Re: lua_resume and a C-function as the main coroutine function problem

[Tony Finch <dot@...>]

On Wed, 14 Apr 2010, Florian Weimer wrote:
> * Tony Finch:
>
> > You can manipulate the stack pointer in C without mucking around inside
> > the guts of a jmp_buf using alloca() or C99 variable size arrays. There
> > are some toy example coroutine implementations using this idea at
> > http://dotat.at/cgi/git?p=picoro.git;a=heads
>
> It's still undefied behavior.

Of course. So is guddling around inside a jmp_buf, or using assembler.

Tony.
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