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Re: [PATCH 11/16] linux: Optimize fallback 32-bit clock_gettime
On 18/12/2019 05:53, Andreas Schwab wrote:
> On Dez 17 2019, Adhemerval Zanella wrote:
>
>> diff --git a/sysdeps/unix/sysv/linux/clock_gettime.c b/sysdeps/unix/sysv/linux/clock_gettime.c
>> index 9be1f779e3..2a8ad0acc5 100644
>> --- a/sysdeps/unix/sysv/linux/clock_gettime.c
>> +++ b/sysdeps/unix/sysv/linux/clock_gettime.c
>> @@ -43,13 +43,21 @@ __clock_gettime64 (clockid_t clock_id, struct __timespec64 *tp)
>> int r;
>> /* Old 32-bit ABI with possible 64-bit time_t support. */
>> # ifdef __NR_clock_gettime64
>> + /* Avoid issue a __NR_clock_gettime64 syscall on kernels that do not
>> + support 64-bit time_t. */
>> + static int time64_support = 1;
>> + if (atomic_load_relaxed (&time64_support) == 1)
>
> Just != 0 should be enough.
>
> Andreas.
Ack.