202306281018循环队列参考

下列材料可供实现并发循环队列时参考：

1. https://github.com/facebook/folly/blob/main/folly/ProducerConsumerQueue.h
2. https://moodycamel.com/blog/2013/a-fast-lock-free-queue-for-c++.htm
3. https://preshing.com/20120625/memory-ordering-at-compile-time/
4. https://github.com/cameron314/readerwriterqueue