C interface, destructor and _

Hello,

I would like to have some clarification about the way I can implement à destructor of a C object.

As per http://www.lua.org/pil/29.1.html, it should be implemented using __gc but ... when will it be called.

I have an object that is managing a windows and I would like to ensure this windows is destroyed as soon as it's representing object is not anymore used.

In other words,

for a code like

if somestuff then

wnd = SelSurface.create()

... bla bla bla ..

end

I would like to be sure the window is destroyed as soon as the code leave the "if" statement and not when the GC decided to run.

Thanks

Laurent

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