[sane-devel] Question about non-blocking

[Martijn van Oosterhout]

SANE supports a backend being non-blocking. Does that mean "don't ever
block" or "don't ever block for long periods of time"? For example, the
warming up of the lamp can take a while so you'd like to support non-block
for that. OTOH, we can't support non-block for the USB reads and writes. But
they don't take very long.

Is it acceptable to claim to support non-block if you block only for small
periods?
-- 
Martijn van Oosterhout   <kleptog at svana.org>   http://svana.org/kleptog/
> Support bacteria! They're the only culture some people have.
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