Epoll

 

 

 

 

 

https://jacking75.github.io/choiheungbae/%EB%AC%B8%EC%84%9C/epoll%EC%9D%84%20%EC%82%AC%EC%9A%A9%ED%95%9C%20%EB%B9%84%EB%8F%99%EA%B8%B0%20%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%B0%8D.pdf