[haiku-commits] Re: r37934 - in haiku/trunk: headers/private/libroot/time src/preferences/time
- From: "Axel Dörfler" <axeld@xxxxxxxxxxxxxxxx>
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Thu, 12 Aug 2010 11:12:48 +0200
Hi Oliver,
Oliver Tappe <zooey@xxxxxxxxxxxxxxx> wrote:
[...]
> Alternatively, we could use a similar approach to how the name of the
> timezone file was transported to all processes before my changes: via
> the
> kernel, using two specific syscalls that set/get them.
> In that case, clockconfig could put the timezone attributes into the
> kernel
> and tzset() would fetch them from there. Since clockconfig is already
> able
> to parse the 'Time settings' file, there would be not need for a
> specific
> libroot_timezone_info file.
>
> But to me it felt a bit weird to use the kernel as some kind of "data
> storage". Or would that be just fine?
There is already a real_time_data structure shared between userland and
the kernel (see src/system/kernel/real_time_clock.cpp), and I would say
this would fit perfectly fine for that usage as well.
In that case, only a call to set the data would be needed (unless
locking dictates both).
Bye,
Axel.
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