def flush(self):
"""trigger actual zmq send
send will happen in the background thread
"""
if self.pub_thread.thread.is_alive():
# request flush on the background thread
self.pub_thread.schedule(self._flush)
# wait for flush to actually get through, if we can.
# waiting across threads during import can cause deadlocks
# so only wait if import lock is not held
if not import_lock_held():
evt = threading.Event()
self.pub_thread.schedule(evt.set)
# and give a timeout to avoid
if not evt.wait(self.flush_timeout):
# write directly to __stderr__ instead of warning because
# if this is happening sys.stderr may be the problem.
print("IOStream.flush timed out", file=sys.__stderr__)
else:
self._flush()
def flush(self):
"""trigger actual zmq send
send will happen in the background thread
"""
if self.pub_thread.thread.is_alive():
# request flush on the background thread
self.pub_thread.schedule(self._flush)
# wait for flush to actually get through, if we can.
# waiting across threads during import can cause deadlocks
# so only wait if import lock is not held
if not import_lock_held():
evt = threading.Event()
self.pub_thread.schedule(evt.set)
# and give a timeout to avoid
if not evt.wait(self.flush_timeout):
# write directly to __stderr__ instead of warning because
# if this is happening sys.stderr may be the problem.
print("IOStream.flush timed out", file=sys.__stderr__)
else:
self._flush()