6543863: (fc) FileLock.release can deadlock with FileChannel.close 6429910: (fc) FileChannel.lock() IOException: Bad file number, not AsynchronousCloseException 6814948: (fc) test/java/nio/channels/AsynchronousFileChannel/Lock.java failed intermittently 6822643: (fc) AsynchronousFileChannel.close does not invalidate FileLocks Reviewed-by: sherman

^build/
^dist/
^nbproject/private/