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Re: [RFC v3 04/23] sysdeps/clock_gettime: Use clock_gettime64 if avaliable
* Arnd Bergmann:
>> I believe this needs to be updated for correctness (truncation of
>> tv_sec) if ever ported to architectures where __nanosleep_nocancel takes
>> a 32-bit time_t argument. I don't know what our plans are regarding to
>> that.
>>
>> If you had
>>
>> #define __NR_clock_gettime64 __NR_clock_gettime
>>
>> in <sysdep.h>, you wouldn't need this change.
>
> Could it be changed to just call internal __clock_gettime64() and
> __nanosleep_nocancel_time64() functions that will then take care
> of the architecture specifics like syscall number, vdso and
> truncation?
It depends on how these functions behave. I think we need to figure out
if/how we maintain vDSO acceleration for clock_gettime and
clock_gettime64 first.
Thanks,
Florian