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From: Laszlo Ersek <lersek@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH RFC] main loop: fix some accesses made in sighandler context
Date: Fri, 16 Sep 2011 10:08:12 +0200	[thread overview]
Message-ID: <4E7303EC.4070608@redhat.com> (raw)
In-Reply-To: <4E724F23.1020901@codemonkey.ws>

On 09/15/11 21:16, Anthony Liguori wrote:
> On 09/15/2011 12:22 PM, Laszlo Ersek wrote:

>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_04_03_03
>
> I don't think you can rely on snprintf being signal safe. I think you
> should just exit on failure.
>
> OpenBSD lists snprintf as signal safe, but "probably not on other systems."

I wasn't diligent enough to look up snprintf() in the table I linked 
myself. In other news, I hold a Programmers' Darwin Award. Will send v2.

Thanks,
lacos

  reply	other threads:[~2011-09-16  8:07 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-15 17:22 [Qemu-devel] [PATCH RFC] main loop: fix some accesses made in sighandler context Laszlo Ersek
2011-09-15 19:16 ` Anthony Liguori
2011-09-16  8:08   ` Laszlo Ersek [this message]
2011-09-15 19:44 ` Peter Maydell
2011-09-16  7:58   ` Laszlo Ersek
2011-09-16  9:09     ` Markus Armbruster
2011-09-16  8:52 ` [Qemu-devel] [PATCH v2] " Laszlo Ersek
  -- strict thread matches above, loose matches on Subject: below --
2011-09-16 14:31 [Qemu-devel] [PATCH RFC] " Eric Blake

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