#include "pyconfig.h" /* include for defines */
/**************************************************************************
Symbols and macros to supply platform-independent interfaces to time related
**************************************************************************/
/* _PyTime_t: Python timestamp with subsecond precision. It can be used to
store a duration, and so indirectly a date (related to another date, like
typedef int64_t _PyTime_t;
#define _PyTime_MIN PY_LLONG_MIN
#define _PyTime_MAX PY_LLONG_MAX
/* Round towards minus infinity (-inf).
For example, used to read a clock. */
/* Round towards infinity (+inf).
For example, used for timeout to wait "at least" N seconds. */
/* Round to nearest with ties going to nearest even integer.
For example, used to round from a Python float. */
_PyTime_ROUND_HALF_EVEN=2,
For example, used for timeout. _PyTime_ROUND_CEILING rounds
-1e-9 to 0 milliseconds which causes bpo-31786 issue.
_PyTime_ROUND_UP rounds -1e-9 to -1 millisecond which keeps
the timeout sign as expected. select.poll(timeout) must block
/* _PyTime_ROUND_TIMEOUT (an alias for _PyTime_ROUND_UP) should be
_PyTime_ROUND_TIMEOUT = _PyTime_ROUND_UP
/* Convert a time_t to a PyLong. */
PyAPI_FUNC(PyObject *) _PyLong_FromTime_t(
/* Convert a PyLong to a time_t. */
PyAPI_FUNC(time_t) _PyLong_AsTime_t(
/* Convert a number of seconds, int or float, to time_t. */
PyAPI_FUNC(int) _PyTime_ObjectToTime_t(
/* 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(
/* 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(
/* Create a timestamp from a number of seconds. */
PyAPI_FUNC(_PyTime_t) _PyTime_FromSeconds(int seconds);
/* Macro to create a timestamp from a number of seconds, no integer overflow.
Only use the macro for small values, prefer _PyTime_FromSeconds(). */
#define _PYTIME_FROMSECONDS(seconds) \
((_PyTime_t)(seconds) * (1000 * 1000 * 1000))
/* Create a timestamp from a number of nanoseconds. */
PyAPI_FUNC(_PyTime_t) _PyTime_FromNanoseconds(long long ns);
/* Convert a number of seconds (Python float or int) to a timetamp.
Raise an exception and return -1 on error, return 0 on success. */
PyAPI_FUNC(int) _PyTime_FromSecondsObject(_PyTime_t *t,
/* Convert a number of milliseconds (Python float or int, 10^-3) to a timetamp.
Raise an exception and return -1 on error, return 0 on success. */
PyAPI_FUNC(int) _PyTime_FromMillisecondsObject(_PyTime_t *t,
/* Convert a timestamp to a number of seconds as a C double. */
PyAPI_FUNC(double) _PyTime_AsSecondsDouble(_PyTime_t t);
/* Convert timestamp to a number of milliseconds (10^-3 seconds). */
PyAPI_FUNC(_PyTime_t) _PyTime_AsMilliseconds(_PyTime_t t,
/* Convert timestamp to a number of microseconds (10^-6 seconds). */
PyAPI_FUNC(_PyTime_t) _PyTime_AsMicroseconds(_PyTime_t t,
/* Convert timestamp to a number of nanoseconds (10^-9 seconds) as a Python int
PyAPI_FUNC(PyObject *) _PyTime_AsNanosecondsObject(_PyTime_t t);
/* Convert a timestamp to a timeval structure (microsecond resolution).
tv_usec is always positive.
Raise an exception and return -1 if the conversion overflowed,
PyAPI_FUNC(int) _PyTime_AsTimeval(_PyTime_t t,
/* Similar to _PyTime_AsTimeval(), but don't raise an exception on error. */
PyAPI_FUNC(int) _PyTime_AsTimeval_noraise(_PyTime_t t,
/* Convert a timestamp to a number of seconds (secs) and microseconds (us).
us is always positive. This function is similar to _PyTime_AsTimeval()
except that secs is always a time_t type, whereas the timeval structure
uses a C long for tv_sec on Windows.
Raise an exception and return -1 if the conversion overflowed,
PyAPI_FUNC(int) _PyTime_AsTimevalTime_t(
#if defined(HAVE_CLOCK_GETTIME) || defined(HAVE_KQUEUE)
/* Convert a timestamp to a timespec structure (nanosecond resolution).
tv_nsec is always positive.
Raise an exception and return -1 on error, return 0 on success. */
PyAPI_FUNC(int) _PyTime_AsTimespec(_PyTime_t t, struct timespec *ts);
/* Get the current time from the system clock.
The function cannot fail. _PyTime_Init() ensures that the system clock
PyAPI_FUNC(_PyTime_t) _PyTime_GetSystemClock(void);
/* Get the time of a monotonic clock, i.e. a clock that cannot go backwards.
The clock is not affected by system clock updates. The reference point of
the returned value is undefined, so that only the difference between the
results of consecutive calls is valid.
The function cannot fail. _PyTime_Init() ensures that a monotonic clock
is available and works. */
PyAPI_FUNC(_PyTime_t) _PyTime_GetMonotonicClock(void);
/* Structure used by time.get_clock_info() */
const char *implementation;
/* Get the current time from the system clock.
* Fill clock information if info is not NULL.
* Raise an exception and return -1 on error, return 0 on success.
PyAPI_FUNC(int) _PyTime_GetSystemClockWithInfo(
/* Get the time of a monotonic clock, i.e. a clock that cannot go backwards.
The clock is not affected by system clock updates. The reference point of
the returned value is undefined, so that only the difference between the
results of consecutive calls is valid.
Fill info (if set) with information of the function used to get the time.
Return 0 on success, raise an exception and return -1 on error. */
PyAPI_FUNC(int) _PyTime_GetMonotonicClockWithInfo(
Return 0 on success, raise an exception and return -1 on error. */
PyAPI_FUNC(int) _PyTime_Init(void);
/* Converts a timestamp to the Gregorian time, using the local time zone.
Return 0 on success, raise an exception and return -1 on error. */
PyAPI_FUNC(int) _PyTime_localtime(time_t t, struct tm *tm);
/* Converts a timestamp to the Gregorian time, assuming UTC.
Return 0 on success, raise an exception and return -1 on error. */
PyAPI_FUNC(int) _PyTime_gmtime(time_t t, struct tm *tm);
#endif /* Py_LIMITED_API */
It is recommended that you Edit text format, this type of Fix handles quite a lot in one request
