Alexander Belopolsky <belopol...@users.sourceforge.net> added the comment:

On Wed, Dec 22, 2010 at 9:27 PM, Scott Dial <rep...@bugs.python.org> wrote:
>
> Scott Dial <sc...@scottdial.com> added the comment:
>
> On 12/22/2010 8:52 PM, STINNER Victor wrote:
> > Amaury asked for a sys.setsegfaultenabled() option: I think that the 
> > command line option and the environment variable are enough.
>
> I really think you should think of it as a choice the developer of an
> application makes instead of a choice an application user makes. A
> setsegfaultenabled() could just be another step of initializing the
> application akin to setting up the logging module, for instance. In that
> situation, a function call has a much lower barrier for use than a CLI
> option or environment variable where you'd have to create a wrapper script.

+1

I would actually prefer just sys.setsegfaultenabled() without a
controlling environment variable.  If necessary, the environment
variable can be checked in site.py and sys.setsegfaultenabled()
called.

As I suggested on python-dev, I also think this belongs to a separate
module rather than core or sys.  The relevant code is already
segregated in a file, so turning it into a module should not be
difficult.  The only function that probably must stay in core is
_Py_DumpBacktrace().  With say "segvhandler" module, site.py can
include something like this:

if sys.getenv('PYTHONSEGVHANDLER'):
     import segvhandler
     segvhandler.enable()

Does the latest patch address the GIL/multithreading issues?

----------
title: Display Python backtrace on SIGSEGV,     SIGFPE and fatal error -> 
Display Python backtrace on SIGSEGV, SIGFPE and fatal error

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<http://bugs.python.org/issue8863>
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