Index: gnu/java/nio/channels/FileChannelImpl.java
===================================================================
RCS file: /cvsroot/classpath/classpath/gnu/java/nio/channels/FileChannelImpl.java,v
retrieving revision 1.1
diff -u -r1.1 FileChannelImpl.java
--- gnu/java/nio/channels/FileChannelImpl.java	8 Apr 2004 20:04:12 -0000	1.1
+++ gnu/java/nio/channels/FileChannelImpl.java	9 Apr 2004 13:20:20 -0000
@@ -97,11 +97,9 @@
   // However, this is necessary because if open() throws an exception
   // we want to make sure this has the value -1.  This is the most
   // efficient way to accomplish that.
-  int fd = -1;
+  private int fd = -1;
 
-  int mode;
-  int length;
-  long pos;
+  private int mode;
 
   public FileChannelImpl ()
   {
@@ -120,19 +118,12 @@
 
   private native int open (String path, int mode) throws FileNotFoundException;
 
-  /** Attach to an already-opened file.  */
-  public FileChannelImpl (int desc, int mode)
-  {
-    fd = desc;
-    this.mode = mode;
-  }
-
   public native int available () throws IOException;
-  private native long implPosition ();
-  private native void seek (long newPosition);
-  private native void implTruncate (long size);
+  private native long implPosition () throws IOException;
+  private native void seek (long newPosition) throws IOException;
+  private native void implTruncate (long size) throws IOException;
   
-  public native void unlock (long pos, long len);
+  public native void unlock (long pos, long len) throws IOException;
 
   public native long size () throws IOException;
     
@@ -356,7 +347,7 @@
    * Otherwise return false.
    */
   private native boolean lock(long position, long size,
-			      boolean shared, boolean wait);
+			      boolean shared, boolean wait) throws IOException;
   
   public FileLock lock (long position, long size, boolean shared)
     throws IOException