stop_service

# File lib/drb/drb.rb, line 1465
    def stop_service
      DRb.remove_server(self)
      if  Thread.current['DRb'] && Thread.current['DRb']['server'] == self
        Thread.current['DRb']['stop_service'] = true
      else
        if @protocol.respond_to? :shutdown
          @protocol.shutdown
        else
          [@thread, *@grp.list].each {|thread| thread.kill} # xxx: Thread#kill
        end
        @thread.join
      end
    end