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bpo-35053: Add Include/tracemalloc.h (GH-10091)

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* Modify object.h to ensure that pymem.h is included,
  to get _Py_tracemalloc_config variable.
* Move _PyTraceMalloc_XXX() functions to tracemalloc.h,
  they need PyObject type. Break circular dependency between pymem.h
  and object.h.
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Victor Stinner 2018-10-25 15:54:13 +02:00 • committed by GitHub
parent 9e00e80e21
commit 6279c1c500
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7 changed files with 54 additions and 37 deletions
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40
Include/pymem.h
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@ -24,42 +24,6 @@ PyAPI_FUNC(int) _PyMem_SetupAllocators(const char *opt);
/* Try to get the allocators name set by _PyMem_SetupAllocators(). */
PyAPI_FUNC(const char*) _PyMem_GetAllocatorsName(void);
/* Track an allocated memory block in the tracemalloc module.
Return 0 on success, return -1 on error (failed to allocate memory to store
the trace).
Return -2 if tracemalloc is disabled.
If memory block is already tracked, update the existing trace. */
PyAPI_FUNC(int) PyTraceMalloc_Track(
unsigned int domain,
uintptr_t ptr,
size_t size);
/* Update the Python traceback of an object.
This function can be used when a memory block is reused from a free list. */
PyAPI_FUNC(int) _PyTraceMalloc_NewReference(PyObject *op);
/* Untrack an allocated memory block in the tracemalloc module.
Do nothing if the block was not tracked.
Return -2 if tracemalloc is disabled, otherwise return 0. */
PyAPI_FUNC(int) PyTraceMalloc_Untrack(
unsigned int domain,
uintptr_t ptr);
/* Get the traceback where a memory block was allocated.
Return a tuple of (filename: str, lineno: int) tuples.
Return None if the tracemalloc module is disabled or if the memory block
is not tracked by tracemalloc.
Raise an exception and return NULL on error. */
PyAPI_FUNC(PyObject*) _PyTraceMalloc_GetTraceback(
unsigned int domain,
uintptr_t ptr);
PyAPI_FUNC(int) _PyMem_IsFreed(void *ptr, size_t size);
#endif /* !defined(Py_LIMITED_API) */
@ -246,7 +210,9 @@ PyAPI_FUNC(int) _PyMem_SetDefaultAllocator(
/* bpo-35053: expose _Py_tracemalloc_config for performance:
_Py_NewReference() needs an efficient check to test if tracemalloc is
tracing. */
tracing.
It has to be defined in pymem.h, before object.h is included. */
struct _PyTraceMalloc_Config {
/* Module initialized?
Variable protected by the GIL */