# File lib/daemons/application.rb, line 60
    def start_none
      unless options[:ontop]
        Daemonize.daemonize(nil, @group.app_name) #(logfile)
      else
        Daemonize.simulate
      end
      
      @pid.pid = Process.pid
      
      
      # We need this to remove the pid-file if the applications exits by itself.
      # Note that <tt>at_text</tt> will only be run if the applications exits by calling 
      # <tt>exit</tt>, and not if it calls <tt>exit!</tt> (so please don't call <tt>exit!</tt>
      # in your application!
      #
      at_exit {
        begin; @pid.cleanup; rescue ::Exception; end
        
        # If the option <tt>:backtrace</tt> is used and the application did exit by itself
        # create a exception log.
        if options[:backtrace] and not options[:ontop] and not $daemons_sigterm
          begin; exception_log(); rescue ::Exception; end
        end
          
      }
      
      # This part is needed to remove the pid-file if the application is killed by 
      # daemons or manually by the user.
      # Note that the applications is not supposed to overwrite the signal handler for
      # 'TERM'.
      #
      trap(SIGNAL) {
        begin; @pid.cleanup; rescue ::Exception; end
        $daemons_sigterm = true
        
        if options[:hard_exit]
          exit!
        else
          exit
        end
      }
    end