obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

6 files changed, 859 insertions, 0 deletions

diff --git a/libjava/classpath/java/nio/channels/spi/AbstractInterruptibleChannel.java b/libjava/classpath/java/nio/channels/spi/AbstractInterruptibleChannel.java
new file mode 100644
index 000000000..b1ed7c7f2
--- /dev/null
+++ b/libjava/classpath/java/nio/channels/spi/AbstractInterruptibleChannel.java
@@ -0,0 +1,119 @@
+/* AbstractInterruptibleChannel.java --
+   Copyright (C) 2002, 2004 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 java.nio.channels.spi;
+
+import java.io.IOException;
+import java.nio.channels.AsynchronousCloseException;
+import java.nio.channels.Channel;
+import java.nio.channels.ClosedByInterruptException;
+import java.nio.channels.InterruptibleChannel;
+
+
+/**
+ * @author Michael Koch
+ * @since 1.4
+ */
+public abstract class AbstractInterruptibleChannel
+  implements Channel, InterruptibleChannel
+{
+  private boolean closed;
+
+  /**
+   * Initializes the channel.
+   */
+  protected AbstractInterruptibleChannel()
+  {
+  }
+
+  /**
+   * Marks the beginning of an I/O operation that might block indefinitely.
+   */
+  protected final void begin()
+  {
+  }
+
+  /**
+   * Closes the channel.
+   *
+   * @exception IOException If an error occurs
+   */
+  public final void close() throws IOException
+  {
+    if (! closed)
+      {
+        closed = true;
+        implCloseChannel();
+      }
+  }
+
+  /**
+   * Marks the end of an I/O operation that might block indefinitely.
+   *
+   * @param completed true if the task completed successfully,
+   * false otherwise
+   *
+   * @exception AsynchronousCloseException If the channel was asynchronously
+   * closed.
+   * @exception ClosedByInterruptException If the thread blocked in the
+   * I/O operation was interrupted.
+   */
+  protected final void end(boolean completed)
+    throws AsynchronousCloseException
+  {
+    // FIXME: check more here.
+
+    if (closed) throw new AsynchronousCloseException();
+  }
+
+  /**
+   * Closes the channel.
+   *
+   * @exception IOException If an error occurs
+   */
+  protected abstract void implCloseChannel() throws IOException;
+
+  /**
+   * Tells whether or not this channel is open.
+   *
+   * @return true if the channel is open, false otherwise
+   */
+  public final boolean isOpen()
+  {
+    return ! closed;
+  }
+}
diff --git a/libjava/classpath/java/nio/channels/spi/AbstractSelectableChannel.java b/libjava/classpath/java/nio/channels/spi/AbstractSelectableChannel.java
new file mode 100644
index 000000000..97ed685b8
--- /dev/null
+++ b/libjava/classpath/java/nio/channels/spi/AbstractSelectableChannel.java
@@ -0,0 +1,271 @@
+/* AbstractSelectableChannel.java
+   Copyright (C) 2002, 2003, 2004 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 java.nio.channels.spi;
+
+import java.io.IOException;
+import java.nio.channels.ClosedChannelException;
+import java.nio.channels.SelectableChannel;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.nio.channels.IllegalBlockingModeException;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.ListIterator;
+
+public abstract class AbstractSelectableChannel extends SelectableChannel
+{
+  private boolean blocking = true;
+  private Object LOCK = new Object();
+  private SelectorProvider provider;
+  private LinkedList keys = new LinkedList();
+
+  /**
+   * Initializes the channel
+   *
+   * @param provider the provider that created this channel
+   */
+  protected AbstractSelectableChannel(SelectorProvider provider)
+  {
+    this.provider = provider;
+  }
+
+  /**
+   * Retrieves the object upon which the configureBlocking and register
+   * methods synchronize.
+   *
+   * @return the blocking lock
+   */
+  public final Object blockingLock()
+  {
+    return LOCK;
+  }
+
+  /**
+   * Adjusts this channel's blocking mode.
+   *
+   * @param blocking true if blocking should be enabled, false otherwise
+   *
+   * @return this channel
+   *
+   * @exception IOException If an error occurs
+   */
+  public final SelectableChannel configureBlocking(boolean blocking)
+    throws IOException
+  {
+    synchronized (blockingLock())
+      {
+        if (this.blocking != blocking)
+          {
+            implConfigureBlocking(blocking);
+            this.blocking = blocking;
+          }
+      }
+
+    return this;
+  }
+
+  /**
+   * Closes this channel.
