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ZMQ heartbeat channel: catch EINTR exceptions and continue. #4118

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Aug 27, 2013
Merged

ZMQ heartbeat channel: catch EINTR exceptions and continue. #4118

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13 changes: 11 additions & 2 deletions IPython/kernel/zmq/heartbeat.py
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Expand Up @@ -12,6 +12,7 @@
# Imports
#-----------------------------------------------------------------------------

import errno
import os
import socket
from threading import Thread
Expand Down Expand Up @@ -52,5 +53,13 @@ def run(self):
self.socket = self.context.socket(zmq.REP)
c = ':' if self.transport == 'tcp' else '-'
self.socket.bind('%s://%s' % (self.transport, self.ip) + c + str(self.port))
zmq.device(zmq.FORWARDER, self.socket, self.socket)

while True:
try:
zmq.device(zmq.FORWARDER, self.socket, self.socket)
except zmq.ZMQError as e:
if e.errno == errno.EINTR:
continue
else:
raise
else:
break