Junio C Hamano <gits...@pobox.com> writes:

> Junio C Hamano <gits...@pobox.com> writes:
>
>> I think the goal to have our own stopwatch so that we do not have to
>> worry about differences among system-provided ones makes sense.
>>
>> The only thing that may become an issue is how widely available
>> getnanotime() is.  As "test-date" itself is built on any platform an
>> end-user/developer runs our tests, which is wider set of platforms
>> than what we run Travis and other CIs on, unconditionally relying on
>> its availability might pose an issue.
>
> Sorry for a false alarm, as the codebase in many places like
> fsmonitor, progress, trace and wt-status have been assuming
> getnanotime() to be available for quite some time, and this is just
> another user of the same function.

And there was yet another misunderstanding on my part.  I thought
that the mention of getnanotime() was about

https://www.freebsd.org/cgi/man.cgi?query=getnanotime&sektion=9

and I did not realize that the hits I saw in "git grep getnanotime"
were referring to an unrelated function trace.c::getnanotime() of
our own.  Of course, it is safe to use that function in the tests
;-)

Again, sorry for the false alarm.

We _might_ get a complaint from freebsd devs when they want to use
their getnanotime(9) to implement highres_nanos(), and the cleanest
solution to that complaint will be to rename our own getnanotime()
to git_nanotime() or something, but (1) that is totally outside the
scope of this series that adds one more caller to the function and
(2) we can do that when we actually get such a complaint.


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