Issue #23646: Enhance precision of time.sleep() and socket timeout when

interrupted by a signal

Add a new _PyTime_AddDouble() function and remove _PyTime_ADD_SECONDS() macro.
The _PyTime_ADD_SECONDS only supported an integer number of seconds, the
_PyTime_AddDouble() has subsecond resolution.

1 files changed, 5 insertions, 7 deletions

diff --git a/Include/pytime.h b/Include/pytime.h
index 7a14456..d46b17c 100644
--- a/Include/pytime.h
+++ b/Include/pytime.h
@@ -41,13 +41,6 @@ PyAPI_FUNC(int) _PyTime_gettimeofday_info(
     _PyTime_timeval *tp,
     _Py_clock_info_t *info);
 
-#define _PyTime_ADD_SECONDS(tv, interval) \
-do { \
-    tv.tv_usec += (long) (((long) interval - interval) * 1000000); \
-    tv.tv_sec += (time_t) interval + (time_t) (tv.tv_usec / 1000000); \
-    tv.tv_usec %= 1000000; \
-} while (0)
-
 #define _PyTime_INTERVAL(tv_start, tv_end) \
     ((tv_end.tv_sec - tv_start.tv_sec) + \
      (tv_end.tv_usec - tv_start.tv_usec) * 0.000001)
@@ -109,6 +102,11 @@ PyAPI_FUNC(int) _PyTime_monotonic_info(
     _PyTime_timeval *tp,
     _Py_clock_info_t *info);
 
+/* Add interval seconds to tv */
+PyAPI_FUNC(void)
+_PyTime_AddDouble(_PyTime_timeval *tv, double interval,
+                  _PyTime_round_t round);
+
 /* Initialize time.
    Return 0 on success, raise an exception and return -1 on error. */
 PyAPI_FUNC(int) _PyTime_Init(void);