#9678: Rewrite interrupt handling
------------------------------+---------------------------------------------
Reporter: jdemeyer | Owner: tba
Type: task | Status: new
Priority: major | Milestone: sage-feature
Component: c_lib | Keywords: interrupt, error, c, cython
Author: Jeroen Demeyer | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
------------------------------+---------------------------------------------
Description changed by jdemeyer:
Old description:
> There are lots of things to be improved in the interrupt handling
> routines in c_lib/src/interrupt.c and c_lib/include/interrupt.h.
>
> There also seems to be a lot of old, unused code which should be cleaned
> up.
>
> TODO: an interface for more general errors which are not signals (and use
> it for PARI, see #9640).
>
> For testing, see the separate ticket #10030.
>
> Related tickets:
> * #9564 (libsingular exponentiation can not be interrupted)
> * #7879 (Remove unnecessary signal handling for low prec mpfr
> operations) --- hopefully {{{_sig_on}}} and {{{_sig_off}}} can be made
> very fast such that this shouldn't be an issue anymore.
> * #10018 (Unhandled SIGSEGV after bnfcertify())
> * #7794 ({{{PolynomialRing_integral_domain}}} ignores Ctrl-C and
> segfaults)
New description:
There are lots of things to be improved in the interrupt handling routines
in c_lib/src/interrupt.c and c_lib/include/interrupt.h.
There also seems to be a lot of old, unused code which should be cleaned
up.
TODO: an interface for more general errors which are not signals (and use
it for PARI, see #9640).
For testing, see the separate ticket #10030.
Related tickets:
* #9564 (libsingular exponentiation can not be interrupted)
* #7879 (Remove unnecessary signal handling for low prec mpfr operations)
--- hopefully {{{_sig_on}}} and {{{_sig_off}}} can be made very fast such
that this shouldn't be an issue anymore.
* #10018 (Unhandled SIGSEGV after bnfcertify())
* #7794 ({{{PolynomialRing_integral_domain}}} ignores Ctrl-C and
segfaults)
* #5313 (patch singular so that when it runs out of memory the error
message says "singular" in it)
--
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9678#comment:6>
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