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#ifndef Py_PYTIME_H
#define Py_PYTIME_H
#include "pyconfig.h" /* include for defines */
/**************************************************************************
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
/* 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);
#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)
/* Dummy to force linking. */
PyAPI_FUNC(void) _PyTime_Init(void);
#ifdef __cplusplus
}
#endif
#endif /* Py_PYTIME_H */
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