From: Markus Elfring <Markus.Elfring@web.de>
To: Jeff King <peff@peff.net>
Cc: git@vger.kernel.org
Subject: Re: Fix signal handler
Date: Tue, 02 Feb 2010 22:44:37 +0100 [thread overview]
Message-ID: <4B689CC5.3000400@web.de> (raw)
In-Reply-To: <20100202205849.GA14385@sigill.intra.peff.net>
>
> No, it's not a sig_atomic_t, but it is assignment of a single function
> pointer that is properly declared as volatile. Is this actually a
> problem on any known system?
>
Is it guaranteed to work on all supported software environments that an
address can be atomically set?
> If you want to nit-pick, there are much worse cases. For example, in
> diff.c, we do quite a bit of work in remove_tempfile_on_signal.
>
Thanks that you point out another open issue.
> It assumes that char* assignment is atomic, but nothing is even marked as
> volatile. But again, is this actually a problem on any system?
>
Would you like to provide software implementations that work by design?
Regards,
Markus
next prev parent reply other threads:[~2010-02-02 21:44 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-02 16:14 Fix signal handler Markus Elfring
2010-02-02 20:58 ` Jeff King
2010-02-02 21:44 ` Markus Elfring [this message]
2010-02-02 22:32 ` Jeff King
2010-02-03 10:20 ` Markus Elfring
2010-02-03 10:29 ` Jeff King
2010-02-03 11:55 ` Markus Elfring
2010-02-03 13:12 ` Thomas Rast
2010-02-03 15:46 ` Markus Elfring
2010-02-03 15:52 ` Shawn O. Pearce
2010-02-03 15:53 ` Andreas Ericsson
2010-02-03 16:24 ` Markus Elfring
2010-02-04 7:23 ` Andreas Ericsson
2010-02-03 15:17 ` Jeff King
2010-02-03 16:04 ` Markus Elfring
2010-02-03 16:26 ` Bill Lear
2010-02-09 18:01 ` Markus Elfring
2010-02-09 23:49 ` Daniel Barkalow
2010-02-10 17:08 ` [PATCH] " Markus Elfring
2010-02-10 17:14 ` Shawn O. Pearce
2010-02-10 17:35 ` Jeff King
2010-02-10 17:33 ` Jeff King
2010-02-13 13:30 ` Markus Elfring
2010-02-14 6:47 ` Jeff King
2010-02-14 10:19 ` Junio C Hamano
2010-02-18 16:31 ` Markus Elfring
2010-02-18 20:06 ` Junio C Hamano
2010-02-19 11:05 ` Markus Elfring
2010-02-22 12:10 ` [PATCH] Fix a " Markus Elfring
2010-02-22 18:31 ` Junio C Hamano
2010-02-23 8:55 ` Markus Elfring
2010-02-23 9:10 ` Markus Elfring
2010-02-23 21:48 ` Junio C Hamano
2010-02-24 10:38 ` Markus Elfring
2010-02-24 10:51 ` Andreas Ericsson
2010-02-24 11:08 ` Markus Elfring
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