Date: Thu, 01 Feb 2007 11:41:21 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: des@des.no Cc: freebsd-hackers@freebsd.org, dr2867@pacbell.net Subject: Re: sysctl(3) interface Message-ID: <20070201.114121.110116525.imp@bsdimp.com> In-Reply-To: <86k5z3jylp.fsf@dwp.des.no> References: <45BB72D6.9070809@pacbell.net> <86k5z3jylp.fsf@dwp.des.no>
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In message: <86k5z3jylp.fsf@dwp.des.no>
des@des.no (Dag-Erling Smørgrav) writes:
: Daniel Rudy <dr2867@pacbell.net> writes:
: > I've been taking apart and analyzing the sysctl(8) program to gain a
: > better insight into how to use the sysctl(3) interface. [...]
: > It's using an oid of 0 and 2 to get something, then it comes up with 440
: > and then a sequence of numbers that are incrementing in a peculiar
: > pattern.
:
: sysctl(8) uses undocumented interfaces to a) enumerate the nodes in
: the sysctl tree and b) obtain the name of a node, given its OID.
:
: > So, my question is, how do I walk the tree to get the PnP info for all
: > the devices in the system?
:
: man 3 devinfo
devinfo -v
will also give that information.
Warner
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