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List:       gpsd-dev
Subject:    [Gpsd-dev] Big change -- FIONREAD is no longer used
From:       esr () thyrsus ! com (Eric S !  Raymond)
Date:       2005-06-29 12:44:44
Message-ID: 20050629124444.GA18469 () thyrsus ! com
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Rob Janssen <gpsd@xs4all.nl>:
> Hmmm, I have written many programs driving serial ports (there are 10
> serial ports in this machine) and I have never found problems in this.
> Maybe the problem is the not completely intuitive behaviour?

Maybe Linux is better in this respect, but those fields never seemed to me
to work as documented under System V.
 
> > This may be a design error -- in fact, I have considered changing it
> > before.  If we expect that all of the GPSes associated with a gpsd
> > instance are at the same place (e.g within the length of a USB cable)
> > then I guess it would be reasonable to consider the DGPS socket part of
> > shared context of the entire group of GPSes.
> 
> Probably it should be handled as just another receiver which should be
> polled just like the others.

I need to understand better what the dgpsip server actually does.
-- 
		<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>

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