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Re: [PATCH 2/6] linux: Assume clock_getres CLOCK_{PROCESS,THREAD}_CPUTIME_ID
* Adhemerval Zanella:
>> It may make sense to add a note to check_clock_getres that we use
>> INTERNAL_SYSCALL_CALL to avoid setting errno, so that the call can use
>> errno to check whether sysconf recognized the parameter constant at all.
>
> Ack, I added:
>
> /* Avoid setting errno so it can check whether the kernel supports
> the CLK_ID. */
>
> As a side note I think we can also use INLINE_SYCALL_CALL and check
> for EINVAL.
Sorry, what I meant is that the caller might want to set errno to 0
and check this way if sysconf actually recognizes the passed _SC_*
parameter.
At least that's why I think INLINE_SYCALL_CALL is used here.
- References:
- [PATCH 1/6] nptl: Remove pthread_clock_gettime pthread_clock_settime
- [PATCH 2/6] linux: Assume clock_getres CLOCK_{PROCESS,THREAD}_CPUTIME_ID
- Re: [PATCH 2/6] linux: Assume clock_getres CLOCK_{PROCESS,THREAD}_CPUTIME_ID
- Re: [PATCH 2/6] linux: Assume clock_getres CLOCK_{PROCESS,THREAD}_CPUTIME_ID
- Re: [PATCH 2/6] linux: Assume clock_getres CLOCK_{PROCESS,THREAD}_CPUTIME_ID
- Re: [PATCH 2/6] linux: Assume clock_getres CLOCK_{PROCESS,THREAD}_CPUTIME_ID
- Re: [PATCH 2/6] linux: Assume clock_getres CLOCK_{PROCESS,THREAD}_CPUTIME_ID
- Re: [PATCH 2/6] linux: Assume clock_getres CLOCK_{PROCESS,THREAD}_CPUTIME_ID
- Re: [PATCH 2/6] linux: Assume clock_getres CLOCK_{PROCESS,THREAD}_CPUTIME_ID
- Re: [PATCH 2/6] linux: Assume clock_getres CLOCK_{PROCESS,THREAD}_CPUTIME_ID
- Re: [PATCH 2/6] linux: Assume clock_getres CLOCK_{PROCESS,THREAD}_CPUTIME_ID