#10818: EclLib should allow signals to make LISP code interruptable
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Reporter: nbruin | Owner: was
Type: defect | Status: needs_work
Priority: major | Milestone: sage-feature
Component: interfaces | Keywords: lisp ecl
signal interrupt
Author: Nils Bruin | Upstream: N/A
Reviewer: | Merged:
Work_issues: investigate ECL interrupt handling |
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Comment(by nbruin):
A simple approach would be to swap in ECL's signal handler for SIGINT upon
entry of ECL code and swap back to the sage signal handler afterwards. The
patch handlerswap.patch takes this approach. Unfortunately, it doesn't
work. For some reason, the SIGINT handler we capture from ECL seems to
just exit upon interrupt. This is not ECL's normal behaviour and the
attached stand-alone program siginttest.c (also attached) shows that this
approach works in principle.
I have no idea why the same approach leads to different results in a sage
and cython context.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10818#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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