#13447: Make libsingular multivariate polynomial rings collectable
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Reporter: nbruin |
Owner:
Type: defect |
Status: needs_work
Priority: major |
Milestone: sage-5.4
Component: memleak |
Resolution:
Keywords: | Work
issues: Replace rDelete by rKill. Only create currRingHdl if currRing is not
null
Report Upstream: None of the above - read trac for reasoning. |
Reviewers: Simon King
Authors: Nils Bruin, Simon King | Merged
in:
Dependencies: #11521 |
Stopgaps:
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Comment (by SimonKing):
Replying to [comment:57 SimonKing]:
> Since we apply `singular_ring_delete` to non-commutative (quotient)
rings, and we do not call `rKill` but only `rDelete`, we currently have a
memory leak for non-commutative rings.
Or perhaps we do ''not'' have a leak. Namely, the internal data are also
referenced via python, and thus will be deleted when the ring is deleted.
Well, let's see if `rKill` results in segfaults (due to the attempt to
deallocate the internal data twice)...
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13447#comment:59>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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