Re: Userdata example for 5.2.2

[Garthy <garthy_aul@...>]

Hi Luiz,

On 19/04/13 09:07, Luiz Henrique de Figueiredo wrote:
> > There doesn't seem to be a "__gc" call though- would I be correct in
> > assuming that it isn't there as MT doesn't really need specific cleanup
> > during garbage collection?
>
> Yes. Anyone using MT must provide a struct to it. lrandom uses
> lua_newuserdata to allocate one; this memory is fully managed by Lua.
>
> OTOH, lgdbm uses handles provided by gdbm and so must register a gc method
> for closing the databases when the handle is collected in Lua.

Excellent, thanks for the clarification. I'll also check out lgdbm for a 
gc example- thankyou again for the useful information.

Cheers,
Garth