New submission from Ryan Kelly <r...@rfk.id.au>:

According to the docs here:

  http://docs.python.org/c-api/gcsupport.html

Any object that uses PyObject_GC_Track in its constructor must call 
PyObject_GC_UnTrack in its deallocator.  The CThunkObject in _ctypes does the 
former but not the later.  Attached patch adds a call to PyObject_GC_UnTrack.

This doesn't fix any particular bug I was seeing, I just happened to be going 
through the _ctypes sources (you know, for fun...) and noticed this discrepancy.

----------
components: ctypes
files: ctypes_gcuntrack.patch
keywords: patch
messages: 139724
nosy: rfk
priority: normal
severity: normal
status: open
title: CThunkObject_dealloc should call PyObject_GC_UnTrack?
versions: Python 3.3
Added file: http://bugs.python.org/file22560/ctypes_gcuntrack.patch

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