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https://github.com/python/cpython
synced 2024-09-05 08:17:45 +00:00
bpo-40428: Remove PyTuple_ClearFreeList() function (GH-19769)
Remove the following function from the C API: * PyAsyncGen_ClearFreeLists() * PyContext_ClearFreeList() * PyDict_ClearFreeList() * PyFloat_ClearFreeList() * PyFrame_ClearFreeList() * PyList_ClearFreeList() * PySet_ClearFreeList() * PyTuple_ClearFreeList() Make these functions private, move them to the internal C API and change their return type to void. Call explicitly PyGC_Collect() to free all free lists. Note: PySet_ClearFreeList() did nothing.
This commit is contained in:
parent
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ae00a5a885
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@ -672,6 +672,19 @@ Build and C API Changes
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the garbage collector respectively. (Contributed by Pablo Galindo in
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the garbage collector respectively. (Contributed by Pablo Galindo in
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:issue:`40241`.)
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:issue:`40241`.)
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* Remove the following functions from the C API. Call :c:func:`PyGC_Collect`
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explicitly to free all free lists.
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(Contributed by Victor Stinner in :issue:`40428`.)
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* ``PyAsyncGen_ClearFreeLists()``
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* ``PyContext_ClearFreeList()``
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* ``PyDict_ClearFreeList()``
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* ``PyFloat_ClearFreeList()``
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* ``PyFrame_ClearFreeList()``
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* ``PyList_ClearFreeList()``
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* ``PySet_ClearFreeList()``
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* ``PyTuple_ClearFreeList()``
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Deprecated
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Deprecated
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==========
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==========
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@ -73,9 +73,6 @@ PyAPI_FUNC(int) PyContextVar_Reset(PyObject *var, PyObject *token);
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PyAPI_FUNC(PyObject *) _PyContext_NewHamtForTests(void);
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PyAPI_FUNC(PyObject *) _PyContext_NewHamtForTests(void);
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PyAPI_FUNC(int) PyContext_ClearFreeList(void);
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#endif /* !Py_LIMITED_API */
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#endif /* !Py_LIMITED_API */
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#ifdef __cplusplus
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#ifdef __cplusplus
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@ -62,8 +62,6 @@ PyObject *_PyDict_Pop_KnownHash(PyObject *, PyObject *, Py_hash_t, PyObject *);
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PyObject *_PyDict_FromKeys(PyObject *, PyObject *, PyObject *);
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PyObject *_PyDict_FromKeys(PyObject *, PyObject *, PyObject *);
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#define _PyDict_HasSplitTable(d) ((d)->ma_values != NULL)
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#define _PyDict_HasSplitTable(d) ((d)->ma_values != NULL)
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PyAPI_FUNC(int) PyDict_ClearFreeList(void);
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/* Like PyDict_Merge, but override can be 0, 1 or 2. If override is 0,
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/* Like PyDict_Merge, but override can be 0, 1 or 2. If override is 0,
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the first occurrence of a key wins, if override is 1, the last occurrence
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the first occurrence of a key wins, if override is 1, the last occurrence
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of a key wins, if override is 2, a KeyError with conflicting key as
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of a key wins, if override is 2, a KeyError with conflicting key as
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@ -75,8 +75,6 @@ PyAPI_FUNC(void) PyFrame_LocalsToFast(PyFrameObject *, int);
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PyAPI_FUNC(int) PyFrame_FastToLocalsWithError(PyFrameObject *f);
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PyAPI_FUNC(int) PyFrame_FastToLocalsWithError(PyFrameObject *f);
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PyAPI_FUNC(void) PyFrame_FastToLocals(PyFrameObject *);
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PyAPI_FUNC(void) PyFrame_FastToLocals(PyFrameObject *);
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PyAPI_FUNC(int) PyFrame_ClearFreeList(void);
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PyAPI_FUNC(void) _PyFrame_DebugMallocStats(FILE *out);
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PyAPI_FUNC(void) _PyFrame_DebugMallocStats(FILE *out);
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#ifdef __cplusplus
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#ifdef __cplusplus
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@ -26,7 +26,6 @@ typedef struct {
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} PyListObject;
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} PyListObject;
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PyAPI_FUNC(PyObject *) _PyList_Extend(PyListObject *, PyObject *);
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PyAPI_FUNC(PyObject *) _PyList_Extend(PyListObject *, PyObject *);
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PyAPI_FUNC(int) PyList_ClearFreeList(void);
