    # File lib/phusion_passenger/utils.rb, line 109
            def close_all_io_objects_for_fds(file_descriptors_to_leave_open)
                    ObjectSpace.each_object(IO) do |io|
                            begin
                                    if !file_descriptors_to_leave_open.include?(io.fileno) && !io.closed?
                                            io.close
                                    end
                            rescue
                            end
                    end
            end