spinlock.c

// https://danglingpointers.com/post/spinlock-implementation/
void Lock(AtomicI32& _spinLock)
{
    for (;;)
    {
        if (_spinLock.load_Acquire() == 0)
        {
            i32 expected = 0;
            i32 store = 1;
            if (_spinLock.compareExchange_Acquire(expected, store))
                break;
        }
        EMIT_PAUSE_INSTRUCTION();
    }
}