Helge
Please see the response below
>
> Yes, your original code checked for the glibc version for x86_64 only.
> I intentionally removed the x86_64 dependency, since my patch is about
> to make it possible to run this specific testcase on other architectures
> as well (in my case for HPPA).
> So, either we could do as you say:
>
> #elif defined(__x86_64__)
> # if __GLIBC_PREREQ(2,6)
> return *cpu_id = sched_getcpu();
> # endif
> #elif defined(__hppa__)
> # if __GLIBC_PREREQ(2,6)
> return *cpu_id = sched_getcpu();
> # endif
> #elif defined(__ia64__)
> # if __GLIBC_PREREQ(2,6)
> return *cpu_id = sched_getcpu();
> # endif
> ....arm...sparc...xxx
In the glibc code I see sched_getcpu implementation only for x86_64, I
was looking into libc 2.7, that was the reason I implemented it only for
x86_64
You can see that implementation under:
sysdeps/unix/sysv/linux/sched_getcpu.c
If glibc can support other archs we can remove the condition.I still
suggest you to add these architectures specifically rather than allowing
all till it becomes glibc generic.
Thanks
Sharyathi
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