From: Rich Felker <dalias@libc.org>
To: musl@lists.openwall.com
Subject: Re: Possible bug: MINSIGSTKSZ values
Date: Sat, 15 Nov 2014 15:56:30 -0500 [thread overview]
Message-ID: <20141115205630.GP22465@brightrain.aerifal.cx> (raw)
In-Reply-To: <20141115031843.GA3679@brightrain.aerifal.cx>
On Fri, Nov 14, 2014 at 10:18:43PM -0500, Rich Felker wrote:
> Note that the min pthread stack size is also well below the size of
> ucontext_t for many archs, but I don't think this is a problem. If you
> make a thread with a stack smaller than MINSIGSTKSZ+epsilon, you just
> need to start it with all signals blocked and leave them blocked (or
> avoid using signal handlers at all).
Sadly, this logic seems incorrect since we depend on signals for
cancellation. So the minimum allowable thread stack size might also be
forced higher on archs that need large signal frames... :(
Rich
next prev parent reply other threads:[~2014-11-15 20:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-15 3:18 Rich Felker
2014-11-15 20:56 ` Rich Felker [this message]
2014-11-17 1:18 ` 黄建忠
2014-11-17 1:26 ` Ivan Kanakarakis
2014-11-17 1:49 ` 黄建忠
2014-11-17 3:20 ` Rich Felker
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20141115205630.GP22465@brightrain.aerifal.cx \
--to=dalias@libc.org \
--cc=musl@lists.openwall.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.vuxu.org/mirror/musl/
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).