[arch-general] future of xorg-server and hal

[Raghavendra Prabhu]

If xorg directly uses udev there is nothing better than that.

On Thu, Dec 3, 2009 at 12:13 AM, Aaron Griffin <aaronmgriffin at gmail.com>wrote:

> On Wed, Dec 2, 2009 at 12:37 PM, Xavier <shiningxc at gmail.com> wrote:
> > On Wed, Dec 2, 2009 at 4:40 PM,  <hollunder at gmx.at> wrote:
> >>>
> >>> Anyway hal is dead :
> >>>
> http://wiki.x.org/wiki/Events/XDC2009/Notes?highlight=%28hal%29|%28udev%29#head-75cccc4e4968dd043dcf2166dff61afd7d0d06c5
> >>> But since that functionality is definitely needed, it will have to be
> >>> replaced.. somehow.
> >>
> >>
> >> Isn't that somehow going to be device-kit?
> >> If so, we won't get rid of dbus.
> >>
> >
> > It looks like devicekit has -disk and -power but not -input. And what
> > Xorg would need is the non-existing -input, so it cannot use
> > devicekit.
> >
> > Besides it looks like some xorg devels are a bit annoyed by the big
> > mess and endless renaming/overhaul of these projects :  hal ->
> > devicekit -power/-disk -> upower/udisk ?
> > http://paste.debian.net/52931
> > http://cgit.freedesktop.org/DeviceKit
> > You might also find more information on devicekit ML.
> >
> > Anyway, as the xorg wiki above points out, and as Jan mentioned in
> > another thread, Xorg will probably just use libudev directly on Linux
> > :
> http://mailman.archlinux.org/pipermail/arch-general/2009-December/009283.html
> >
> > And some further clarification :
> >
> > 18:41 < alanc> right now, Xorg uses HAL for two things:
> > 1) an OS independent way of finding input devices and getting notified
> > of hotplugs,
> > 2) configuration data for those devices
> > 18:42 < jcristau>
> > 1) is going to become os-dependent,
> > and 2) should eventually be possible through xorg.conf.d
> > 18:42 < alanc> for task #1, HAL will be replaced by OS-dependent code
> > - libudev on Linux, libsysevent on Solaris, whatever HAL called on
> > BSD/other OS'es for those OS'es
>
> xorg.conf.d sounds neat. Considering how good Xorg is now at
> autodetecting things, I imagine one could add small files to change
> things like ServerFlags without touching anything else.
>
> Are there any design docs on xorg.conf.d anywhere?
>