# File lib/mongrel.rb, line 587
    def reap_dead_workers(worker_list)
      mark = Time.now
      worker_list.each do |w|
        w[:started_on] = Time.now if not w[:started_on]

        if mark - w[:started_on] > @death_time + @timeout
          STDERR.puts "Thread #{w.inspect} is too old, killing."
          w.raise(StopServer.new("Timed out thread."))
        end
      end
    end