bug#55163: 29.0.50; master 4a1f69ebca (TICKS . HZ) for current-time broke lsp-mode

[Paul Eggert]

On 5/2/22 10:58, Eli Zaretskii wrote:
> > The internal Lisp function would need an efficient way to get a file's
> > timestamp. It can't do that if there's no C primitive to do it.
> And this is relevant to this discussion because...?
>
> The discussion, to remind you, was whether we should provide_public_
> APIs to obtain individual attributes

If the concern is the public nature of the API then yes, we could 
provide a private function file--attributes that would act like 
file-attributes but be able to obtain individual attributes.


> > > What we have established is that Emacs apps need to be able to measure
> > > time intervals, not that they need a monotonic clock.  Functions for
> > > measuring time intervals can be built on functions that return
> > > monotonic clock time, but they can also be built on other bases that
> > > have very little with actual time stamps.
> > What other bases would these be? Monotonic clocks are relatively
> > portable; other methods that come to mind are not.
> As long as such a method exists on a platform, that platform can make
> do without high-resolution wallclock time.

Sorry, I'm still lost. What methods would these be? Are they methods 
that one can already use in portable Elisp code?