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author | Victor Stinner <victor.stinner@gmail.com> | 2015-03-12 10:32:20 +0100 |
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committer | Victor Stinner <victor.stinner@gmail.com> | 2015-03-12 10:32:20 +0100 |
commit | b4d726f3b379fd28b021237669231da7041d8d72 (patch) | |
tree | ecef495715d6c5c51dd892b6638bc1efa3277174 /Include/pytime.h | |
parent | f68d1650e89c4ca5b431637e1f2bca5b3bdfa551 (diff) | |
parent | aef79164ae10e13c882ce2e10905809d16b85b09 (diff) | |
download | cpython-b4d726f3b379fd28b021237669231da7041d8d72.tar.gz |
Merge 3.4 (test_os)
Diffstat (limited to 'Include/pytime.h')
-rw-r--r-- | Include/pytime.h | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/Include/pytime.h b/Include/pytime.h index b0fc6d0354..7a14456d3f 100644 --- a/Include/pytime.h +++ b/Include/pytime.h @@ -37,7 +37,7 @@ 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 +52,6 @@ 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 +90,28 @@ PyAPI_FUNC(int) _PyTime_ObjectToTimespec( time_t *sec, long *nsec, _PyTime_round_t); -#endif -/* Dummy to force linking. */ -PyAPI_FUNC(void) _PyTime_Init(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 never fails. _PyTime_Init() ensures that a monotonic clock + is available and works. */ +PyAPI_FUNC(void) _PyTime_monotonic( + _PyTime_timeval *tp); + +/* Similar to _PyTime_monotonic(), fill also 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_monotonic_info( + _PyTime_timeval *tp, + _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 } |