#10818: EclLib should allow signals to make LISP code interruptable
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Reporter: nbruin | Owner: was
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.7
Component: interfaces | Keywords: lisp ecl signal interrupt
Author: Nils Bruin | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by nbruin):
Replying to [comment:7 drkirkby]:
> If this can leave ECL in an undefined state, and so potentially Maxima
generate incorrect results
I don't know if maxima is robust in the face of interrupts, but we're
already exposed to that by letting pexpect propagate SIGINT.
As far as I know, the present patch does not contribute to possible
corruption of ECL. You might end up in the ECL debugger if the interrupt
arrives between teardown of the Lisp version of try/expect and the swap of
the interrupt handlers. This is easily distinguished from a wrong answer.
See http://sourceforge.net/mailarchive/message.php?msg_id=27127709 for JJ
G-P's suggestion for dealing with this.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10818#comment:8>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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