Support overriding get-time (or gettimeofday)
Currently get-time
uses get-internal-run-time
(with millisecond resolution in most cases) and doesn't support overriding this choice.
I would like to be able to sometimes use CFFI
and its wrapper around gettimeofday
syscall, which often provides microsecond resolution.
Is supporting overrides or conditionally supporting CFFI
a better way to do this? I can prepare a merge request for either approach.