#19132: Start a single process when running Sage
-------------------------------------+-------------------------------------
Reporter: jdemeyer | Owner:
Type: defect | Status: needs_work
Priority: major | Milestone: sage-6.9
Component: interfaces | Resolution:
Keywords: | Merged in:
Authors: Jeroen Demeyer | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/jdemeyer/fix_interrupts_in_jupyter|
af48d8b6c3c9f9e6de65628ff7fdd77ec89b2fb3
Dependencies: | Stopgaps:
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Changes (by jdemeyer):
* status: needs_review => needs_work
* upstream: None of the above - read trac for reasoning. => N/A
Old description:
> Jupyter messes with Sage's interrupt (`SIGINT`) handler, such that code
> like
> {{{
> factor(2^1000 + 1)
> }}}
> cannot be interrupted for example.
>
> Upstream tickets:
> * [https://github.com/ipython/ipykernel/pull/49] (merged upstream)
> * [https://github.com/jupyter/jupyter_client/pull/68] (no feedback yet)
New description:
Jupyter assumes that it is running a single process. With Sage, this
assumption is currently not true due to the "front-end" `$SAGE_ROOT/sage`
script. If we instead use `exec` there, this is no longer a problem.
--
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Ticket URL: <http://trac.sagemath.org/ticket/19132#comment:5>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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