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

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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.
This commit is contained in:
Victor Stinner 2015-03-20 01:42:20 +01:00
parent 4fa99cdb4c
commit 9a8089b32a
5 changed files with 27 additions and 15 deletions
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12
Include/pytime.h
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@ -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);