def restart(self, reason='unknown'):
with self.lock:
if not self.shutdown.is_set():
self.log.debug('restarting the source, reason <%s>' % (reason))
self.evq.put((cmsg(self.target, SchemaReadLock()), ))
try:
self.close()
if self.th:
self.th.join()
self.start()
finally:
self.evq.put((cmsg(self.target, SchemaReadUnlock()), ))
def close(self):
with self._global_lock:
if self._dbm_shutdown.is_set():
return
else:
self._dbm_shutdown.set()
if hasattr(atexit, 'unregister'):
atexit.unregister(self.close)
else:
try:
atexit._exithandlers.remove((self.close, (), {}))
except ValueError:
pass
# shutdown the _dbm_thread
self._event_queue.shutdown()
self._event_queue.bypass((cmsg(None, ShutdownException()), ))
self._dbm_thread.join()
