Function Uptime

util/datetime/uptime.cpp:42–57

#endif // _darwin_

TDuration Uptime() {
#if defined(_win_)
    return TDuration::MilliSeconds(GetTickCount64());
#elif defined(_linux_)
    struct timespec ts;
    int ret = clock_gettime(CLOCK_BOOTTIME, &ts);
    Y_ENSURE_EX(ret != -1, TSystemError() << "Failed to read the CLOCK_BOOTTIME timer");
    return TDuration::Seconds(ts.tv_sec) + TDuration::MicroSeconds(ts.tv_nsec / 1000);
#elif defined(_darwin_) || defined(_freebsd_)
    return GetBSDUptime();
#elif defined(_emscripten_)
    ythrow yexception() << "unimplemented";
#else
    #error "Implement this method"
#endif
}