Re: What is the best way to signal the completion of a task?

[Kevin Rodgers]

Steven Shiells wrote:
> I am part of a group who are writing some software that will be
> compatible with Emacs. Initially, the software is expected to be slow,
> and the user may wish to go and do something else. Currently, there
> are situations where there are no visible signs that the task has been
> completed. It is in these circumstances that we are unsure of the best
> way to notify the user that the task has been completed. We are
> looking for something simple and that will not annoy the user if they
> away doing other things.
>
> We have tried searching the forum for any similar posts, but had no
> success. Any suggestions would be greatly appreciated.

If the task is an asynchronous Emacs subprocess, then a sentinel is the
way to go.  If the task is an operating system process, then you
probably need to use the file system to communicate its status to Emacs,
which can use a timer to check for the change.

--
Kevin Rodgers
Denver, Colorado, USA