Re: [gpsd-dev] tests hanging on netsbd-6 i386

[Eric S. Raymond]

Greg Troxel <address@hidden>:
> 
> I read
> 
>   http://pubs.opengroup.org/onlinepubs/007908799/xbd/termios.html
> 
> some more.  Something jumped out at me.  In the VMIN > 0 VTIME > 0 case,
> VTIME is an inter-byte timer.  If no bytes are available when read is
> called, and none arrive, then the call does not end after VTIME.

That's right.  This case always blocks until at least one byte arrives.  Not
only did I know this, I was counting on that behavior.

> I put in some test logging, and it seems packet_get is called routinely
> when there is not at least a byte available.

Hm. That shouldn't be the case, the way the main loop is set up.  I'll 
investigate.
-- 
                <a href="http://www.catb.org/~esr/";>Eric S. Raymond</a>

signature.asc
Description: Digital signature