You are correct, I meant lifo but wrote fifo. OSEnqueueAtomic/OSDequeueAtomic and InterlockedSList, by virtue of only being able to push and pop the head, are

You are correct, I meant lifo but wrote fifo. OSEnqueueAtomic/OSDequeueAtomic and InterlockedSList, by virtue of only being able to push and pop the head, are effectively LIFOs.