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PyAPI_FUNC(void) _PyList_DebugMallocStats(FILE *out);
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PyAPI_FUNC(void) _PyList_DebugMallocStats(FILE *out);
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/* Macro, trading safety for speed */
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/* Macro, trading safety for speed */
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@ -100,9 +100,6 @@ PyAPI_FUNC(double) _PyFloat_Unpack2(const unsigned char *p, int le);
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PyAPI_FUNC(double) _PyFloat_Unpack4(const unsigned char *p, int le);
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PyAPI_FUNC(double) _PyFloat_Unpack4(const unsigned char *p, int le);
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PyAPI_FUNC(double) _PyFloat_Unpack8(const unsigned char *p, int le);
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PyAPI_FUNC(double) _PyFloat_Unpack8(const unsigned char *p, int le);
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/* free list api */
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PyAPI_FUNC(int) PyFloat_ClearFreeList(void);
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PyAPI_FUNC(void) _PyFloat_DebugMallocStats(FILE* out);
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PyAPI_FUNC(void) _PyFloat_DebugMallocStats(FILE* out);
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/* Format the object based on the format_spec, as defined in PEP 3101
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/* Format the object based on the format_spec, as defined in PEP 3101
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@ -91,8 +91,6 @@ PyAPI_FUNC(PyObject *) PyAsyncGen_New(PyFrameObject *,
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PyObject *_PyAsyncGenValueWrapperNew(PyObject *);
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PyObject *_PyAsyncGenValueWrapperNew(PyObject *);
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int PyAsyncGen_ClearFreeLists(void);
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#endif
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#endif
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#undef _PyGenObject_HEAD
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#undef _PyGenObject_HEAD
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@ -163,6 +163,16 @@ struct _gc_runtime_state {
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PyAPI_FUNC(void) _PyGC_InitState(struct _gc_runtime_state *);
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PyAPI_FUNC(void) _PyGC_InitState(struct _gc_runtime_state *);
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// Functions to clear types free lists
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extern void _PyFrame_ClearFreeList(void);
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extern void _PyTuple_ClearFreeList(void);
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extern void _PyFloat_ClearFreeList(void);
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extern void _PyList_ClearFreeList(void);
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extern void _PyDict_ClearFreeList(void);
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extern void _PyAsyncGen_ClearFreeLists(void);
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extern void _PyContext_ClearFreeList(void);
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#ifdef __cplusplus
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#ifdef __cplusplus
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}
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}
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#endif
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#endif
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@ -70,7 +70,6 @@ PyAPI_DATA(PyObject *) _PySet_Dummy;
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PyAPI_FUNC(int) _PySet_NextEntry(PyObject *set, Py_ssize_t *pos, PyObject **key, Py_hash_t *hash);
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PyAPI_FUNC(int) _PySet_NextEntry(PyObject *set, Py_ssize_t *pos, PyObject **key, Py_hash_t *hash);
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PyAPI_FUNC(int) _PySet_Update(PyObject *set, PyObject *iterable);
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PyAPI_FUNC(int) _PySet_Update(PyObject *set, PyObject *iterable);
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PyAPI_FUNC(int) PySet_ClearFreeList(void);
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#endif /* Section excluded by Py_LIMITED_API */
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#endif /* Section excluded by Py_LIMITED_API */
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@ -34,8 +34,6 @@ PyAPI_FUNC(int) PyTuple_SetItem(PyObject *, Py_ssize_t, PyObject *);
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PyAPI_FUNC(PyObject *) PyTuple_GetSlice(PyObject *, Py_ssize_t, Py_ssize_t);
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PyAPI_FUNC(PyObject *) PyTuple_GetSlice(PyObject *, Py_ssize_t, Py_ssize_t);
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PyAPI_FUNC(PyObject *) PyTuple_Pack(Py_ssize_t, ...);
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PyAPI_FUNC(PyObject *) PyTuple_Pack(Py_ssize_t, ...);
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PyAPI_FUNC(int) PyTuple_ClearFreeList(void);
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#ifndef Py_LIMITED_API
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#ifndef Py_LIMITED_API
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# define Py_CPYTHON_TUPLEOBJECT_H
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# define Py_CPYTHON_TUPLEOBJECT_H
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# include "cpython/tupleobject.h"
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# include "cpython/tupleobject.h"
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@ -0,0 +1,11 @@
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Remove the following functions from the C API. Call :c:func:`PyGC_Collect`
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explicitly to free all free lists.
