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Re: [RFC v2 08/20] sysdeps/wait: Use waitid if avaliable


On Tue, Jun 25, 2019 at 3:29 PM Arnd Bergmann <arnd@arndb.de> wrote:
> On Tue, Jun 25, 2019 at 2:10 PM Florian Weimer <fweimer@redhat.com> wrote:
>
> > Does this means that RV32 will use a 32-bit struct timeval in those
> > system calls?  Even if everything else 64-bit?
>
> Correct. Only those four (all deprecated but still used) system calls,
> as we could not agree on a new interface before 5.1, and there
> is no urgency for deployment when they can be emulated.

Correction: getrusage() is still a recommended interface in POSIX.1-2017
with no nanosecond based replacement, while wait4(), getitimer() and
getrusage() are all obsolete but cannot be implemented on top of other
POSIX system calls.

        Arnd


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