[ntp:questions] NTP & PPS, part 2 ;)

Martin Burnicki martin.burnicki at meinberg.de
Tue Dec 16 15:10:45 UTC 2014


Paul wrote:
> On Tue, Dec 16, 2014 at 8:52 AM, Martin Burnicki <
> martin.burnicki at meinberg.de> wrote:
>
>> In the past there may have been reasons to check this at compile time, but
>> as I've already pointed out in another posting the checks could at least be
>> made at runtime on system which likely provide a PPS API conforming to the
>> RFC.
>
>
> A key point here is that the Linux kernel (like Solaris) does not provide
> the RFC 2783 "PPS-API".  They provide classic i/o controls to communicate
> with the PPS "driver".

OK, but what is the problem in using these IOCTLs directly from within 
ntpd, via wrapper functions or directly? Several refclock drivers do so.

Martin



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