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UnrealEnginePython/android/python35/include/pytime.h at master · 20tab/UnrealEnginePython · GitHub
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UnrealEnginePython
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pytime.h
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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
PY_INT64_T
/* _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
UNIX epoch). */
typedef
PY_INT64_T
_PyTime_t
;
#define
_PyTime_MIN
PY_LLONG_MIN
#define
_PyTime_MAX
PY_LLONG_MAX
#else
# error
"_PyTime_t need signed 64-bit integer type"
#endif
typedef
enum
{
/* Round towards minus infinity (-inf).
For example, used to read a clock. */
_PyTime_ROUND_FLOOR
=
0
,
/* Round towards infinity (+inf).
For example, used for timeout to wait "at least" N seconds. */
_PyTime_ROUND_CEILING
}
_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 time_t. */
PyAPI_FUNC
(
int
)
_PyTime_ObjectToTime_t
(
PyObject
*
obj
,
time_t
*
sec
,
_PyTime_round_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
(
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
);
/* 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
(
PY_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
,
PyObject
*
obj
,
_PyTime_round_t
round
);
/* 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
,
PyObject
*
obj
,
_PyTime_round_t
round
);
/* 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
,
_PyTime_round_t
round
);
/* Convert timestamp to a number of microseconds (10^-6 seconds). */
PyAPI_FUNC
(
_PyTime_t
)
_PyTime_AsMicroseconds
(
_PyTime_t
t
,
_PyTime_round_t
round
);
/* Convert timestamp to a number of nanoseconds (10^-9 seconds) as a Python int
object. */
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,
return 0 on success. */
PyAPI_FUNC
(
int
)
_PyTime_AsTimeval
(
_PyTime_t
t
,
struct
timeval
*
tv
,
_PyTime_round_t
round
);
/* Similar to _PyTime_AsTimeval(), but don't raise an exception on error. */
PyAPI_FUNC
(
int
)
_PyTime_AsTimeval_noraise
(
_PyTime_t
t
,
struct
timeval
*
tv
,
_PyTime_round_t
round
);
#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
);
#endif
/* Get the current time from the system clock.
The function cannot fail. _PyTime_Init() ensures that the system clock
works. */
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() */
typedef
struct
{
const
char
*
implementation
;
int
monotonic
;
int
adjustable
;
double
resolution
;
}
_Py_clock_info_t
;
/* 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
(
_PyTime_t
*
t
,
_Py_clock_info_t
*
info
);
/* 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
(
_PyTime_t
*
t
,
_Py_clock_info_t
*
info
);
/* Initialize time.
Return 0 on success, raise an exception and return -1 on error. */
PyAPI_FUNC
(
int
)
_PyTime_Init
(
void
);
#ifdef
__cplusplus
}
#endif
#endif
/* Py_PYTIME_H */
#endif
/* Py_LIMITED_API */
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