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gh-125286: Share the Main Refchain With Legacy Interpreters#125709

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53cfb82
Share the main refchain with legacy interpreters.
ericsnowcurrentlyOct 18, 2024
b2bf609
Add a has_own_refchain() helper function.
ericsnowcurrentlyOct 18, 2024
203c112
Drop _Py_NormalizeImmortalReference().
ericsnowcurrentlyOct 21, 2024
ffe2633
Drop has_own_refchain() calls where not needed.
ericsnowcurrentlyOct 21, 2024
8d52258
Call _PyObject_InitState() *after* computing the feature flags.
ericsnowcurrentlyOct 21, 2024
216dde2
Revert "Call _PyObject_InitState() *after* computing the feature flags."
ericsnowcurrentlyOct 21, 2024
fbc4e2d
Revert "Drop has_own_refchain() calls where not needed."
ericsnowcurrentlyOct 21, 2024
cb06847
has_own_refchain() -> maybe_fix_refchain()
ericsnowcurrentlyOct 21, 2024
7aa33a9
Handle late runtime fini correctly.
ericsnowcurrentlyOct 21, 2024
3421a19
Pass the interpreter config to init_interpreter().
ericsnowcurrentlyOct 22, 2024
b276454
Revert "Pass the interpreter config to init_interpreter()."
ericsnowcurrentlyOct 22, 2024
7ab086c
Move the _PyObject_InitState() call out of init_interpreter().
ericsnowcurrentlyOct 22, 2024
9d539f6
Add docs and a What's New entry
encukouOct 22, 2024
d80fe6a
Fix typos.
ericsnowcurrentlyOct 22, 2024
1360d86
Do not try to destroy the refchain if it is NULL.
ericsnowcurrentlyOct 22, 2024
090b528
Docs: Link to the new sys.getobjects() docs
encukouOct 23, 2024
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Drop has_own_refchain() calls where not needed.
  • Loading branch information
@ericsnowcurrently
ericsnowcurrently committedOct 21, 2024
commitffe263370fe0ac0f2c5bde12821775b8943eb24f
18 changes: 0 additions & 18 deletionsObjects/object.c
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Original file line numberDiff line numberDiff line change
Expand Up@@ -215,19 +215,13 @@ refchain_fini(PyInterpreterState *interp)
bool
_PyRefchain_IsTraced(PyInterpreterState *interp, PyObject *obj)
{
if (!has_own_refchain(interp)) {
interp = _PyInterpreterState_Main();
}
return (_Py_hashtable_get(REFCHAIN(interp), obj) == REFCHAIN_VALUE);
}


static void
_PyRefchain_Trace(PyInterpreterState *interp, PyObject *obj)
{
if (!has_own_refchain(interp)) {
interp = _PyInterpreterState_Main();
}
if (_Py_hashtable_set(REFCHAIN(interp), obj, REFCHAIN_VALUE) < 0) {
// Use a fatal error because _Py_NewReference() cannot report
// the error to the caller.
Expand All@@ -239,9 +233,6 @@ _PyRefchain_Trace(PyInterpreterState *interp, PyObject *obj)
static void
_PyRefchain_Remove(PyInterpreterState *interp, PyObject *obj)
{
if (!has_own_refchain(interp)) {
interp = _PyInterpreterState_Main();
}
void *value = _Py_hashtable_steal(REFCHAIN(interp), obj);
#ifndef NDEBUG
assert(value == REFCHAIN_VALUE);
Expand DownExpand Up@@ -2587,9 +2578,6 @@ _Py_PrintReferences(PyInterpreterState *interp, FILE *fp)
interp = _PyInterpreterState_Main();
}
fprintf(fp, "Remaining objects:\n");
if (!has_own_refchain(interp)) {
interp = _PyInterpreterState_Main();
}
_Py_hashtable_foreach(REFCHAIN(interp), _Py_PrintReference, fp);
}

Expand DownExpand Up@@ -2618,9 +2606,6 @@ void
_Py_PrintReferenceAddresses(PyInterpreterState *interp, FILE *fp)
{
fprintf(fp, "Remaining object addresses:\n");
if (!has_own_refchain(interp)) {
interp = _PyInterpreterState_Main();
}
_Py_hashtable_foreach(REFCHAIN(interp), _Py_PrintReferenceAddress, fp);
}

Expand DownExpand Up@@ -2700,9 +2685,6 @@ _Py_GetObjects(PyObject *self, PyObject *args)
.limit = limit,
};
PyInterpreterState *interp = _PyInterpreterState_GET();
if (!has_own_refchain(interp)) {
interp = _PyInterpreterState_Main();
}
int res = _Py_hashtable_foreach(REFCHAIN(interp), _Py_GetObject, &data);
if (res == _PY_GETOBJECTS_ERROR) {
Py_DECREF(list);
Expand Down
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