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Issue #22043: _PyTime_Init() now checks if the system clock works.

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Other changes:

* The whole _PyTime API is private (not defined if Py_LIMITED_API is set)
* _PyTime_gettimeofday_info() also returns -1 on error
* Simplify PyTime_gettimeofday(): only use clock_gettime(CLOCK_REALTIME) or
  gettimeofday() on UNIX. Don't fallback to ftime() or time() anymore.
This commit is contained in:
Victor Stinner 2014-08-29 16:31:59 +02:00
parent 7efb83393c
commit 0011124dc2
4 changed files with 77 additions and 97 deletions
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13
Include/pytime.h
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@ -13,6 +13,8 @@ functions and constants
extern "C" {
#endif
#ifndef Py_LIMITED_API
#ifdef HAVE_GETTIMEOFDAY
typedef struct timeval _PyTime_timeval;
#else
@ -37,7 +39,7 @@ PyAPI_FUNC(void) _PyTime_gettimeofday(_PyTime_timeval *tp);
/* Similar to _PyTime_gettimeofday() but retrieve also information on the
* clock used to get the current time. */
PyAPI_FUNC(void) _PyTime_gettimeofday_info(
PyAPI_FUNC(int) _PyTime_gettimeofday_info(
_PyTime_timeval *tp,
_Py_clock_info_t *info);
@ -52,8 +54,6 @@ do { \
((tv_end.tv_sec - tv_start.tv_sec) + \
(tv_end.tv_usec - tv_start.tv_usec) * 0.000001)
#ifndef Py_LIMITED_API
typedef enum {
/* Round towards zero. */
_PyTime_ROUND_DOWN=0,
@ -92,10 +92,11 @@ PyAPI_FUNC(int) _PyTime_ObjectToTimespec(
time_t *sec,
long *nsec,
_PyTime_round_t);
#endif
/* Dummy to force linking. */
PyAPI_FUNC(void) _PyTime_Init(void);
/* Initialize time.
Return 0 on success, raise an exception and return -1 on error. */
PyAPI_FUNC(int) _PyTime_Init(void);
#endif /* Py_LIMITED_API */
#ifdef __cplusplus
}