# File lib/main/daemon.rb, line 171
    def cmd_stop
      pid = Integer(IO.read(@pid_file)) rescue nil

      if pid
        alive = true

        %w( QUIT TERM ).each do |signal|
          begin
            Process.kill(signal, pid)
          rescue Errno::ESRCH
            nil
          end

          42.times do
            begin
              Process.kill(0, pid)
              sleep(rand)
            rescue Errno::ESRCH
              alive = false
              puts(pid)
              exit(0)
            end
          end
        end

        if alive
          begin
            Process.kill(-9, pid)
            sleep(rand)
          rescue Errno::ESRCH
            nil
          end

          begin
            Process.kill(0, pid)
          rescue Errno::ESRCH
            puts(pid)
            exit(0)
          end
        end
      end
      
      exit(1)
    ensure
      unless alive?
        begin
          FileUtils.rm_f(@pid_file) rescue nil
        rescue Object
        end
      end
    end