Re: Not able to copy Lua closures between states

[askok@...]

It was not about lua_xmove.

The technique Patrick Donnelly suggested should work 
('lua_load' sets upvalues to nil, then I set them up using 
the Debug API).

-asko


On Thu, 3 Jul 2008 07:51:35 -0300
 Luiz Henrique de Figueiredo <lhf@tecgraf.puc-rio.br> 
wrote:
> > There's been request to have full closure copying 
> > between detached Lua  
> > states.  I think this can currently be done for C-based 
> > closures, but  
> > not for Lua ones.
>
> Like I said earflier, it is *not* possible to copy 
> anything between
> unrelated states using lua_xmove, if that's what you 
> mean. It may seem
> to work in some cases but unrelated states have disjoint 
> gc lists and
> string pools. Once gc runs in the source state it may 
> leave bad pointers
> in the target state.