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Revert changeset 6661a8154eb3: Issue #3329: Add new APIs to customize memory allocators

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The new API require more discussion.
This commit is contained in:
Victor Stinner 2013-06-15 03:37:01 +02:00
parent 05a647deed
commit 36f01ad9ac
6 changed files with 211 additions and 771 deletions
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71
Include/objimpl.h
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@ -94,9 +94,9 @@ PyObject_{New, NewVar, Del}.
the object gets initialized via PyObject_{Init, InitVar} after obtaining
the raw memory.
*/
PyAPI_FUNC(void *) PyObject_Malloc(size_t size);
PyAPI_FUNC(void *) PyObject_Realloc(void *ptr, size_t new_size);
PyAPI_FUNC(void) PyObject_Free(void *ptr);
PyAPI_FUNC(void *) PyObject_Malloc(size_t);
PyAPI_FUNC(void *) PyObject_Realloc(void *, size_t);
PyAPI_FUNC(void) PyObject_Free(void *);
/* This function returns the number of allocated memory blocks, regardless of size */
PyAPI_FUNC(Py_ssize_t) _Py_GetAllocatedBlocks(void);
@ -106,46 +106,41 @@ PyAPI_FUNC(Py_ssize_t) _Py_GetAllocatedBlocks(void);
#ifndef Py_LIMITED_API
PyAPI_FUNC(void) _PyObject_DebugMallocStats(FILE *out);
#endif /* #ifndef Py_LIMITED_API */
#endif
#ifdef PYMALLOC_DEBUG /* WITH_PYMALLOC && PYMALLOC_DEBUG */
PyAPI_FUNC(void *) _PyObject_DebugMalloc(size_t nbytes);
PyAPI_FUNC(void *) _PyObject_DebugRealloc(void *p, size_t nbytes);
PyAPI_FUNC(void) _PyObject_DebugFree(void *p);
PyAPI_FUNC(void) _PyObject_DebugDumpAddress(const void *p);
PyAPI_FUNC(void) _PyObject_DebugCheckAddress(const void *p);
PyAPI_FUNC(void *) _PyObject_DebugMallocApi(char api, size_t nbytes);
PyAPI_FUNC(void *) _PyObject_DebugReallocApi(char api, void *p, size_t nbytes);
PyAPI_FUNC(void) _PyObject_DebugFreeApi(char api, void *p);
PyAPI_FUNC(void) _PyObject_DebugCheckAddressApi(char api, const void *p);
PyAPI_FUNC(void *) _PyMem_DebugMalloc(size_t nbytes);
PyAPI_FUNC(void *) _PyMem_DebugRealloc(void *p, size_t nbytes);
PyAPI_FUNC(void) _PyMem_DebugFree(void *p);
#define PyObject_MALLOC _PyObject_DebugMalloc
#define PyObject_Malloc _PyObject_DebugMalloc
#define PyObject_REALLOC _PyObject_DebugRealloc
#define PyObject_Realloc _PyObject_DebugRealloc
#define PyObject_FREE _PyObject_DebugFree
#define PyObject_Free _PyObject_DebugFree
/* Macros */
#else /* WITH_PYMALLOC && ! PYMALLOC_DEBUG */
#define PyObject_MALLOC PyObject_Malloc
#define PyObject_REALLOC PyObject_Realloc
#define PyObject_FREE PyObject_Free
#endif
#else /* ! WITH_PYMALLOC */
#define PyObject_MALLOC PyMem_MALLOC
#define PyObject_REALLOC PyMem_REALLOC
#define PyObject_FREE PyMem_FREE
#endif /* WITH_PYMALLOC */
#define PyObject_Del PyObject_Free
#define PyObject_DEL PyObject_Free
/* Get internal functions of PyObject_Malloc(), PyObject_Realloc() and
PyObject_Free(). *ctx_p is an arbitrary user value. */
PyAPI_FUNC(void) PyObject_GetAllocators(PyMemAllocators *allocators);
/* Set internal functions of PyObject_Malloc(), PyObject_Realloc() and PyObject_Free().
ctx is an arbitrary user value.
malloc(ctx, 0) and realloc(ctx, ptr, 0) must not return NULL: it would be
treated as an error.
PyMem_SetupDebugHooks() should be called to reinstall debug hooks if new
functions do no call original functions anymore. */
PyAPI_FUNC(void) PyObject_SetAllocators(PyMemAllocators *allocators);
/* Get internal functions allocating and deallocating arenas for
PyObject_Malloc(), PyObject_Realloc() and PyObject_Free().
*ctx_p is an arbitrary user value. */
PyAPI_FUNC(void) _PyObject_GetArenaAllocators(
void **ctx_p,
void* (**malloc_p) (void *ctx, size_t size),
void (**free_p) (void *ctx, void *ptr, size_t size)
);
/* Get internal functions allocating and deallocating arenas for
PyObject_Malloc(), PyObject_Realloc() and PyObject_Free().
ctx is an arbitrary user value. */
PyAPI_FUNC(void) _PyObject_SetArenaAllocators(
void *ctx,
void* (*malloc) (void *ctx, size_t size),
void (*free) (void *ctx, void *ptr, size_t size)
);
#define PyObject_DEL PyObject_FREE
/*
* Generic object allocator interface