Re: [Qemu-devel] Missing system calls retries in case of EINTR

["Yigael Fleishman" <igal.fl@gmail.com>]

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Rob
Thanks for the background info. I wasn't very specific in my last question.
Actually I meant to ask why doesn't qemu code set sigaction(SA_RESTART) for
_all_ signals when running in system emulation mode (or maybe it does, which
means there's even larger problem...)
--Yigael




On 7/11/07, Rob Landley <rob@landley.net> wrote:
>
> 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.
>

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