IronRuby.Builtins.RubyIO.Close C# (CSharp) Method

        public void Close() {
            int fd = _fileDescriptor;
            _mode = _mode.Close();
            _fileDescriptor = -1;

            if (_stream != null) {
                _stream = null;
                _context.CloseStream(fd);
            }
        }

 public static void Close(RubyIO /*!*/ self)
 {
     if (self.Closed)
     {
         throw RubyExceptions.CreateIOError("closed stream");
     }
     self.Close();
 }