From: Eli Zaretskii <eliz@gnu.org>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: emacs-devel@gnu.org
Subject: Re: Add FIXME comment re stack overflow and modules
Date: Mon, 21 Dec 2015 21:01:36 +0200 [thread overview]
Message-ID: <83wps7r5gv.fsf@gnu.org> (raw)
In-Reply-To: <56784527.20400@cs.ucla.edu> (message from Paul Eggert on Mon, 21 Dec 2015 10:29:59 -0800)
> Cc: emacs-devel@gnu.org
> From: Paul Eggert <eggert@cs.ucla.edu>
> 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.
prev parent reply other threads:[~2015-12-21 19:01 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-21 15:49 Add FIXME comment re stack overflow and modules Eli Zaretskii
2015-12-21 17:40 ` Paul Eggert
2015-12-21 18:10 ` Eli Zaretskii
2015-12-21 18:29 ` Paul Eggert
2015-12-21 19:01 ` Eli Zaretskii [this message]
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