Re: use of invalid L in libevent wrapper from Lua Programming Gems

[Wim Couwenberg <wim.couwenberg@...>]

> This patch uses static globals, so isn't thread safe, but since the
> libevent event_dispatch() API isn't thread-safe either, that shouldn't
> be a problem.

Instead of a static global you could store the dispatching state in a
(not light) userdata in the registry.  Then it is accessible form all
Lua states (where events are created) and its address is fixed.

Bye,
Wim