Hello, thank you for your answer. For now I have found that LoginHook seem to be what I am looking for (http://developer.apple.com/documentation/MacOSX/Conceptual/BPSystemStartup/Articles/CustomLogin.html). A LoginHook executes a script as root, so my script simply uses su to run my executable as the logged in user. Since LoginHook works for 10.3 and up, this seems OK. As I execute under the current user session, I can use the CF locale calls.
If anyone knows another way to start a per user executable on login (for 10.3 and 10.4), please let me know.
thanks,
Philip Lukidis
> -----Original Message-----
> From: Stéphane Sudre [mailto:email@hidden]
> Sent: Tuesday, October 10, 2006 6:33 PM
> To: Philip Lukidis
> Cc: email@hidden
> Subject: Re: per user agents/login items
>
>
>
> On mardi, octobre 10, 2006, at 11:02 PM, Philip Lukidis wrote:
>
> > Hello. I have a daemon which provides access to a certain device.
> > However, the device needs to have text displayed on its LCD
> which fits
> > the current locale. Unfortunately, I don't know of a way
> to query the
> > current user's locale in a daemon (assuming there is a
> current user),
> > as it runs under the root user. Any solution must work in 10.3 and
> > 10.4...
> >
> > Therefore, is there a way to:
> > a) Let the daemon be notified of user logon, and query the
> locale of
> > that user?
> > b) Split user dependent functionality out of the daemon and
> run it as
> > a per user item. However, the daemon would need to
> communicate with
> > this item and get the locale, and I don't know how to create a per
> > user startupitem.
> > c) Could the daemon be notified of user login, and spawn a
> helper app
> > in that user session which would return the locale?
>
> 1. When no user is logged in, you can probably assume that the system
> language is OK, you can find this information in the
> /var/log/CDIS.custom file.
>
> 2. You can be informed of user login/logout via the
> SystemConfiguration
> Framework. Just take in count that Fast User Switching can pretend
> there is a user logged in while it's only the login window being
> displayed.
>
> 3. You can spawn a helper app and communicate with your daemon using
> Message Ports, sockets, pipe, etc... I'm a big fan of
> CFMessagePort but
> YMMV.
>
> 4. If you use a helper app, you should probablynot look for
> the locale
> but use the CoreFoundation API to access localized strings.
>
>
>
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