[Python-Dev] A little GC confusion

Jason Orendorff jason@jorendorff.com
Fri, 22 Feb 2002 03:31:55 -0600

Thomas Heller wrote:
> David Abrahams wrote:
> > What I don't understand is how the builtin metatype
> > gets away with Py_TPFLAGS_HAVE_GC when some of its instance 
> > types are not even heap-allocated.
> Hm,  I don't understand you, Are you talking about Py_TPFLAGS_HEAPTYPE?

I think David is asking about line 1404 of Objects/typeobject.c,
where it says that PyType_Type is Py_TPFLAGS_HAVE_GC.
How can it have GC when many instances are static objects, not
allocated with PyObject_GC_VarNew()?

I don't know the answer.

## Jason Orendorff    http://www.jorendorff.com/