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Re: [PATCH 11/16] linux: Optimize fallback 32-bit clock_gettime
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.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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