# File lib/rb-kqueue/watcher/signal.rb, line 19
      def initialize(queue, signal, callback)
        if signal.is_a?(String)
          @name = signal
          @number = Signal.list[signal]
        else
          @name = Signal.list.find {|_, n| n == signal}.first
          @number = signal
        end

        super(queue, @number, :signal, [], nil, callback)
      end