[Python-Dev] Re: tp_clear return value
Greg Ewing
greg@cosc.canterbury.ac.nz
Fri, 11 Apr 2003 12:54:01 +1200 (NZST)
> it would be nice to get rid of the endlessly repeated ... ugly
> incantations out of the many tp_traverse slots, in return for putting
> a little bit of setjmp/longjmp ugliness in exactly four functions
> hiding in a single module.
I'd be pretty nervous about having any longjmps anywhere
near anything Python.
If you do this, you'll have to make it very clear that
tp_traverse implementations MUST NOT alter any Python
ref counts, or rely in any other way on running to
completion.
Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury, | A citizen of NewZealandCorp, a |
Christchurch, New Zealand | wholly-owned subsidiary of USA Inc. |
greg@cosc.canterbury.ac.nz +--------------------------------------+