From: Paul Eggert <eggert@cs.ucla.edu>
To: Dmitry Antipov <dmantipov@yandex.ru>
Cc: Emacs development discussions <emacs-devel@gnu.org>
Subject: Re: Avoid C stack overflow
Date: Thu, 13 Mar 2014 23:59:42 -0700 [thread overview]
Message-ID: <5322A8DE.3080109@cs.ucla.edu> (raw)
In-Reply-To: <532297FB.7090608@yandex.ru>
Dmitry Antipov wrote:
> GCC developers suggests do not rely on guard pages
The problems they note with guard pages shouldn't apply to Emacs. Emacs
isn't supposed to have huge locals that can jump the guard page. And
Emacs could handle the signal on a secondary stack by means of
sigaltstack; this is fairly common practice.
> -fsplit-stack is incompatible with our current GC
Good point, I forgot about the stack-scanning problem.
next prev parent reply other threads:[~2014-03-14 6:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-13 16:42 Avoid C stack overflow Dmitry Antipov
2014-03-13 17:38 ` Eli Zaretskii
2014-03-13 17:57 ` Paul Eggert
2014-03-13 20:56 ` Eli Zaretskii
2014-03-14 7:02 ` Paul Eggert
2014-03-14 5:47 ` Dmitry Antipov
2014-03-14 6:59 ` Paul Eggert [this message]
2014-03-14 11:27 ` Dmitry Antipov
2014-03-14 13:05 ` Stefan Monnier
2014-03-14 13:56 ` Paul Eggert
2014-03-14 16:45 ` Stefan
2014-03-15 1:38 ` Stephen J. Turnbull
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