module WatCatcher
  class Backgrounder
    def initialize
      @queue = Queue.new
      background_thread

      at_exit do
        @queue << false
        background_thread.join()
      end
    end


    def queue &block
      p "queueing"
      @queue << block
    end

    def background_thread
      @thread ||= Thread.new do
        running = true
        while running || !@queue.empty?
          msg = @queue.pop
          if msg
            msg.call
          else
            running = false
          end
        end
      end
    end

  end
end