[CRIU] [PATCH 2/3] signalfd: add ability to return siginfo in a raw format (v2)

Oleg Nesterov oleg at redhat.com
Sat Jan 12 13:55:24 EST 2013


On 01/10, Andrey Wagin wrote:
>
> 2012/12/28 Oleg Nesterov <oleg at redhat.com>:
> >>
> >> 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.



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