+   *
+   * @exception IOException If an error occurs
+   */
+  protected final void implCloseChannel() throws IOException
+  {
+    try
+      {
+        implCloseSelectableChannel();
+      }
+    finally
+      {
+        for (Iterator it = keys.iterator(); it.hasNext(); )
+          ((SelectionKey) it.next()).cancel();
+      }
+  }
+
+  /**
+   * Closes this selectable channel.
+   *
+   * @exception IOException If an error occurs
+   */
+  protected abstract void implCloseSelectableChannel()
+    throws IOException;
+
+  /**
+   * Adjusts this channel's blocking mode.
+   *
+   * @param blocking true if blocking should be enabled, false otherwise
+   *
+   * @exception IOException If an error occurs
+   */
+  protected abstract void implConfigureBlocking(boolean blocking)
+    throws IOException;
+
+  /**
+   * Tells whether or not every I/O operation on this channel will block
+   * until it completes.
+   *
+   * @return true of this channel is blocking, false otherwise
+   */
+  public final boolean isBlocking()
+  {
+    return blocking;
+  }
+
+  /**
+   * Tells whether or not this channel is currently registered with
+   * any selectors.
+   *
+   * @return true if this channel is registered, false otherwise
+   */
+  public final boolean isRegistered()
+  {
+    return ! keys.isEmpty();
+  }
+
+  /**
+   * Retrieves the key representing the channel's registration with the
+   * given selector.
+   *
+   * @param selector the selector to get a selection key for
+   *
+   * @return the selection key this channel is registered with
+   */
+  public final SelectionKey keyFor(Selector selector)
+  {
+    if (! isOpen())
+      return null;
+
+    try
+      {
+        synchronized (blockingLock())
+          {
+            return locate(selector);
+          }
+      }
+    catch (Exception e)
+      {
+        return null;
+      }
+  }
+
+  /**
+   * Returns the provider that created this channel.
+   *
+   * @return the selector provider that created this channel
+   */
+  public final SelectorProvider provider()
+  {
+    return provider;
+  }
+
+  private SelectionKey locate(Selector selector)
+  {
+    ListIterator it = keys.listIterator();
+
+    while (it.hasNext())
+      {
+        SelectionKey key = (SelectionKey) it.next();
+
+        if (key.selector() == selector)
+          return key;
+      }
+
+    return null;
+  }
+
+  /**
+   * Registers this channel with the given selector, returning a selection key.
+   *
+   * @param selin the seletor to use
+   * @param ops the interested operations
+   * @param att an attachment for the returned selection key
+   *
+   * @return the registered selection key
+   *
+   * @exception ClosedChannelException If the channel is already closed.
+   * @exception IllegalBlockingModeException If the channel is configured in
+   * blocking mode.
+   */
+  public final SelectionKey register(Selector selin, int ops, Object att)
+    throws ClosedChannelException
+  {
+    if (! isOpen())
+      throw new ClosedChannelException();
+
+    if ((ops & ~validOps()) != 0)
+      throw new IllegalArgumentException();
+
+    SelectionKey key = null;
+    AbstractSelector selector = (AbstractSelector) selin;
+
+    synchronized (blockingLock())
+      {
+        if (blocking)
+          throw new IllegalBlockingModeException();
+
+        key = locate(selector);
+
+        if (key != null && key.isValid())
+          {
+            key.interestOps(ops);
+            key.attach(att);
+          }
+        else
+          {
+            key = selector.register(this, ops, att);
+
+            if (key != null)
+              addSelectionKey(key);
+          }
+      }
+
+    return key;
+  }
+
+  void addSelectionKey(SelectionKey key)
+  {
+    keys.add(key);
+  }
+
+  // This method gets called by AbstractSelector.deregister().
+  void removeSelectionKey(SelectionKey key)
+  {
+    keys.remove(key);
+  }
+}
diff --git a/libjava/classpath/java/nio/channels/spi/AbstractSelectionKey.java b/libjava/classpath/java/nio/channels/spi/AbstractSelectionKey.java
new file mode 100644
index 000000000..e0dc03f53
--- /dev/null
+++ b/libjava/classpath/java/nio/channels/spi/AbstractSelectionKey.java
@@ -0,0 +1,78 @@
+/* AbstractSelectionKey.java --
+   Copyright (C) 2002, 2003, 2004, 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 java.nio.channels.spi;
+
+import java.nio.channels.SelectionKey;
+
+
+/**
+ * @since 1.4
+ */
+public abstract class AbstractSelectionKey extends SelectionKey
+{
+  private boolean cancelled;
+
+  /**
+   * Initializes the key.
