[Python-ideas] IDEA: do not alter default SIGINT handling

Greg Ewing greg.ewing at canterbury.ac.nz
Mon Sep 14 03:15:58 CEST 2009

Steven D'Aprano wrote:

> I think it's worth considering what the OP's real complaint is: namely, 
> that (some? all?) C extensions can't be interrupted by ctrl-C as the 
> user would expect. Is that a valid issue, or is it expected that Python 
> has no control over what happens inside the C extension?

I think it's an unavoidable consequence of the desire
to be able to unwind cleanly in the event of a Ctrl-C.
If it happens in the middle of arbitrary C code, you
can't just jump out of it because that could leave things
in an unpredictable state, and execution of further
Python code wouldn't be safe.


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