Function InterlockedExchange

Source/Engine/Platform/Web/WebPlatform.h:42–45

        __builtin_prefetch(static_cast<char const*>(ptr));
    }
    FORCE_INLINE static int64 InterlockedExchange(int64 volatile* dst, int64 exchange)
    {
        return __sync_lock_test_and_set(dst, exchange);
    }
    FORCE_INLINE static int32 InterlockedCompareExchange(int32 volatile* dst, int32 exchange, int32 comperand)
    {
        return __sync_val_compare_and_swap(dst, comperand, exchange);