+   */
+  protected AbstractSelectionKey()
+  {
+  }
+
+  /**
+   * Cancels this key.
+   */
+  public final synchronized void cancel()
+  {
+    if (isValid())
+      {
+        ((AbstractSelector) selector()).cancelKey(this);
+        cancelled = true;
+      }
+  }
+
+  /**
+   * Tells whether this key is valid or not.
+   *
+   * @return true if this key is valid, false otherwise
+   */
+  public final synchronized boolean isValid()
+  {
+    return ! cancelled;
+  }
+}
diff --git a/libjava/classpath/java/nio/channels/spi/AbstractSelector.java b/libjava/classpath/java/nio/channels/spi/AbstractSelector.java
new file mode 100644
index 000000000..b67d4aecc
--- /dev/null
+++ b/libjava/classpath/java/nio/channels/spi/AbstractSelector.java
@@ -0,0 +1,167 @@
+/* AbstractSelector.java --
+   Copyright (C) 2002, 2003, 2004, 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 java.nio.channels.spi;
+
+import java.io.IOException;
+import java.nio.channels.ClosedSelectorException;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.util.HashSet;
+import java.util.Set;
+
+
+public abstract class AbstractSelector extends Selector
+{
+  private boolean closed;
+  private SelectorProvider provider;
+  private HashSet<SelectionKey> cancelledKeys;
+
+  /**
+   * Initializes the slector.
+   *
+   * @param provider the provider that created this selector
+   */
+  protected AbstractSelector(SelectorProvider provider)
+  {
+    this.provider = provider;
+    this.cancelledKeys = new HashSet<SelectionKey>();
+  }
+
+  /**
+   * Closes the channel.
+   *
+   * @exception IOException If an error occurs
+   */
+  public final synchronized void close() throws IOException
+  {
+    if (closed)
+      return;
+
+    implCloseSelector();
+    closed = true;
+  }
+
+  /**
+   * Tells whether this channel is open or not.
+   *
+   * @return true if channel is open, false otherwise.
+   */
+  public final boolean isOpen()
+  {
+    return ! closed;
+  }
+
+  /**
+   * Marks the beginning of an I/O operation that might block indefinitely.
+   */
+  protected final void begin()
+  {
+  }
+
+  /**
+   * Marks the end of an I/O operation that might block indefinitely.
+   */
+  protected final void end()
+  {
+  }
+
+  /**
+   * Returns the provider for this selector object.
+   *
+   * @return the SelectorProvider object that created this seletor
+   */
+  public final SelectorProvider provider()
+  {
+    return provider;
+  }
+
+  /**
+   * Returns the cancelled keys set.
+   *
+   * @return the cancelled keys set
+   */
+  protected final Set<SelectionKey> cancelledKeys()
+  {
+    if (! isOpen())
+      throw new ClosedSelectorException();
+
+    return cancelledKeys;
+  }
+
+  /**
+   * Cancels a selection key.
+   */
+
+  // This method is only called by AbstractSelectionKey.cancel().
+  final void cancelKey(AbstractSelectionKey key)
+  {
+    synchronized (cancelledKeys)
+      {
+        cancelledKeys.add(key);
+      }
+  }
+
+  /**
+   * Closes the channel.
+   *
+   * @exception IOException if an error occurs
+   */
+  protected abstract void implCloseSelector() throws IOException;
+
+  /**
+   * Registers a channel for the selection process.
+   *
+   * @param ch the channel register
+   * @param ops the interested operations
+   * @param att an attachement to the selection key
+   *
+   * @return the registered selection key
+   */
+  protected abstract SelectionKey register(AbstractSelectableChannel ch,
+                                           int ops, Object att);
+
+  /**
+   * Deregisters the given selection key.
