket the socket object
+   * @param optionId the identifier of the option
+   * @param value the value to set the option to
+   *
+   * @throws SocketException if an error occurs
+   */
+  static native void setOption(PlainSocketImpl socket, int optionId, Object value)
+    throws SocketException;
+
+  /**
+   * Returns the current setting of the specified option. The optionId
+   * is one of the defined constants in this interface.
+   *
+   * @param socket the socket object
+   * @param optionId the option identifier
+   *
+   * @return the current value of the option
+   *
+   * @throws SocketException ff an error occurs
+   */
+  static native Object getOption(PlainSocketImpl socket, int optionId)
+    throws SocketException;
+
+  /**
+   * Creates a new socket that is not bound to any local address/port and
+   * is not connected to any remote address/port.
+   *
+   * @param socket the socket object
+   *
+   * @throws IOException if something goes wrong while creating the socket
+   */
+  static native void create(PlainSocketImpl socket) throws IOException;
+
+  /**
+   * Connects to the remote address and port specified as arguments.
+   *
+   * @param socket the socket object
+   * @param addr the remote address to connect to
+   * @param port the remote port to connect to
+   *
+   * @throws IOException if an error occurs
+   */
+  static native void connect(PlainSocketImpl socket, InetAddress addr,
+                             int port) throws IOException;
+
+  /**
+   * Binds to the specified port on the specified addr.  Note that this addr
+   * must represent a local IP address.  **** How bind to INADDR_ANY? ****
+   *
+   * @param socket the socket object
+   * @param addr the address to bind to
+   * @param port the port number to bind to
+   *
+   * @exception IOException If an error occurs
+   */
+  static native void bind(PlainSocketImpl socket, InetAddress addr, int port)
+    throws IOException;
+
+  /**
+   * Starts listening for connections on a socket. The queueLen parameter
+   * is how many pending connections will queue up waiting to be serviced
+   * before being accepted.  If the queue of pending requests exceeds this
+   * number, additional connections will be refused.
+   *
+   * @param socket the socket object
+   * @param queueLen the length of the pending connection queue
+   * 
+   * @exception IOException if an error occurs
+   */
+  static native void listen(PlainSocketImpl socket, int queueLen)
+    throws IOException;
+
+  /**
+   * Accepts a new connection on this socket.
+   *
+   * @param socket the socket object
+   * @param impl the socket object to accept this connection.
+   */
+  static native void accept(PlainSocketImpl socket, SocketImpl impl)
+    throws IOException;
+
+  /**
+   * Returns the number of bytes that the caller can read from this socket
+   * without blocking. 
+   *
+   * @param socket the socket object
+   *
+   * @return the number of readable bytes before blocking
+   *
+   * @throws IOException If an error occurs
+   */
+  static native int available(PlainSocketImpl socket) throws IOException;
+
+  /**
+   * Closes the socket.  This will cause any InputStream or OutputStream
+   * objects for this Socket to be closed as well.
+   *
+   * <p>
+   * Note that if the SO_LINGER option is set on this socket, then the
+   * operation could block.
+   * </p>
+   *
+   * @param socket the socket object
+   *
+   * @throws IOException if an error occurs
+   */
+  static native void close(PlainSocketImpl socket) throws IOException;
+
+  /**
+   * Internal method used by SocketInputStream for reading data from
+   * the connection.  Reads up to len bytes of data into the buffer
+   * buf starting at offset bytes into the buffer.
+   *
+   * @param socket the socket object
+   *
+   * @return the actual number of bytes read or -1 if end of stream.
+   *
+   * @throws IOException if an error occurs
+   */
+  static native int read(PlainSocketImpl socket, byte[] buf, int offset,
+                         int len) throws IOException;
+
+  /**
+   * Internal method used by SocketInputStream for reading data from
+   * the connection.  Reads and returns one byte of data.
+   *
+   * @param socket the socket object
+   *
+   * @return read byte or -1 if end of stream.
+   *
+   * @throws IOException if an error occurs
+   */
+  static int read(PlainSocketImpl socket) throws IOException
+  {
+    byte[] buf = new byte[1];
+    if (read(socket, buf, 0, 1) > 0)
+      return buf[0] & 0xFF;
+    else
+      return -1;
+  }
+
+  /**
+   * Internal method used by SocketOuputStream for writing data to
+   * the connection. Writes up to len bytes of data from the buffer
+   * <code>buf</code> starting at <cod>offset</code> bytes into the buffer.
+   *
+   * @param socket the socket object
+   * @param buf the buffer to write to the stream
+   * @param offset the start offset in the buffer
+   * @param len the number of bytes to write
+   *
+   * @throws IOException if an error occurs
+   */
+  static native void write(PlainSocketImpl socket, byte[] buf, int offset,
+                           int len) throws IOException;
+
+  /**
+   * Internal method used by SocketOuputStream for writing data to
+   * the connection. Writes exactly one byte to the socket.
+   *
+   * @param socket the socket object
+   * @param data the byte to write to the socket
+   *
+   * @throws IOException if an error occurs
+   */
+  static void write(PlainSocketImpl socket, int data)
+    throws IOException
+  {
+    write(socket, new byte[]{ (byte) data }, 0, 1);
+  }
+
+  /**
+   * Sets the input stream for this socket to the end of the stream. Any
+   * attempts to read more bytes from the stream will return an EOF.
+   *
+   * @param socket the socket object
+   *
+   * @throws IOException if I/O errors occur
+   */
+  static native void shutdownInput(PlainSocketImpl socket) throws IOException;
+
+  /**
+   * Disables the output stream for this socket. Any attempt to write more
+   * data to the socket will throw an IOException.
+   *
+   * @param socket the socket object
+   *
+   * @throws IOException if I/O errors occur
+   */
+  static native void shutdownOutput(PlainSocketImpl socket) throws IOException;
+
+  /**
+   * Connects to the remote socket address with a specified timeout.
+   *
+   * @param socket the socket object
+   * @param address the remote address to connect to
+   * @param timeout the timeout to use for this connect, 0 means infinite.
+   *
+   * @throws IOException if an error occurs
+   */
+  static synchronized void connect(PlainSocketImpl socket,
+                                      SocketAddress address, int timeout)
+    throws IOException
+  {
+    InetSocketAddress sockAddr = (InetSocketAddress) address;
+    InetAddress addr = sockAddr.getAddress();
+
+    if (addr == null)
+      throw new UnknownHostException(sockAddr.getHostName());
+
+    int port = sockAddr.getPort();
+
+    if (timeout < 0)
+      throw new IllegalArgumentException("negative timeout");
+
+    Object oldTimeoutObj = null;
+    try
+      {
+        oldTimeoutObj = getOption(socket, SocketOptions.SO_TIMEOUT);
+        setOption(socket, SocketOptions.SO_TIMEOUT, new Integer(timeout));
+        connect(socket, addr, port);
+      }
+    finally
+      {
+        if (oldTimeoutObj != null)
+          setOption(socket, SocketOptions.SO_TIMEOUT, oldTimeoutObj);
+      }
+  }
+
+  /**
+   * Send one byte of urgent data over the socket.
+   *
+   * @param socket the socket object
+   * @param data the byte to send
+   */
+  static void sendUrgendData(PlainSocketImpl socket, int data)
+  {
+    throw new InternalError ("PlainSocketImpl::sendUrgentData not implemented");
+  }
+}