[PATCH v7] linux: use PIDFD_GET_INFO ioctl for pidfd_getpid() if available

[Luca Boccassi]

On Wed, 28 Jan 2026 at 15:33, Florian Weimer <fweimer@redhat.com> wrote:
>
> * Luca Boccassi:
>
> > Unfortunately it doesn't help with existing kernels though. Is there a
> > test macro that can be used to check for either/or?
>
> I've used
>
>   if (errno != EREMOTE)
>     TEST_COMPARE (errno, ESRCH);
>
> to cover two possible alternatives.

Makes sense, sent v8, thanks for the suggestion