xorg-server/*bsd: moving from hal support to devd support?

Warner Losh imp at bsdimp.com
Mon Feb 14 18:10:24 UTC 2011

I'm mentioned this several times now: Get me a spec for what Linux udev 
provides, and what services are needed, and I'll make a compatible 
implementation on FreeBSD.

While it is unfortunate that Linux didn't pickup my interface that 
mostly pre-dated its implementation, I expect the two are close enough 
that it would be easy to do.  I've been hampered by not being able to 
find anything that approaches a specification for udev in the Google 
searches I've done.  Mostly I've found rants about how great udev is, 
and how horrible all the competition is.  While I'm sure that serves 
some purpose, it doesn't satisfy my need for a clear, and easy to follow 
specification.  I'm hesitant to just write something that matches the 
Linux code because I don't have any way of knowing what is supposed to 
be a documented interface, and what's supposed to be a private change on 
a whim interface.

I'm sure it is just a matter of being unfamiliar with the proper terms 
to search for.  Any hints in this area would be greatly appreciated.  If 
something that is "standard," I'd expect to find good docs somewhere, right?


On 02/14/2011 10:11, Martin Wilke wrote:
> Hi Cyril,
> I cc Warner here, he is the author of devd maybe he can say more about 
> that.
> Thanks Martin
> On Sun, Feb 13, 2011 at 8:40 PM, Cyril Brulebois <kibi at debian.org 
> <mailto:kibi at debian.org>> wrote:
>     Hi FreeBSD/X11 folks,
>     as an occasional GNU/kFreeBSD porter, I've been wondering what's going
>     to happen with hal going away/being unmaintained. I've been pointed to
>     a blog post about Xfce on *BSD [1], where it is mentioned that devd
>     might be used as a udev equivalent.
>      1. http://gezeiten.org/post/2011/01/Xfce-4.8-on-BSD-flavors
>     Are there any plans to add devd support to xorg on your side? I'm
>     putting the Debian GNU/kFreeBSD users/porters list and the Xorg devel
>     list in Cc.
>     KiBi.
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