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Re: Add FIXME comment re stack overflow and modules
From: |
Eli Zaretskii |
Subject: |
Re: Add FIXME comment re stack overflow and modules |
Date: |
Mon, 21 Dec 2015 21:01:36 +0200 |
> Cc: address@hidden
> From: Paul Eggert <address@hidden>
> Date: Mon, 21 Dec 2015 10:29:59 -0800
>
> >> >For example, the module code contains comments like "It is very
> >> >important that pushing the handler doesn't itself raise a signal"
> >> >that suggest that the corresponding code is incompatible with stack
> >> >overflow checking.
> > I think it refers to Fsignal, not to signals caught by sigaction
> > handlers.
>
> Yes. And this suggests that that part of the implementation is incompatible
> with
> stack overflow checking.
It's compatible. It just doesn't catch that like it catches longjmp
from C.