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Re: [gpsd-dev] RFC2783 vs TIOCMIWAIT, PPS on NetBSD

From: Eric S. Raymond
Subject: Re: [gpsd-dev] RFC2783 vs TIOCMIWAIT, PPS on NetBSD
Date: Thu, 31 Oct 2013 20:44:55 -0400
User-agent: Mutt/1.5.21 (2010-09-15)

Greg Troxel <address@hidden>:
> So my current belief is that RFC2783 should be entirely adeequate for
> gpsd to read pps, and I don't understand why TIOCMIWAIT is really
> needed.
> This creates several TODO items:
>   add pps support to NetBSD ucom(4), so the GR601-W will work
>   enable gpsd to find sys/timepps.h on NetBSD (sys/types.h is needed
>   first, at least)
>   enable gpsd to do pps with RFC2783 and without TIOCMIWAIT

This seems like a good long-term direction.  My only concern is that
it sounds as though gpsd might have to keep root privileges through
its lifetime to use this API. That would be undesirable.
                <a href="";>Eric S. Raymond</a>

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