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* ``PyAsyncGen_ClearFreeLists()``
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* ``PyContext_ClearFreeList()``
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* ``PyDict_ClearFreeList()``
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* ``PyFloat_ClearFreeList()``
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* ``PyFrame_ClearFreeList()``
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* ``PyList_ClearFreeList()``
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* ``PySet_ClearFreeList()``
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* ``PyTuple_ClearFreeList()``
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@ -30,7 +30,6 @@
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#include "pycore_object.h"
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#include "pycore_object.h"
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#include "pycore_pyerrors.h"
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#include "pycore_pyerrors.h"
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#include "pycore_pystate.h" // _PyThreadState_GET()
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#include "pycore_pystate.h" // _PyThreadState_GET()
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#include "frameobject.h" // PyFrame_ClearFreeList
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#include "pydtrace.h"
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#include "pydtrace.h"
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#include "pytime.h" // _PyTime_GetMonotonicClock()
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#include "pytime.h" // _PyTime_GetMonotonicClock()
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@ -1026,14 +1025,13 @@ delete_garbage(PyThreadState *tstate, GCState *gcstate,
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static void
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static void
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clear_freelists(void)
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clear_freelists(void)
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{
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{
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(void)PyFrame_ClearFreeList();
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_PyFrame_ClearFreeList();
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(void)PyTuple_ClearFreeList();
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_PyTuple_ClearFreeList();
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(void)PyFloat_ClearFreeList();
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_PyFloat_ClearFreeList();
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(void)PyList_ClearFreeList();
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_PyList_ClearFreeList();
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(void)PyDict_ClearFreeList();
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_PyDict_ClearFreeList();
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(void)PySet_ClearFreeList();
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_PyAsyncGen_ClearFreeLists();
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(void)PyAsyncGen_ClearFreeLists();
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_PyContext_ClearFreeList();
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(void)PyContext_ClearFreeList();
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}
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}
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// Show stats for objects in each generations
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// Show stats for objects in each generations
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@ -257,20 +257,17 @@ static int numfreekeys = 0;
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#include "clinic/dictobject.c.h"
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#include "clinic/dictobject.c.h"
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int
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void
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PyDict_ClearFreeList(void)
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_PyDict_ClearFreeList(void)
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{
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{
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PyDictObject *op;
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int ret = numfree + numfreekeys;
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while (numfree) {
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while (numfree) {
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op = free_list[--numfree];
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PyDictObject *op = free_list[--numfree];
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assert(PyDict_CheckExact(op));
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assert(PyDict_CheckExact(op));
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PyObject_GC_Del(op);
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PyObject_GC_Del(op);
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}
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}
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while (numfreekeys) {
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while (numfreekeys) {
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PyObject_FREE(keys_free_list[--numfreekeys]);
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PyObject_FREE(keys_free_list[--numfreekeys]);
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}
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}
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return ret;
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}
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}
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/* Print summary info about the state of the optimized allocator */
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/* Print summary info about the state of the optimized allocator */
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@ -285,7 +282,7 @@ _PyDict_DebugMallocStats(FILE *out)
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void
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void
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_PyDict_Fini(void)
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_PyDict_Fini(void)
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{
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{
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PyDict_ClearFreeList();
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_PyDict_ClearFreeList();
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}
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}
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#define DK_SIZE(dk) ((dk)->dk_size)
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#define DK_SIZE(dk) ((dk)->dk_size)
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@ -1998,25 +1998,22 @@ _PyFloat_Init(void)
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return 1;
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return 1;
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}
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}
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int
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void
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PyFloat_ClearFreeList(void)
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_PyFloat_ClearFreeList(void)
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{
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{
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PyFloatObject *f = free_list, *next;
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PyFloatObject *f = free_list, *next;
