[Xastir] Announcing tile support for OSM

[Curt, WE7U]

On Tue, 27 Jul 2010, Tom Hayward wrote:

> I think a new helper function would be required
> to support multiple downloads via one connection.
>
> Latency is a killer for this feature. My connection is pretty good,
> but it appears the server latency is pretty bad. Two parallel
> connections instead of the serial requests would probably speed things
> up greatly. I might try to implement this, but it might take me a
> while to figure out threading in C.

Look at the function in Xastir to download a track from findu.  It
uses a separate thread.  We use threads in other places too, mostly
interface.c, but it gets more complicated there.

-- 
Curt, WE7U.                         <http://www.eskimo.com/~archer>
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