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List:       kmail-devel
Subject:    Re: exit() on low diskspace
From:       Carsten Pfeiffer <carpdjih () cetus ! zrz ! tu-berlin ! de>
Date:       2001-07-31 14:30:41
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On Tue, Jul 31, 2001 at 02:01:31PM +0200, Don Sanders wrote:
 
> Hmm. Well saving the message could be a problem if there is 
> no free disk space.

It could try to save in /tmp or simply try to deliver the mail.
I use a local sendmail, so this is not about launching some
smtp slave and contacting a remote host, which could take some
time.
 
> It's better to prevent out of memory and out of disk space 
> errors rather than try to deal with them elegantly if they 
> occur.

I disagree. A program has to be failsafe. If it can't write to
the disk, because it is full -- don't write! It could tell me
to clean up some diskspace and then write. Disable the entire
GUI if necessary, stop all slaves and timers and show a "You're
low on diskspace on /home/foo/..., please free some space
to let kmail continue" dialog.

> No, no luck. Which I am not pleased about, the showing of 
> the message should be simple on the KMail side. I want to 
> know exactly what happens in between the time I call a show 
> message in different process function and the time that the 
> new process is started. 

Did you have a look at kdecore/tests/knotifytest.cpp? It's as
easy as it can get and it works for me. And note that the 
knotify daemon should already be running, so no need to start it.

Cheers
Carsten Pfeiffer
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