Dup is the wrapper for dupCloseOnExec.

OpenPoller instantiates a poller.

SetKeepAlive sets the keepalive for the connection.

SockaddrToTCPOrUnixAddr converts a Sockaddr to a net.TCPAddr or net.UnixAddr.

SockaddrToUDPAddr converts a Sockaddr to a net.UDPAddr Returns nil if conversion fails.

ErrEvents represents exceptional events that are not read/write, like socket being closed, reading/writing from/to a closed socket, etc.

InEvents combines EPOLLIN/EPOLLPRI events and some exceptional events.

InitEvents represents the initial length of poller event-list.

OutEvents combines EPOLLOUT event and some exceptional events.

Poller represents a poller which is in charge of monitoring file-descriptors.