16 # generic events, that must be mapped to implementation-specific ones
46 SelectorKey = namedtuple('SelectorKey', ['fileobj', 'fd', 'events', 'data'])
48 SelectorKey.__doc__ = """SelectorKey(fileobj, fd, events, data)
55 SelectorKey.events.__doc__ = 'Events that must be waited for on this file object.'
88     I/O events.
100     def register(self, fileobj, events, data=None):  argument
105         events  -- events to monitor (bitwise mask of EVENT_READ|EVENT_WRITE)
112         ValueError if events is invalid
141     def modify(self, fileobj, events, data=None):  argument
142         """Change a registered file object monitored events or attached data.
146         events  -- events to monitor (bitwise mask of EVENT_READ|EVENT_WRITE)
156         return self.register(fileobj, events, data)
172         list of (key, events) for ready file objects
173         `events` is a bitwise mask of EVENT_READ|EVENT_WRITE
238     def register(self, fileobj, events, data=None):  argument
239         if (not events) or (events & ~(EVENT_READ | EVENT_WRITE)):
240             raise ValueError("Invalid events: {!r}".format(events))
242         key = SelectorKey(fileobj, self._fileobj_lookup(fileobj), events, data)
258     def modify(self, fileobj, events, data=None):  argument
263         if events != key.events:
265             key = self.register(fileobj, events, data)
289     def register(self, fileobj, events, data=None):  argument
290         key = super().register(fileobj, events, data)
291         if events & EVENT_READ:
293         if events & EVENT_WRITE:
324                 events = ((fd in r and EVENT_READ)
326                 ready.append((key, events & key.events))
340     def register(self, fileobj, events, data=None):  argument
341         key = super().register(fileobj, events, data)
342         poller_events = ((events & EVENT_READ and self._EVENT_READ)
343                          | (events & EVENT_WRITE and self._EVENT_WRITE) )
361     def modify(self, fileobj, events, data=None):  argument
368         if events != key.events:
369             selector_events = ((events & EVENT_READ and self._EVENT_READ)
370                                | (events & EVENT_WRITE and self._EVENT_WRITE))
381             key = key._replace(events=events, data=data)
406                 events = ((event & ~self._EVENT_READ and EVENT_WRITE)
408                 ready.append((key, events & key.events))
460                     events = ((event & _NOT_EPOLLIN and EVENT_WRITE)
462                     ready.append((key, events & key.events))
499         def register(self, fileobj, events, data=None):  argument
500             key = super().register(fileobj, events, data)
502                 if events & EVENT_READ:
507                 if events & EVENT_WRITE:
519             if key.events & EVENT_READ:
529             if key.events & EVENT_WRITE:
558                     events = ((flag == select.KQ_FILTER_READ and EVENT_READ)
560                     ready.append((key, events & key.events))