Re: [PATCH] Detect GNU/kFreeBSD in user-visible kernel headers

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On 11/22/2011 1:21 PM, John Baldwin wrote:
> On Tuesday, November 22, 2011 12:59:19 pm Robert Millan wrote:
>> 2011/11/22 John Baldwin <jhb@freebsd.org>:
>>> Is __FreeBSD_version defined if __FreeBSD_kernel__ is defined
>>> on kFreeBSD?
>> 
>> Not currently (except for kernel-space code), but if all the
>> checks that use __FreeBSD_version are like the one you describe,
>> I think it'd make sense.
> 
> I can think of cases where you might want it exposed (e.g. in the
> parts of net-snmp that grovel around in kernel data structures and
> use __FreeBSD_version to figure out what the right thing to do is,
> possibly the same with lsof).
> 
>> But we need to make sure that defining it wouldn't suddenly
>> enable code that is intended for FreeBSD userland, like it
>> happens with __FreeBSD__.
> 
> Correct.  I don't believe that is the case since normally one has
> to check for __FreeBSD__ before using __FreeBSD_version.
> 

Let me know if I can help on the lsof front.  I'm the maintainer
of the FreeBSD lsof port, and have access to the developer.

- -- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 512-248-2683                 E-Mail: ler@lerctr.org
US Mail: 430 Valona Loop, Round Rock, TX 78681-3893
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