selectors.py 文件源码

def register(self, fileobj, events, data=None):
            key = super(EpollSelector, self).register(fileobj, events, data)
            epoll_events = 0
            if events & EVENT_READ:
                epoll_events |= select.EPOLLIN
            if events & EVENT_WRITE:
                epoll_events |= select.EPOLLOUT
            self._epoll.register(key.fd, epoll_events)
            return key