[PATCH v3] time: Add TIME_MONOTONIC, TIME_ACTIVE, and TIME_THREAD_ACTIVE

[Joseph Myers]

On Mon, 1 Dec 2025, Adhemerval Zanella wrote:

> +/* Helper that converts from C timebase to POSIX clockid_t.  */
> +static inline clockid_t
> +clock_from_timebase (int timebase)
> +{
> +  _Static_assert (TIME_UTC - 1 == CLOCK_REALTIME,
> +		  "TIME_UTC != CLOCK_REALTIME - 1");
> +  _Static_assert (TIME_MONOTONIC -1 == CLOCK_MONOTONIC,
> +		  "TIME_UTC != CLOCK_MONOTONIC - 1");
> +  _Static_assert (TIME_ACTIVE - 1 == CLOCK_PROCESS_CPUTIME_ID,
> +		  "TIME_UTC != CLOCK_PROCESS_CPUTIME_ID - 1");
> +  _Static_assert (TIME_THREAD_ACTIVE - 1 == CLOCK_THREAD_CPUTIME_ID,
> +		  "TIME_UTC != CLOCK_THREAD_CPUTIME_ID - 1");
> +  return timebase - 1;

The _Static_assert messages don't seem to match the content of the 
assertions (both regarding the name used on the left, and regarding which 
side has 1 subtracted).

-- 
Joseph S. Myers
josmyers@redhat.com