Method Acquire

util/system/spinlock.h:69–79

    using TSpinLockBase::TSpinLockBase;

    inline void Acquire() noexcept {
        intptr_t zero = 0;
        if (Val_.compare_exchange_strong(zero, 1)) {
            return;
        }
        do {
            SpinLockPause();
            zero = 0;
        } while (Val_.load(std::memory_order_acquire) != 0 ||
                 !Val_.compare_exchange_strong(zero, 1));
    }

    inline void lock() noexcept {
        Acquire();