class DRb::DRbServer::InvokeMethod

def perform
  begin
    setup_message
  ensure
    @result = nil
    @succ = false
  end
  if @block
    @result = perform_with_block
  else
    @result = perform_without_block
  end
  @succ = true
  case @result
  when Array
    if @msg_id == :to_ary
      @result = DRbArray.new(@result)
    end
  end
  return @succ, @result
rescue NoMemoryError, SystemExit, SystemStackError, SecurityError
  raise
rescue Exception
  @result = $!
  return @succ, @result
end