apple: use CLOCK_MONOTONIC_RAW for time tracking #601
Merged
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see https://www.manpagez.com/man/3/clock_gettime_nsec_np/ CLOCK_UPTIME_RAW is the same with mach_absolute_time(); but CLOCK_UPTIME_RAW does not increment while the system is asleep.
use CLOCK_MONOTONIC_RAW here for continuing to increment while the system is asleep