#15488: Fix misplaced sig_on() inside try
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Reporter: jdemeyer | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.13
Component: c_lib | Resolution:
Keywords: | Merged in:
Authors: Jeroen Demeyer | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by pbruin):
Replying to [comment:6 jdemeyer]:
> Replying to [comment:5 ncohen]:
> > In which case does your code behave differently from the former one ?
> In the case that `sig_on()` raises an exception. Then `sig_off()` should
not be called but setting `rel.thisptr` to a sensible value should happen.
It looks as if another way to solve this is to check if `self.thisptr !=
NULL` in `___dealloc__()`. This is how a similar problem was fixed in
#12888. (Note: Cython initialises attributes to `NULL`.)
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Ticket URL: <http://trac.sagemath.org/ticket/15488#comment:8>
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