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bpo-40428: Remove PyTuple_ClearFreeList() function (GH-19769)

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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:
Victor Stinner 2020-04-29 02:29:20 +02:00 • committed by GitHub
parent cc0dc7e484
commit ae00a5a885
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GPG key ID: 4AEE18F83AFDEB23
21 changed files with 71 additions and 86 deletions
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3
Include/context.h
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@ -73,9 +73,6 @@ PyAPI_FUNC(int) PyContextVar_Reset(PyObject *var, PyObject *token);
PyAPI_FUNC(PyObject *) _PyContext_NewHamtForTests(void);
PyAPI_FUNC(int) PyContext_ClearFreeList(void);
#endif /* !Py_LIMITED_API */
#ifdef __cplusplus

2
Include/cpython/dictobject.h
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@ -62,8 +62,6 @@ PyObject *_PyDict_Pop_KnownHash(PyObject *, PyObject *, Py_hash_t, PyObject *);
PyObject *_PyDict_FromKeys(PyObject *, PyObject *, PyObject *);
#define _PyDict_HasSplitTable(d) ((d)->ma_values != NULL)
PyAPI_FUNC(int) PyDict_ClearFreeList(void);
/* Like PyDict_Merge, but override can be 0, 1 or 2. If override is 0,
the first occurrence of a key wins, if override is 1, the last occurrence
of a key wins, if override is 2, a KeyError with conflicting key as

2
Include/cpython/frameobject.h
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@ -75,8 +75,6 @@ PyAPI_FUNC(void) PyFrame_LocalsToFast(PyFrameObject *, int);
PyAPI_FUNC(int) PyFrame_FastToLocalsWithError(PyFrameObject *f);
PyAPI_FUNC(void) PyFrame_FastToLocals(PyFrameObject *);
PyAPI_FUNC(int) PyFrame_ClearFreeList(void);
PyAPI_FUNC(void) _PyFrame_DebugMallocStats(FILE *out);
#ifdef __cplusplus

1
Include/cpython/listobject.h
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@ -26,7 +26,6 @@ typedef struct {
} PyListObject;
PyAPI_FUNC(PyObject *) _PyList_Extend(PyListObject *, PyObject *);
PyAPI_FUNC(int) PyList_ClearFreeList(void);
PyAPI_FUNC(void) _PyList_DebugMallocStats(FILE *out);
/* Macro, trading safety for speed */

3
Include/floatobject.h
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@ -100,9 +100,6 @@ PyAPI_FUNC(double) _PyFloat_Unpack2(const unsigned char *p, int le);
PyAPI_FUNC(double) _PyFloat_Unpack4(const unsigned char *p, int le);
PyAPI_FUNC(double) _PyFloat_Unpack8(const unsigned char *p, int le);
/* free list api */
PyAPI_FUNC(int) PyFloat_ClearFreeList(void);
PyAPI_FUNC(void) _PyFloat_DebugMallocStats(FILE* out);
/* Format the object based on the format_spec, as defined in PEP 3101

2
Include/genobject.h
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@ -91,8 +91,6 @@ PyAPI_FUNC(PyObject *) PyAsyncGen_New(PyFrameObject *,
PyObject *_PyAsyncGenValueWrapperNew(PyObject *);
int PyAsyncGen_ClearFreeLists(void);
#endif
#undef _PyGenObject_HEAD

10
Include/internal/pycore_gc.h
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@ -163,6 +163,16 @@ struct _gc_runtime_state {
PyAPI_FUNC(void) _PyGC_InitState(struct _gc_runtime_state *);
// Functions to clear types free lists
extern void _PyFrame_ClearFreeList(void);
extern void _PyTuple_ClearFreeList(void);
extern void _PyFloat_ClearFreeList(void);
extern void _PyList_ClearFreeList(void);
extern void _PyDict_ClearFreeList(void);
extern void _PyAsyncGen_ClearFreeLists(void);
extern void _PyContext_ClearFreeList(void);
#ifdef __cplusplus
}
#endif

1
Include/setobject.h
View file

@ -70,7 +70,6 @@ PyAPI_DATA(PyObject *) _PySet_Dummy;
PyAPI_FUNC(int) _PySet_NextEntry(PyObject *set, Py_ssize_t *pos, PyObject **key, Py_hash_t *hash);
PyAPI_FUNC(int) _PySet_Update(PyObject *set, PyObject *iterable);
PyAPI_FUNC(int) PySet_ClearFreeList(void);
#endif /* Section excluded by Py_LIMITED_API */

2
Include/tupleobject.h
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@ -34,8 +34,6 @@ PyAPI_FUNC(int) PyTuple_SetItem(PyObject *, Py_ssize_t, PyObject *);
PyAPI_FUNC(PyObject *) PyTuple_GetSlice(PyObject *, Py_ssize_t, Py_ssize_t);
PyAPI_FUNC(PyObject *) PyTuple_Pack(Py_ssize_t, ...);
PyAPI_FUNC(int) PyTuple_ClearFreeList(void);
#ifndef Py_LIMITED_API
# define Py_CPYTHON_TUPLEOBJECT_H
# include "cpython/tupleobject.h"