Re: Checking Process Status

[David Kastrup <dak@gnu.org>]

"CarlC" <carlc@snowbd.com> writes:

> "David Kastrup" <dak@gnu.org> wrote in message
> news:x5wukhv20i.fsf@lola.goethe.zz...
> > Save the old value of the process' sentinel, enter your own function
> > there, and have that do its work as well as calling the saved
> > sentinel.
> 
> Thanks for the quick response, David. I guess I need to know why
> this is the case. If I can get a process-status, why do I need to
> modify the compile sentinel. Does the existing sentinel wrap it up
> so that I can't access it's status? This doesn't appear to be the
> case when I am debugging. I can set a variable and view its status
> as "run". If I can do this, why can't I add a conditional to check
> this status outside of the sentinel? I just want to know if the
> compilation process is running. Thanks, again.

Your code programmed a busy wait.  That's ugly, butt-ugly.  Instead
just let your code be run when the process has finished.  Anyhow, if
at all, you would need to compare to symbols 'run and 'exit, not
strings.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum