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gh-102304: Move the Total Refcount to PyInterpreterState (gh-102545)

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Moving it valuable with a per-interpreter GIL.  However, it is also useful without one, since it allows us to identify refleaks within a single interpreter or where references are escaping an interpreter.  This becomes more important as we move the obmalloc state to PyInterpreterState.

https://github.com/python/cpython/issues/102304
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Eric Snow 2023-03-21 11:46:09 -06:00 • committed by GitHub
parent 4bb1dd3c5c
commit 743687434c
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13 changed files with 117 additions and 40 deletions
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Python/pystate.c
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@ -483,8 +483,8 @@ void
_PyRuntimeState_Fini(_PyRuntimeState *runtime)
{
#ifdef Py_REF_DEBUG
/* The reftotal is cleared by _Py_FinalizeRefTotal(). */
assert(runtime->object_state.reftotal == 0);
/* The count is cleared by _Py_FinalizeRefTotal(). */
assert(runtime->object_state.interpreter_leaks == 0);
#endif
if (gilstate_tss_initialized(runtime)) {
@ -904,6 +904,12 @@ PyInterpreterState_Delete(PyInterpreterState *interp)
_PyEval_FiniState(&interp->ceval);
#ifdef Py_REF_DEBUG
// XXX This call should be done at the end of clear_interpreter(),
// but currently some objects get decref'ed after that.
_PyInterpreterState_FinalizeRefTotal(interp);
#endif
HEAD_LOCK(runtime);
PyInterpreterState **p;
for (p = &interpreters->head; ; p = &(*p)->next) {