Hi Wolfram,

On Tue, Feb 19, 2019 at 2:18 PM Wolfram Sang <w...@the-dreams.de> wrote:
> > > > > +       wait_for_completion_interruptible(&priv->scl_irq_completion);
> > > >
> > > > Error checking/propagation (-ERESTARTSYS)?
> > >
> > > Are you sure? ERESTARTSYS belongs to the "These should never be seen by
> > > user programs." group.
> >
> > How else can you inform the user the operation has been interrupted?
>
> Definately not by using something which is marked "should never be seen
> by user programs" :)
>
> In the worst case, I'll add:
>         if (ret) ret = -EINTR;
>
> I tested the current code with CTRL+C, there we get EOWNERDEAD back to
> userspace, even with my code not propagating anything. With sending
> SIGKILL, I got 143 which is not defined. I want to double check the
> latter first, might be my tests were flaky...

Where's the kernel code that returns EOWNERDEAD?
Must be hidden in a complex preprocessor macro, as git grep cannot find it :-(

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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