poll_patcher.py 文件源码

def register(self, fd, eventmask=None):
        """Register a file descriptor with the fake polling object."""
        if eventmask is None:
            eventmask = (select_lib.POLLIN |
                         select_lib.POLLOUT |
                         select_lib.POLLPRI)
        self.poll_events[fd] = eventmask