Re: Safe user-facing pattern matching.

[tomas <tomas@...>]

Hi Viacheslav

> While a Lua script executes Lua bytecode, it can be stopped by
> injecting a debug hook. But once it is inside a C function, standard
> or third-party, nothing at all can be done (short of killing the
> process). Why cannot we have an atomic flag in the Lua state structure
> that can be set whenever we want to abort execution, which can then be
> checked by potentially long running C functions? Not saying this is a
> panacea, but this is something which would simplify building a
> sandbox.
But as you said, this "long running C function" could be a third-party 
one, thus there is no guarantee the flag will be checked, isn't it?

Regards,
Tomás