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Date: Thu, 6 May 2010 16:07:36 +0200
From: Erik Trulsson <ertr1013@student.uu.se>
To: =?iso-8859-1?B?THVr4ag=?= Czerner <czerner.lukas@gmail.com>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: How to get data from kernel module ?
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On Thu, May 06, 2010 at 03:38:30PM +0200, Luk=E1=A8 Czerner wrote:
> Hi,
>=20
> I am creating a kernel module and I need to get some information from
> that module. I can do this with ioctl and pass the data to the
> user space but it seems a bit unpractical to me, because I do not know=20
> the amount of the data - it can differ. I do not know of any way to
> pass a list of structures to the userspace through ioctl - is there
> any?
>=20
> So my question is, is there any standard way in FreeBSD to do this ?
> In linux I would probably use the sysfs, but in FreeBSD I can not find
> anything similar, except just creating some virtual filesystem on my
> own and obviously this is not what I want to do.

sysctl(3) seems to be the usual way of getting information from the
kernel.




--=20
<Insert your favourite quote here.>
Erik Trulsson
ertr1013@student.uu.se