__init__.py 文件源码

def poll(self, timeout):
            rlist, wlist, xlist = self.poller(self.rset, self.wset, self.xset, timeout)
            events = {}
            for fid in rlist:
                events[fid] = _AsyncPoller._Read
            for fid in wlist:
                events[fid] = events.get(fid, 0) | _AsyncPoller._Write
            for fid in xlist:
                events[fid] = events.get(fid, 0) | _AsyncPoller._Error

            return events.items()