On Wed, Apr 10, 2019, 04:04 Victor Stinner <vstin...@redhat.com> wrote:
> Le mar. 9 avr. 2019 à 22:16, Steve Dower <steve.do...@python.org> a écrit > : > > What are the other changes that would be required? > > I don't know. > > > And is there another > > way to get the same functionality without ABI modifications? > > Py_TRACE_REFS is a double linked list of *all* Python objects. To get > this functionality, you need to store the list somewhere. I don't know > how to maintain such list outside the PyObject structure. > I assume these pointers get updated from some generic allocation/free code. Could that code instead overallocate by 16 bytes, use the first 16 bytes to hold the pointers, and then return the PyObject* as (actual allocated pointer + 16)? Basically the "container_of" trick. I don't think that I ever used sys.getobjects(), whereas many projects > use gc.get_objects() which is also available in release builds (not > only in debug builds). Can anyone explain what pydebug builds are... for? Confession: I've never used them myself, and don't know why I would want to. (I have to assume that most of Steve's Windows downloads are from folks who thought they were downloading a python debugger.) -n
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