[issue12857] Expose called function on frame object

[Yury Selivanov]

Yury Selivanov added the comment:

> I don't see a better way to handle my (admittedly a bit weird) control-C case within the interpreter

I'm not sure I understand how `f_func` would help to better handle Control-C in Trio. Nathaniel, could you please elaborate on that?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12857>
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