[RFC v2 03/20] y2038: linux: Provide __clock_settime64 implementation
Lukasz Majewski
lukma@denx.de
Thu Jun 27 07:37:00 GMT 2019
Hi Florian,
> * Lukasz Majewski:
>
> >> In my opinion, an existing 32-bit architecture which does not
> >> provide the clock_settime system call (that it has provided
> >> before) is just broken, and will be so at least until 2038.
> >
> > Am I correct, that you opt for first option that glibc shall return
> > just -ENOSYS in that case?
>
> I think it's undefined. For clock_settime, the only useful outcome is
> -1 with errno set to ENOSYS. However, there are some system calls
> which cannot really fail (time, for instance), and there I would say
> that behavior is simply undefined.
Ok. I see. So the clock_settime syscall shall return from glibc with -1
and errno set to ENOSYS (I shall NOT try to set the time with
clock_settime64 bit syscall in this case).
Thanks for explanation, appreciated.
>
> Thanks,
> Florian
Best regards,
Lukasz Majewski
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