[hurd, commited 1/4] mach: Add CLOCK_MONOTONIC case in clock_gettime()

[Joseph Myers]

On Sun, 12 Jan 2025, Samuel Thibault wrote:

> @@ -31,6 +32,29 @@ __clock_gettime (clockid_t clock_id, struct timespec *ts)
>  
>    switch (clock_id) {
>  
> +    case CLOCK_MONOTONIC:
> +      /* If HAVE_HOST_GET_UPTIME64 is not defined or not available,
> +         CLOCK_MONOTONIC will be equivalent to CLOCK_REALTIME.  */
> +#ifdef HAVE_HOST_GET_UPTIME64
> +      {
> +	time_value64_t tv;
> +	err = __host_get_uptime64 (__mach_host_self (), &tv);
> +
> +	if (err != MIG_BAD_ID)
> +	  {
> +	    if (err)
> +	      {
> +		__set_errno (err);
> +		return -1;
> +	      }
> +
> +	    TIME_VALUE64_TO_TIMESPEC (&tv, ts);
> +	    return 0;
> +	  }
> +      }
> +      /* FALLTHROUGH */
> +#endif

I'm seeing an implicit-fallthrough error here with GCC 14 in 
build-many-glibcs.py, the /* FALLTHROUGH */ doesn't seem to be effective 
in this case for some reason.

-- 
Joseph S. Myers
josmyers@redhat.com