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Wed Dec 10 20:22:13 CET 2008 · https://mail.python.org/pipermail/python-dev/2008-December/084219.html

One thing i think it would be useful for in the real world is for
unittesting extension modules. You cant profitably write unit tests
for segfaults because that breaks the test harness. In situations like
those, recovering would be likely (caveat emptor of course).

2008/12/10, Adam Olsen <rhamph at gmail.com>:
> On Wed, Dec 10, 2008 at 4:06 AM, Victor Stinner
> <victor.stinner at haypocalc.com> wrote:
>> Hi,
>>
>> I published a new version of my fault handler: it installs an handler for
>> signals SIGFPE and SIGSEGV. Using it, it's possible to catch them and
>> continue the execution of your Python program. Example:
>
> This will of course leave the program in an undefined state.  It is
> very likely to crash again, emit garbage, hang, or otherwise be
> useless.
>
> sigsetjmp() is only safe for code explicitly designed for it.  That
> will never be the case for CPython, let alone all the arbitrary
> libraries that may be used with it.
>
>
> --
> Adam Olsen, aka Rhamphoryncus
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-- 
mvh Björn

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[Python-Dev] Trap SIGSEGV and SIGFPE