Re: [PATCH] At-exit hook

How about using sigprocmask to disable async signals temporarily?


On Thu, Nov 7, 2024 at 8:23 PM Maxime Devos <[email protected]> wrote:

> ‘atexit’ functions are run at ‘exit’. ‘exit’ can be run from signal
> handlers (*). Since the hook runs Scheme code, it could do a lot of
> AC-unsafe things, resulting in problems.
>
>
>
> (*) glibc documentation says ‘exit’ is AC-unsafe, but this is unsupported
> by POSIX AFAICT. OTOH the same applies to even ‘malloc’, so likely I’m
> looking in the wrong places.
>
>
>
> Best regards,
>
> Maxime Devos
>