Re: [gpsd-dev] gpspipe timeout on select (fd==0)

[Bernd Zeimetz]

On 08/06/2012 07:12 PM, George Lutz wrote:
> I can build and run the gpspipe example from the gpsd-3.7 library.  However, 
> the select( ) on the gps fd always times out.  I assume it's because the fd 
> returned from gps_open is always 0 (stdin), which is odd because gps_open( ) 
> does succeed when I pass it localhost:<validport>.

gps_open doesn't return a fd. See libgps(3).

Where did you find that gpspipe example you are talking about? The libgps
package in Ubuntu/Debian doesn't ship examples.

>  
> In comparison, just running the gpspipe binary included in the gpsd library 
> does work ok.  This happens on 2 ubuntu systems using gcc to compile.  I'm 
> looking for ways to further debug this but if gps_open( ) is returning a bad 
> fd, I'm not sure why that would be or how I can work with that.
>  
> Thanks for any help.


-- 
 Bernd Zeimetz                            Debian GNU/Linux Developer
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