RFC: Adding a hw.features sysctl
csaba-ml at creo.hu
Mon Jan 14 06:42:05 PST 2008
On 2008-01-14, Igor Mozolevsky <igor at hybrid-lab.co.uk> wrote:
> On 14/01/2008, Nathan Lay <nslay at comcast.net> wrote:
>> cat'ing /dev/cpuinfo sounds reminiscent to Linux /proc.
> No it doesn't - it's a perfectly fine Unix way of doing things... The
> purpose of /dev is to provide an interface to the devices on the
> machine, (query-capable-)CPU is a device... Having /proc as an
> interface to the kernel on the other hand...
Hm, I just fail to see the how the ioctl interface is different from
the sysctl interface in terms of semantic capabilites.
AFAICS you can syntactically transform some hypothetic ioctl call on a
/dev/ entry to a hypothethic sysctl invocation and vica versa.
So for me it seems to be just a matter of preference and style.
And you just _can't_ deny that defining a sysctl adheres more to
FreeBSD's conventions than adding a fancy new /dev node just to be
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