gistfile1.rb

module AgentDispatch
  class Loader
    def self.run!
      new.run!
    end

    def run!
      future = master.future.run # It's a celluloid example here

      while read_trap_io
        raise Interrupt
      end
    rescue Interrupt
      # clean up and exit
    end

    private

    TRAPS = %w(INT TERM)

    attr_reader :self_read, :self_write

    def initialize
      @self_read, @self_write = IO.pipe
      setup_trap_signals
    end

    def setup_trap_signals
      TRAPS.each do |trap|
        Signal.trap(trap) do
          self_write.puts(trap)
        end
      end
    end

    def read_trap_io
      @readable_io = IO.select([self_read])
    end
  end
end