# File lib/cgikit.rb, line 543
                def restore( session_id )
                        session = nil
                        if _exist? session_id then
                                CKFileLock.shared_lock( _tmpfile(session_id) ) do | file |
                                        session = Marshal.load file
                                end
                                session.last_accessed_time = Time.new
                        end
                        session
                end