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bpo-40521: Make dict free lists per-interpreter (GH-20645)

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Each interpreter now has its own dict free list:

* Move dict free lists into PyInterpreterState.
* Move PyDict_MAXFREELIST define to pycore_interp.h
* Add _Py_dict_state structure.
* Add tstate parameter to _PyDict_ClearFreeList() and _PyDict_Fini().
* In debug mode, ensure that the dict free lists are not used after
  _PyDict_Fini() is called.
* Remove "#ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS".
This commit is contained in:
Victor Stinner
2020-06-23 11:33:18 +02:00
committed by GitHub
parent 26a1ad1c24
commit b4e85cadfb
7 changed files with 102 additions and 85 deletions
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Include/internal/pycore_pylifecycle.h
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@@ -59,7 +59,7 @@ extern PyStatus _PyGC_Init(PyThreadState *tstate);
/* Various internal finalizers */
extern void _PyFrame_Fini(PyThreadState *tstate);
extern void _PyDict_Fini(void);
extern void _PyDict_Fini(PyThreadState *tstate);
extern void _PyTuple_Fini(PyThreadState *tstate);
extern void _PyList_Fini(PyThreadState *tstate);
extern void _PySet_Fini(void);