# File lib/merb-core/server.rb, line 302
      def pid_files
        if Merb::Config[:pid_file]
          if Merb::Config[:cluster]
            Dir[Merb::Config[:pid_file] % "*"]
          else
            [ Merb::Config[:pid_file] ]
          end
        else
          Dir[Merb.log_path / "merb.*.pid"]
        end
       end