Why does my callback funtion collapse?

[lialie]

Hi,all

I try to callback from a thread in C. But it collapsed. I can't figure
it out.
My test files attached.
Thanks.
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: callback.c
URL: <http://mail.python.org/pipermail/python-list/attachments/20070405/18dbec67/attachment.c>
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: setup.py
URL: <http://mail.python.org/pipermail/python-list/attachments/20070405/18dbec67/attachment.ksh>
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: test_callback.py
URL: <http://mail.python.org/pipermail/python-list/attachments/20070405/18dbec67/attachment-0001.ksh>