micros64()

fl::u64 fl::micros64

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64-bit monotonic microsecond timer.

Extends the platform's 32-bit microsecond counter using unsigned elapsed deltas, so the returned value never wraps in practical use.

Definition at line 127 of file chrono.cpp.hpp.

                              {
    Micros64State& state = get_micros64_state();
    fl::unique_lock<fl::mutex> lock(state.mutex);
    const fl::u32 current = fl::micros();
    if (!state.initialized) {
        state.accumulated = current;
        state.last_micros = current;
        state.initialized = true;
        return state.accumulated;
    }
    state.accumulated += static_cast<fl::u32>(current - state.last_micros);
    state.last_micros = current;
    return state.accumulated;
}

References FL_NO_EXCEPT, micros(), and state.

Referenced by fl::chrono::steady_clock::now(), and fl::chrono::system_clock::now().

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