gh-110850: Add PyTime_t C API by vstinner · Pull Request #112135 · python/cpython

Add PyTime_t API:

* PyTime_t type.
* PyTime_MIN and PyTime_MAX constants.
* PyTime_AsSecondsDouble(), PyTime_Monotonic(),
  PyTime_PerfCounter() and PyTime_GetSystemClock() functions.

Changes:

* Add Include/cpython/pytime.h header.
* Add Modules/_testcapi/time.c and Lib/test/test_capi/test_time.py
  tests on these new functions.
* Rename _PyTime_GetMonotonicClock() to PyTime_Monotonic().
* Rename _PyTime_GetPerfCounter() to PyTime_PerfCounter().
* Rename _PyTime_GetSystemClock() to PyTime_Time().
* Rename _PyTime_AsSecondsDouble() to PyTime_AsSecondsDouble().
* Rename _PyTime_MIN to PyTime_MIN.
* Rename _PyTime_MAX to PyTime_MAX.