From: Rob Landley <rob@landley.net>
To: Yigael Fleishman <igal.fl@gmail.com>
Cc: qemu-devel@nongnu.org, frederic.roussel@access-company.com
Subject: Re: [Qemu-devel] Missing system calls retries in case of EINTR
Date: Wed, 11 Jul 2007 13:04:33 -0400 [thread overview]
Message-ID: <200707111304.33631.rob@landley.net> (raw)
In-Reply-To: <a315cb3c0707101757o4f46ea0dj8f9c4f38393bfe09@mail.gmail.com>
Talking about sigaction(SA_RESTART) vs looping around -EINTR everywhere:
On Tuesday 10 July 2007 8:57:34 pm Yigael Fleishman wrote:
> Rob,
> Thanks, that should also work.
> Seems do_sigaction() in linux-user/signal.c has some code which does that
> (though obviously not for the signal that I'm receiving).
> Any idea why SA_RESTART calls are not invoked by default to restart
> syscalls for all signals?
Fallout from old 1980's-era Unixes that didn't implement SA_RESTART,
basically. Standards like SUSv3 say to humor them, because they paid for the
standard...
http://www.ussg.iu.edu/hypermail/linux/kernel/0507.1/1065.html
> --Yigael
Rob
--
"One of my most productive days was throwing away 1000 lines of code."
- Ken Thompson.
next prev parent reply other threads:[~2007-07-11 17:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-26 0:14 [Qemu-devel] Missing system calls retries in case of EINTR Yigael Fleishman
2007-07-06 18:57 ` Rob Landley
2007-07-11 0:57 ` Yigael Fleishman
2007-07-11 17:04 ` Rob Landley [this message]
2007-07-11 17:57 ` Yigael Fleishman
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