+   *
+   * @param key the key to deregister
+   */
+  protected final void deregister(AbstractSelectionKey key)
+  {
+    ((AbstractSelectableChannel) key.channel()).removeSelectionKey(key);
+  }
+}
diff --git a/libjava/classpath/java/nio/channels/spi/SelectorProvider.java b/libjava/classpath/java/nio/channels/spi/SelectorProvider.java
new file mode 100644
index 000000000..821bc4361
--- /dev/null
+++ b/libjava/classpath/java/nio/channels/spi/SelectorProvider.java
@@ -0,0 +1,178 @@
+/* SelectorProvider.java
+   Copyright (C) 2002, 2003, 2004  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 java.nio.channels.spi;
+
+import gnu.java.nio.SelectorProviderImpl;
+
+import java.io.IOException;
+import java.nio.channels.Channel;
+import java.nio.channels.DatagramChannel;
+import java.nio.channels.Pipe;
+import java.nio.channels.ServerSocketChannel;
+import java.nio.channels.SocketChannel;
+
+
+/**
+ * @author Michael Koch
+ * @since 1.4
+ */
+public abstract class SelectorProvider
+{
+  private static SelectorProvider systemDefaultProvider;
+
+  /**
+   * Initializes the selector provider.
+   *
+   * @exception SecurityException If a security manager has been installed and
+   * it denies @see RuntimePermission ("selectorProvider").
+   */
+  protected SelectorProvider()
+  {
+    SecurityManager sm = System.getSecurityManager();
+    if (sm != null)
+      sm.checkPermission(new RuntimePermission("selectorProvider"));
+  }
+
+  /**
+   * Opens a datagram channel.
+   *
+   * @return a new datagram channel object
+   *
+   * @exception IOException if an error occurs
+   */
+  public abstract DatagramChannel openDatagramChannel()
+    throws IOException;
+
+  /**
+   * Opens a pipe.
+   *
+   * @return a new pipe object
+   *
+   * @exception IOException if an error occurs
+   */
+  public abstract Pipe openPipe() throws IOException;
+
+  /**
+   * Opens a selector.
+   *
+   * @return a new selector object
+   *
+   * @exception IOException if an error occurs
+   */
+  public abstract AbstractSelector openSelector() throws IOException;
+
+  /**
+   * Opens a server socket channel.
+   *
+   * @return a new server socket channel object
+   *
+   * @exception IOException if an error occurs
+   */
+  public abstract ServerSocketChannel openServerSocketChannel()
+    throws IOException;
+
+  /**
+   * Opens a socket channel.
+   *
+   * @return a new socket channel object
+   *
+   * @exception IOException if an error occurs
+   */
+  public abstract SocketChannel openSocketChannel() throws IOException;
+
+  /**
+   * Returns the inherited channel of the VM.
+   *
+   * @return the inherited channel of the VM
+   *
+   * @throws IOException If an I/O error occurs
+   * @throws SecurityException If an installed security manager denies access
+   *         to RuntimePermission("inheritedChannel")
+   *
+   * @since 1.5
+   */
+  public Channel inheritedChannel()
+    throws IOException
+  {
+    SecurityManager sm = System.getSecurityManager();
+    if (sm != null)
+      {
+        sm.checkPermission(new RuntimePermission("inheritedChannel"));
+      }
+    // Implementation note: The default implementation can't do much more
+    // than return null. If a VM can provide something more useful it should
+    // install its own SelectorProvider (maybe a subclass of this one) to
+    // return something more useful.
+    return null;
+  }
+
+  /**
+   * Returns the system-wide default selector provider for this invocation
+   * of the Java virtual machine.
+   *
+   * @return the default seletor provider
+   */
+  public static synchronized SelectorProvider provider()
+  {
+    if (systemDefaultProvider == null)
+      {
+        String propertyValue =
+          System.getProperty("java.nio.channels.spi.SelectorProvider");
+
+        if (propertyValue == null || propertyValue.equals(""))
+          systemDefaultProvider = new SelectorProviderImpl();
+        else
+          {
+            try
+              {
+                systemDefaultProvider =
+                  (SelectorProvider) Class.forName(propertyValue)
+                                          .newInstance();
+              }
+            catch (Exception e)
+              {
+                System.err.println("Could not instantiate class: "
+                                   + propertyValue);
+                systemDefaultProvider = new SelectorProviderImpl();
+              }
+          }
+      }
+
+    return systemDefaultProvider;
+  }
+}
diff --git a/libjava/classpath/java/nio/channels/spi/package.html b/libjava/classpath/java/nio/channels/spi/package.html
new file mode 100644
index 000000000..133fb04f2
--- /dev/null
+++ b/libjava/classpath/java/nio/channels/spi/package.html
@@ -0,0 +1,46 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
+<!-- package.html - describes classes in java.nio.channels.spi package.
+   Copyright (C) 2002 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. -->
+
+<html>
+<head><title>GNU Classpath - java.nio.channels.spi</title></head>
+
+<body>
+<p>Utility classes and interfaces for implementing channels.</p>
+
+</body>
+</html>