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int i = numfree;
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for (; f; f = next) {
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while (f) {
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next = (PyFloatObject*) Py_TYPE(f);
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next = (PyFloatObject*) Py_TYPE(f);
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PyObject_FREE(f);
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PyObject_FREE(f);
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f = next;
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}
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}
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free_list = NULL;
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free_list = NULL;
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numfree = 0;
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numfree = 0;
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return i;
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}
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}
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void
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void
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_PyFloat_Fini(void)
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_PyFloat_Fini(void)
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{
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{
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(void)PyFloat_ClearFreeList();
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_PyFloat_ClearFreeList();
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}
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}
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/* Print summary info about the state of the optimized allocator */
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/* Print summary info about the state of the optimized allocator */
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@ -1200,11 +1200,9 @@ PyFrame_LocalsToFast(PyFrameObject *f, int clear)
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}
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}
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/* Clear out the free list */
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/* Clear out the free list */
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int
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void
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PyFrame_ClearFreeList(void)
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_PyFrame_ClearFreeList(void)
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{
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{
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int freelist_size = numfree;
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while (free_list != NULL) {
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while (free_list != NULL) {
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PyFrameObject *f = free_list;
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PyFrameObject *f = free_list;
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free_list = free_list->f_back;
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free_list = free_list->f_back;
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@ -1212,13 +1210,12 @@ PyFrame_ClearFreeList(void)
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--numfree;
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--numfree;
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}
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}
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assert(numfree == 0);
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assert(numfree == 0);
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return freelist_size;
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}
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}
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void
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void
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_PyFrame_Fini(void)
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_PyFrame_Fini(void)
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{
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{
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(void)PyFrame_ClearFreeList();
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_PyFrame_ClearFreeList();
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}
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}
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/* Print summary info about the state of the optimized allocator */
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/* Print summary info about the state of the optimized allocator */
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@ -1429,11 +1429,9 @@ PyAsyncGen_New(PyFrameObject *f, PyObject *name, PyObject *qualname)
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}
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}
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int
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void
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PyAsyncGen_ClearFreeLists(void)
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_PyAsyncGen_ClearFreeLists(void)
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{
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{
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int ret = ag_value_freelist_free + ag_asend_freelist_free;
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while (ag_value_freelist_free) {
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while (ag_value_freelist_free) {
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_PyAsyncGenWrappedValue *o;
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_PyAsyncGenWrappedValue *o;
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o = ag_value_freelist[--ag_value_freelist_free];
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o = ag_value_freelist[--ag_value_freelist_free];
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assert(Py_IS_TYPE(o, &_PyAsyncGenASend_Type));
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assert(Py_IS_TYPE(o, &_PyAsyncGenASend_Type));
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PyObject_GC_Del(o);
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PyObject_GC_Del(o);
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}
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}
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return ret;
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}
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}
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void
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void
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_PyAsyncGen_Fini(void)
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_PyAsyncGen_Fini(void)
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{
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{
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PyAsyncGen_ClearFreeLists();
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_PyAsyncGen_ClearFreeLists();
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}
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}
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@ -103,23 +103,20 @@ list_preallocate_exact(PyListObject *self, Py_ssize_t size)
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static PyListObject *free_list[PyList_MAXFREELIST];
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static PyListObject *free_list[PyList_MAXFREELIST];
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static int numfree = 0;
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static int numfree = 0;
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int
