#14894: Fix PARI error handling (needed for future upgrade to PARI 2.6)
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Reporter: vbraun | Owner: jdemeyer
Type: defect | Status: needs_work
Priority: major | Milestone: sage-5.12
Component: packages: standard | Resolution:
Keywords: pari error signal | Merged in:
Authors: Peter Bruin | Reviewers: Jeroen Demeyer
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #12142, #14873 | Stopgaps:
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Comment (by pbruin):
Replying to [comment:40 jdemeyer]:
> I asked `pari-dev` about a callback function instead of `longjmp()` for
PARI error handling (i.e. option 3 above).
There is the callback function `cb_pari_handle_exception`, but I don't
quite see how to use this without any `longjmp()`; see comment:34. Hence
two questions:
- Would a new callback function really be needed (e.g. because it has to
be called at a different moment than `cb_pari_handle_exception`)?
- Does the option 3 that you have in mind somehow avoid `longjmp()`, or do
you propose to do the `longjmp()` inside a common error-handling function
for signals and PARI errors?
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Ticket URL: <http://trac.sagemath.org/ticket/14894#comment:41>
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