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gh-117439: Make refleak checking thread-safe without the GIL (#117469)

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This keeps track of the per-thread total reference count operations in
PyThreadState in the free-threaded builds. The count is merged into the
interpreter's total when the thread exits.
This commit is contained in:
Sam Gross 2024-04-08 12:11:36 -04:00 • committed by GitHub
parent 2067da2579
commit 1a6594f661
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GPG key ID: B5690EEEBB952194
9 changed files with 62 additions and 44 deletions
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10
Objects/dictobject.c
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@ -445,7 +445,7 @@ dictkeys_incref(PyDictKeysObject *dk)
return;
}
#ifdef Py_REF_DEBUG
_Py_IncRefTotal(_PyInterpreterState_GET());
_Py_IncRefTotal(_PyThreadState_GET());
#endif
INCREF_KEYS(dk);
}
@ -458,7 +458,7 @@ dictkeys_decref(PyInterpreterState *interp, PyDictKeysObject *dk, bool use_qsbr)
}
assert(dk->dk_refcnt > 0);
#ifdef Py_REF_DEBUG
_Py_DecRefTotal(_PyInterpreterState_GET());
_Py_DecRefTotal(_PyThreadState_GET());
#endif
if (DECREF_KEYS(dk) == 1) {
if (DK_IS_UNICODE(dk)) {
@ -790,7 +790,7 @@ new_keys_object(PyInterpreterState *interp, uint8_t log2_size, bool unicode)
}
}
#ifdef Py_REF_DEBUG
_Py_IncRefTotal(_PyInterpreterState_GET());
_Py_IncRefTotal(_PyThreadState_GET());
#endif
dk->dk_refcnt = 1;
dk->dk_log2_size = log2_size;
@ -978,7 +978,7 @@ clone_combined_dict_keys(PyDictObject *orig)
we have it now; calling dictkeys_incref would be an error as
keys->dk_refcnt is already set to 1 (after memcpy). */
#ifdef Py_REF_DEBUG
_Py_IncRefTotal(_PyInterpreterState_GET());
_Py_IncRefTotal(_PyThreadState_GET());
#endif
return keys;
}
@ -2021,7 +2021,7 @@ dictresize(PyInterpreterState *interp, PyDictObject *mp,
if (oldkeys != Py_EMPTY_KEYS) {
#ifdef Py_REF_DEBUG
_Py_DecRefTotal(_PyInterpreterState_GET());
_Py_DecRefTotal(_PyThreadState_GET());
#endif
assert(oldkeys->dk_kind != DICT_KEYS_SPLIT);
assert(oldkeys->dk_refcnt == 1);