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void
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PyList_ClearFreeList(void)
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_PyList_ClearFreeList(void)
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{
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{
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PyListObject *op;
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int ret = numfree;
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while (numfree) {
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while (numfree) {
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op = free_list[--numfree];
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PyListObject *op = free_list[--numfree];
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assert(PyList_CheckExact(op));
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assert(PyList_CheckExact(op));
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PyObject_GC_Del(op);
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PyObject_GC_Del(op);
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}
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}
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return ret;
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}
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}
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void
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void
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_PyList_Fini(void)
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_PyList_Fini(void)
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{
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{
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PyList_ClearFreeList();
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_PyList_ClearFreeList();
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}
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}
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/* Print summary info about the state of the optimized allocator */
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/* Print summary info about the state of the optimized allocator */
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@ -2384,12 +2384,6 @@ PySet_Add(PyObject *anyset, PyObject *key)
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return set_add_key((PySetObject *)anyset, key);
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return set_add_key((PySetObject *)anyset, key);
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}
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}
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int
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PySet_ClearFreeList(void)
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{
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return 0;
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}
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void
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void
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_PySet_Fini(void)
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_PySet_Fini(void)
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{
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{
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@ -955,26 +955,22 @@ _PyTuple_Resize(PyObject **pv, Py_ssize_t newsize)
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return 0;
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return 0;
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}
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}
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int
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void
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PyTuple_ClearFreeList(void)
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_PyTuple_ClearFreeList(void)
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{
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{
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int freelist_size = 0;
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|
||||||
#if PyTuple_MAXSAVESIZE > 0
|
#if PyTuple_MAXSAVESIZE > 0
|
||||||
int i;
|
for (Py_ssize_t i = 1; i < PyTuple_MAXSAVESIZE; i++) {
|
||||||
for (i = 1; i < PyTuple_MAXSAVESIZE; i++) {
|
PyTupleObject *p = free_list[i];
|
||||||
PyTupleObject *p, *q;
|
|
||||||
p = free_list[i];
|
|
||||||
freelist_size += numfree[i];
|
|
||||||
free_list[i] = NULL;
|
free_list[i] = NULL;
|
||||||
numfree[i] = 0;
|
numfree[i] = 0;
|
||||||
while (p) {
|
while (p) {
|
||||||
q = p;
|
PyTupleObject *q = p;
|
||||||
p = (PyTupleObject *)(p->ob_item[0]);
|
p = (PyTupleObject *)(p->ob_item[0]);
|
||||||
PyObject_GC_Del(q);
|
PyObject_GC_Del(q);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
// the empty tuple singleton is only cleared by _PyTuple_Fini()
|
||||||
#endif
|
#endif
|
||||||
return freelist_size;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
void
|
void
|
||||||
|
@ -985,7 +981,7 @@ _PyTuple_Fini(void)
|
||||||
* rely on the fact that an empty tuple is a singleton. */
|
* rely on the fact that an empty tuple is a singleton. */
|
||||||
Py_CLEAR(free_list[0]);
|
Py_CLEAR(free_list[0]);
|
||||||
|
|
||||||
(void)PyTuple_ClearFreeList();
|
_PyTuple_ClearFreeList();
|
||||||
#endif
|
#endif
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
@ -35,7 +35,6 @@ EXPORTS
|
||||||
PyBytes_Size=python39.PyBytes_Size
|
PyBytes_Size=python39.PyBytes_Size
|
||||||
PyBytes_Type=python39.PyBytes_Type DATA
|
PyBytes_Type=python39.PyBytes_Type DATA
|
||||||
PyCFunction_Call=python39.PyCFunction_Call
|
PyCFunction_Call=python39.PyCFunction_Call
|
||||||
PyCFunction_ClearFreeList=python39.PyCFunction_ClearFreeList
|
|
||||||
PyCFunction_GetFlags=python39.PyCFunction_GetFlags
|
PyCFunction_GetFlags=python39.PyCFunction_GetFlags
|
||||||
PyCFunction_GetFunction=python39.PyCFunction_GetFunction
|
PyCFunction_GetFunction=python39.PyCFunction_GetFunction
|
||||||
PyCFunction_GetSelf=python39.PyCFunction_GetSelf
|
PyCFunction_GetSelf=python39.PyCFunction_GetSelf
|
||||||
|
@ -584,7 +583,6 @@ EXPORTS
|
||||||
PyTraceBack_Print=python39.PyTraceBack_Print
|
PyTraceBack_Print=python39.PyTraceBack_Print
|
||||||
PyTraceBack_Type=python39.PyTraceBack_Type DATA
|
PyTraceBack_Type=python39.PyTraceBack_Type DATA
|
||||||
PyTupleIter_Type=python39.PyTupleIter_Type DATA
|
PyTupleIter_Type=python39.PyTupleIter_Type DATA
|
||||||
PyTuple_ClearFreeList=python39.PyTuple_ClearFreeList
|
|
||||||
PyTuple_GetItem=python39.PyTuple_GetItem
|
PyTuple_GetItem=python39.PyTuple_GetItem
|
||||||
PyTuple_GetSlice=python39.PyTuple_GetSlice
|
PyTuple_GetSlice=python39.PyTuple_GetSlice
|
||||||
PyTuple_New=python39.PyTuple_New
|
PyTuple_New=python39.PyTuple_New
|
||||||
|
|
|
@ -1270,18 +1270,15 @@ get_token_missing(void)
|
||||||
///////////////////////////
|
///////////////////////////
|
||||||
|
|
||||||
|
|
||||||
int
|
void
|
||||||
PyContext_ClearFreeList(void)
|
_PyContext_ClearFreeList(void)
|
||||||
{
|
{
|
||||||
int size = ctx_freelist_len;
|
for (; ctx_freelist_len; ctx_freelist_len--) {
|
||||||
while (ctx_freelist_len) {
|
|
||||||
PyContext *ctx = ctx_freelist;
|
PyContext *ctx = ctx_freelist;
|
||||||
ctx_freelist = (PyContext *)ctx->ctx_weakreflist;
|
ctx_freelist = (PyContext *)ctx->ctx_weakreflist;
|
||||||
ctx->ctx_weakreflist = NULL;
|
ctx->ctx_weakreflist = NULL;
|
||||||
PyObject_GC_Del(ctx);
|
PyObject_GC_Del(ctx);
|
||||||
ctx_freelist_len--;
|
|
||||||
}
|
}
|
||||||
return size;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
@ -1289,8 +1286,8 @@ void
|
||||||
_PyContext_Fini(void)
|
_PyContext_Fini(void)
|
||||||
{
|
{
|
||||||
Py_CLEAR(_token_missing);
|
Py_CLEAR(_token_missing);
|
||||||
(void)PyContext_ClearFreeList();
|
_PyContext_ClearFreeList();
|
||||||
(void)_PyHamt_Fini();
|
_PyHamt_Fini();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue