Re: non-blocking socket operations...

["Ashwin Hirschi" <deery@...>]

> My problem is that a timeout resolution of a 1 second is way too coarse.
> It would mean that if there was no data available to receive, the
> simulator would stop for a full second after every simulation frame.

Luasocket's timeout is a Lua number, i.e. a double/float. So, you can use smaller values than 1.

> Is there are a way to configure select() turn return _instantly_ if there
> is no data available?

Yes, use a zero timeout value.

> In the description for settimeout() there is this :
>
> "Note: although timeout values have millisecond precision in
> LuaSocket,..."
>
> Does this mean that settimeout() will accept fractional second values
> such as settimeout(.10) as being valid for a 1/10th of a second timeout?

Yes. Why don't you simply try it out? The timeout mechanism has been part of Luasocket for quite a while now... And it works splendidly.

Ashwin.
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