#11752: ecl.pyx should not touch SIGPWR neither SIGXCPU when initializing ecl
--------------------------+-------------------------------------------------
Reporter: pcpa | Owner: was
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.2
Component: interfaces | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
--------------------------+-------------------------------------------------
I experienced a problem in the Mandriva sagemath 4.7.1 that was causing
sage to exit with the this somewhat funny message:
sage: from sage.interfaces.maxima_lib import maxima_lib
`/usr/share/sage/local/bin/sage-sage: line 178: 7177 Power failure
sage-ipython "$@" -iThe problem is the logic in ecl.pyx that saves all
signal handlers, initializes ecl and restores them, but this has the nasty
side effect of messing with Boehm GC thread handling, that uses SIGXCPU
and SIGPWR to stop/restart threads during gc.The attached patch corrects
the problem for me, but is just a suggestion, and may need proper testing
on non Linux systems, but on other systems Boehm GC should use a signal
number larger than 32. Or, maybe add some comments about what those
numbers are (SIGPWR = 30 and SIGXCPU = 24).`
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11752>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/sage-trac?hl=en.
