def gevent_callback(watcher, revents):
gevent_check_signals(watcher.loop)
if watcher.args is not None and len(watcher.args) > 0 and watcher.args[0] == GEVENT_CORE_EVENTS:
watcher.args[0] = revents
watcher._callback(*watcher.args)
if not libev.ev_is_active(pointer(watcher._watcher_struct)):
watcher.stop()
def set_ref(self, value):
if value:
if not self._flags & 4:
return # ref is already True
if self._flags & 2: # ev_unref was called, undo
libev.ev_ref(self.loop._ptr)
self._flags &= ~6 # do not want unref, no outstanding unref
else:
if self._flags & 4:
return # ref is already False
self._flags |= 4
if not self._flags & 2 and libev.ev_is_active(pointer(self._watcher_struct)):
libev.ev_unref(self.loop._ptr)
self._flags |= 2
def set_events(self, events):
if libev.ev_is_active(pointer(self._watcher_struct)):
raise AttributeError("'io' watcher attribute 'events' is read-only while watcher is active")
self._watcher_init(self._watcher_struct, self._watcher_callback, self._watcher_struct.fd, events)
def active(self):
return True if libev.ev_is_active(pointer(self._watcher_struct)) else False
def set_priority(self, priority):
if libev.ev_is_active(pointer(self._watcher_struct)):
raise AttributeError("Cannot set priority of an active watcher")
libev.ev_set_priority(pointer(self._watcher_struct), priority)
def _stop_signal_checker(self):
if libev.ev_is_active(pointer(self._signal_checker)):
libev.ev_ref(self._ptr)
libev.ev_prepare_stop(self._ptr, pointer(self._signal_checker))
