Does implementation of epoll have any rfc?

Many network protocols have their own rfc(request for comment),

like this one for http/1.1:

http://www.w3.org/Protocols/HTTP/1.1/rfc2616.pdf

does 开发者_如何学运维epoll have its own rfc online?

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epoll is a set of functions, not a network protocol. The epoll(7) man page is probably the clearest source of information about their usage.