epoll or poll, which should be used in TCP long connection?

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I am not very deep understanding of both, I think you should use epoll, but not as good as the use of poll. Because when using epoll, causing high CPU load. I do not know if it is so, or program bug.Can someone explain it?

asked 1 min ago

Yan.Zero

44

epoll or poll, which should be used in TCP long connection?