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dp/common/clock.pyx

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Cython

# distutils: language = c++
# cython: language_level = 3
from posix.time cimport clock_gettime, timespec, CLOCK_MONOTONIC_RAW, clockid_t
IF UNAME_SYSNAME == "Darwin":
# Darwin doesn't have a CLOCK_BOOTTIME
CLOCK_BOOTTIME = CLOCK_MONOTONIC_RAW
ELSE:
from posix.time cimport CLOCK_BOOTTIME
cdef double readclock(clockid_t clock_id):
cdef timespec ts
cdef double current
clock_gettime(clock_id, &ts)
current = ts.tv_sec + (ts.tv_nsec / 1000000000.)
return current
def monotonic_time():
return readclock(CLOCK_MONOTONIC_RAW)
def sec_since_boot():
return readclock(CLOCK_BOOTTIME)