Method fetch_add

src/platforms/shared/atomic.h:82–84

Fetch operations (used by various FastLED code)

    // Fetch operations (used by various FastLED code)
    T fetch_add(T value) FL_NOEXCEPT {
        return __atomic_fetch_add(&mValue, value, __ATOMIC_ACQ_REL);
    }

    T fetch_sub(T value) FL_NOEXCEPT {
        return __atomic_fetch_sub(&mValue, value, __ATOMIC_ACQ_REL);