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Xeus crashes on SIGINT #272

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rapgenic opened this issue Feb 6, 2021 · 1 comment
Open

Xeus crashes on SIGINT #272

rapgenic opened this issue Feb 6, 2021 · 1 comment

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@rapgenic
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rapgenic commented Feb 6, 2021 •
edited

Jupyter protocol specifies SIGINT as one of the two methods for interrupting the kernel.

However when the interpreter itself does not register a signal handler, and a interrupt request is performed with the SIGINT (for example clicking on the stop button), the kernel stops on zmq::poll function in xserver_zmq.cpp (line 116), that throws an exception due to the received signal.

This causes the kernel to stop and jupyter to show an error message.

I have tested this in xeus-python (binder instance) as well, and has the same behaviour.
rapgenic added a commit to jupyter-xeus/xeus-octave that referenced this issue Feb 6, 2021
@rapgenic
Support kernel stop request via octave SIGINT
fbd52ea 
When no cell is running the SIGINT causes xeus to stop see
jupyter-xeus/xeus#272

Close: #25
@SylvainCorlay
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Thanks for the report. This is definitely in scope for core xeus.

@SylvainCorlay SylvainCorlay mentioned this issue Dec 25, 2021
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@SylvainCorlay @rapgenic