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gh-107630: Initialize Each Interpreter's refchain Properly (gh-107733)

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This finishes fixing the crashes in Py_TRACE_REFS builds.  We missed this part in gh-107567.
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Eric Snow 2023-08-07 13:14:56 -06:00 • committed by GitHub
parent 16c9415fba
commit 430632d6f7
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4 changed files with 25 additions and 1 deletions
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22
Objects/object.c
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@ -162,6 +162,14 @@ _PyDebug_PrintTotalRefs(void) {
#define REFCHAIN(interp) &interp->object_state.refchain
static inline void
init_refchain(PyInterpreterState *interp)
{
PyObject *refchain = REFCHAIN(interp);
refchain->_ob_prev = refchain;
refchain->_ob_next = refchain;
}
/* Insert op at the front of the list of all objects. If force is true,
* op is added even if _ob_prev and _ob_next are non-NULL already. If
* force is false amd _ob_prev or _ob_next are non-NULL, do nothing.
@ -2019,6 +2027,18 @@ PyObject _Py_NotImplementedStruct = {
&_PyNotImplemented_Type
};
void
_PyObject_InitState(PyInterpreterState *interp)
{
#ifdef Py_TRACE_REFS
if (!_Py_IsMainInterpreter(interp)) {
init_refchain(interp);
}
#endif
}
extern PyTypeObject _Py_GenericAliasIterType;
extern PyTypeObject _PyMemoryIter_Type;
extern PyTypeObject _PyLineIterator;
@ -2326,7 +2346,7 @@ _Py_GetObjects(PyObject *self, PyObject *args)
#undef REFCHAIN
#endif
#endif /* Py_TRACE_REFS */
/* Hack to force loading of abstract.o */