# File lib/resque/scheduler/signal_handling.rb, line 26
      def handle_signals
        loop do
          sig = signal_queue.shift
          break unless sig
          log! "Got #{sig} signal"
          case sig
          when 'INT', 'TERM', 'QUIT' then shutdown
          when 'USR1' then print_schedule
          when 'USR2' then reload_schedule!
          end
        end
      end