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#ifndef Py_LIMITED_API
#ifndef Py_PYTIME_H
#define Py_PYTIME_H
#include "pyconfig.h" /* include for defines */
#include "object.h"
/**************************************************************************
Symbols and macros to supply platform-independent interfaces to time related
functions and constants
**************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif
#ifdef HAVE_GETTIMEOFDAY
typedef struct timeval _PyTime_timeval;
#else
typedef struct {
time_t tv_sec; /* seconds since Jan. 1, 1970 */
long tv_usec; /* and microseconds */
} _PyTime_timeval;
#endif
/* Structure used by time.get_clock_info() */
typedef struct {
const char *implementation;
int monotonic;
int adjustable;
double resolution;
} _Py_clock_info_t;
/* Similar to POSIX gettimeofday but cannot fail. If system gettimeofday
* fails or is not available, fall back to lower resolution clocks.
*/
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(
_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)
#ifndef Py_LIMITED_API
typedef enum {
/* Round towards zero. */
_PyTime_ROUND_DOWN=0,
/* Round away from zero. */
_PyTime_ROUND_UP
} _PyTime_round_t;
/* Convert a number of seconds, int or float, to time_t. */
PyAPI_FUNC(int) _PyTime_ObjectToTime_t(
PyObject *obj,
time_t *sec,
_PyTime_round_t);
/* Convert a time_t to a PyLong. */
PyAPI_FUNC(PyObject *) _PyLong_FromTime_t(
time_t sec);
/* Convert a PyLong to a time_t. */
PyAPI_FUNC(time_t) _PyLong_AsTime_t(
PyObject *obj);
/* Convert a number of seconds, int or float, to a timeval structure.
usec is in the range [0; 999999] and rounded towards zero.
For example, -1.2 is converted to (-2, 800000). */
PyAPI_FUNC(int) _PyTime_ObjectToTimeval(
PyObject *obj,
time_t *sec,
long *usec,
_PyTime_round_t);
/* Convert a number of seconds, int or float, to a timespec structure.
nsec is in the range [0; 999999999] and rounded towards zero.
For example, -1.2 is converted to (-2, 800000000). */
PyAPI_FUNC(int) _PyTime_ObjectToTimespec(
PyObject *obj,
time_t *sec,
long *nsec,
_PyTime_round_t);
#endif
/* Dummy to force linking. */
PyAPI_FUNC(void) _PyTime_Init(void);
#ifdef __cplusplus
}
#endif
#endif /* Py_PYTIME_H */
#endif /* Py_LIMITED_API */
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