1 files changed, 187 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/nio/KqueueSelectionKeyImpl.java b/gcc-4.4.3/libjava/classpath/gnu/java/nio/KqueueSelectionKeyImpl.java
new file mode 100644
index 000000000..11b37cadb
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+++ b/gcc-4.4.3/libjava/classpath/gnu/java/nio/KqueueSelectionKeyImpl.java
@@ -0,0 +1,187 @@
+/* KqueueSelectionKeyImpl.java -- selection key for kqueue/kevent.
+   Copyright (C) 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.nio;
+
+
+import java.nio.channels.SelectableChannel;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.nio.channels.spi.AbstractSelectionKey;
+
+/**
+ * @author Casey Marshall (csm@gnu.org)
+ */
+public class KqueueSelectionKeyImpl extends AbstractSelectionKey
+{
+  int interestOps;
+  int readyOps;
+  int activeOps = 0;
+  int key;
+  int fd;
+
+  /** The selector we were created for. */
+  private final KqueueSelectorImpl selector;
+  
+  /** The channel we are attached to. */
+  private final SelectableChannel channel;
+  
+  private final VMChannelOwner natChannel;
+  
+  public KqueueSelectionKeyImpl(KqueueSelectorImpl selector,
+                                SelectableChannel channel)
+  {
+    this.selector = selector;
+    this.channel = channel;
+    natChannel = (VMChannelOwner) channel;
+    interestOps = 0;
+    readyOps = 0;
+  }
+
+  /* (non-Javadoc)
+   * @see java.nio.channels.SelectionKey#channel()
+   */
+  //@Override
+  public SelectableChannel channel()
+  {
+    return channel;
+  }
+
+  /* (non-Javadoc)
+   * @see java.nio.channels.SelectionKey#interestOps()
+   */
+  //@Override
+  public int interestOps()
+  {
+    return interestOps;
+  }
+
+  /* (non-Javadoc)
+   * @see java.nio.channels.SelectionKey#interestOps(int)
+   */
+  //@Override
+  public SelectionKey interestOps(int ops)
+  {
+    if (!isValid())
+      throw new IllegalStateException("key is invalid");
+    if ((ops & ~channel.validOps()) != 0)
+      throw new IllegalArgumentException("channel does not support all operations");
+    
+    selector.setInterestOps(this, ops);
+    return this;
+  }
+
+  /* (non-Javadoc)
+   * @see java.nio.channels.SelectionKey#readyOps()
+   */
+  //@Override
+  public int readyOps()
+  {
+    return readyOps;
+  }
+
+  /* (non-Javadoc)
+   * @see java.nio.channels.SelectionKey#selector()
+   */
+  //@Override
+  public Selector selector()
+  {
+    return selector;
+  }
+  
+  public String toString()
+  {
+    if (!isValid())
+      return super.toString() + " [ fd: " + fd + " <<invalid>> ]";
+    return super.toString() + " [ fd: " + fd + " interest ops: {"
+      + ((interestOps & OP_ACCEPT) != 0 ? " OP_ACCEPT" : "")
+      + ((interestOps & OP_CONNECT) != 0 ? " OP_CONNECT" : "")
+      + ((interestOps & OP_READ) != 0 ? " OP_READ" : "")
+      + ((interestOps & OP_WRITE) != 0 ? " OP_WRITE" : "")
+      + " }; ready ops: {"
+      + ((readyOps & OP_ACCEPT) != 0 ? " OP_ACCEPT" : "")
+      + ((readyOps & OP_CONNECT) != 0 ? " OP_CONNECT" : "")
+      + ((readyOps & OP_READ) != 0 ? " OP_READ" : "")
+      + ((readyOps & OP_WRITE) != 0 ? " OP_WRITE" : "")
+      + " } ]";
+  }
+  
+  public int hashCode()
+  {
+    return fd;
+  }
+  
+  public boolean equals(Object o)
+  {
+    if (!(o instanceof KqueueSelectionKeyImpl))
+      return false;
+    KqueueSelectionKeyImpl that = (KqueueSelectionKeyImpl) o;
+    return that.fd == this.fd && that.channel.equals(this.channel);
+  }
+  
+  
+  boolean isReadActive()
+  {
+    return (activeOps & (OP_READ | OP_ACCEPT)) != 0;
+  }
+
+  boolean isReadInterested()
+  {
+    return (interestOps & (OP_READ | OP_ACCEPT)) != 0;
+  }
+  
+  boolean isWriteActive()
+  {
+    return (activeOps & (OP_WRITE | OP_CONNECT)) != 0;
+  }
+  
+  boolean isWriteInterested()
+  {
+    return (interestOps & (OP_WRITE | OP_CONNECT)) != 0;
+  }
+  
+  boolean needCommitRead()
+  {
+    return isReadActive() == (!isReadInterested());
+  }
+
+  boolean needCommitWrite()
+  {
+    return isWriteActive() == (!isWriteInterested());
+  }
+}