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ignore EINTR in channel loops #501

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ignore EINTR in channel loops #501

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@minrk minrk commented Jun 3, 2011

closes #499

calls to ioloop.start() are wrapped in:

while True:
    try:
        self.ioloop.start()
    except zmq.ZMQError as e:
        if e.errno == errno.EINTR:
            continue
        else:
            raise
    else:
        break

preventing Qt's spurious interrupts from crashing channels.

@minrk minrk closed this in 3e19444 Jun 4, 2011
@pankajp pankajp mentioned this pull request Aug 27, 2013
Merged
minrk added a commit that referenced this pull request Aug 27, 2013
@minrk
Backport PR #4118: ZMQ heartbeat channel: catch EINTR exceptions and …
bf63ce7 
…continue.

The zmq heartbeat channel exits when it encounters an
"Interrupted system call", thereby causing the qtconsole to
report that it is not responding, despite the console working
perfectly fine. Observed in a large Qt application embedding
the ipython qtconsole in KDE desktop.
Fixes #2310
Inspired by #501
mattvonrocketstein pushed a commit to mattvonrocketstein/ipython that referenced this pull request Nov 3, 2014
@minrk
ignore EINTR in channel loops
50c0f1b 
closes ipythongh-499
closes ipythongh-501
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Successfully merging this pull request may close these issues.

"ZMQError: Interrupted system call" when saving inline figure
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@minrk