Re: [PATCH 2/3] signalfd: add ability to return siginfo in a rawformat (v2)

From: Oleg Nesterov
Date: Sat Jan 12 2013 - 13:56:03 EST


On 01/10, Andrey Wagin wrote:
>
> 2012/12/28 Oleg Nesterov <oleg@xxxxxxxxxx>:
> >>
> >> This functionality is required for checkpointing pending signals.
> >
> > And this should be used along with pread().
> >
> > I won't argue, but perhaps we should simply postulate that pread()
> > always dumps siginfo in raw format and avoid the new flag?
>
> I won't argue too:), but I think the flag is more flexiable. The flag
> allows to get raw siginfo from read(), it may be useful not only for
> checkpoint/restore. pread with offset = 0 is equal to read(), so the
> interface with the flag is more clear.

OK, I agree.

Oleg.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/