From: Rich Felker <dalias@aerifal.cx>
To: musl@lists.openwall.com
Subject: Re: [PATCH 1/3] protect some clobbered variables with volatile
Date: Sun, 10 Feb 2013 20:14:34 -0500 [thread overview]
Message-ID: <20130211011434.GQ20323@brightrain.aerifal.cx> (raw)
In-Reply-To: <1360535421.23424.467.camel@eris.loria.fr>
On Sun, Feb 10, 2013 at 11:31:41PM +0100, Jens Gustedt wrote:
> When switching optimization to higher levels (-O3) and enable link time
> optimization (-flto) gcc finds two variables that might be clobbered
> accross longjmp (orig_tail in dynlink) or vfork (f in popen):
This patch looks correct. BTW, popen is about to be replaced to avoid
vfork (using the new posix_spawn instead), but I don't mind applying
this patch first anyway as motivation for why vfork is a bad idea. :-)
Rich
next prev parent reply other threads:[~2013-02-11 1:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-10 22:31 Jens Gustedt
2013-02-11 1:14 ` Rich Felker [this message]
2013-02-17 17:55 ` Rich Felker
2013-02-18 0:13 ` Jens Gustedt
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