% TTATTACHDLHANDLER   Attach a deadline overrun handler to a task.%%  Usage: ttAttachDLHandler(taskname, handlername)%%  Inputs:%    taskname     Name of the task to which the handler will be%                 attached.%    handlername  Name of an interrupt handler.%       % See also TTATTACHWCETHANDLER, TTSETDEADLINE%%       TrueTime, Version 1.2%       Copyright 2004 by Dan Henriksson, Anton Cervin%       Department of Automatic Control%       Lund Institute of Technology, Sweden