[cups.general] When does cupsd write changes to config files?

[Helge Blischke]

Johannes Meixner wrote:
> Hello,
> 
> as far as I understand it, "lpadmin -h server ..." and
> "lpoptions -h server ..." talk only to the cupsd running
> on the server but then it is up to the cupsd when it is
> actually written to the config files.
> 
> Is there an assured maximum amount of time until config files
> get updated?
> 
> Is there a way to force cupsd to update its config files
> (e.g. send a SIGHUP or whatever other signal)?
> 
> 
> Background information:
> A printer setup tool runs "lpadmin -h server ..." and
> "lpoptions -h server ..." and it wants to make sure
> that the changes are actually written to the files
> so that the setup tool knows that the config persists
> (e.g. even if the system would crash a bit later).
> If "server" == "localhost", the printer setup tool might inspect
> the config files directly whether or not it is written there
> but this is ugly and it does not work if it is a remote server.
> 
> 
> Kind Regards
> Johannes Meixner

As for the lpoptions, I'm not sure, but if you modify the
printer configuration, the printers.conf file gets rewritten.
At least this is what I have observed thus far.

Helge

-- 
Helge Blischke
Softwareentwicklung
SRZ Berlin | Firmengruppe besscom
http://www.srz.de