selectors.py 文件源码

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