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Add PYTHONMALLOC env var

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Issue #26516:

* Add PYTHONMALLOC environment variable to set the Python memory
  allocators and/or install debug hooks.
* PyMem_SetupDebugHooks() can now also be used on Python compiled in release
  mode.
* The PYTHONMALLOCSTATS environment variable can now also be used on Python
  compiled in release mode. It now has no effect if set to an empty string.
* In debug mode, debug hooks are now also installed on Python memory allocators
  when Python is configured without pymalloc.
This commit is contained in:
Victor Stinner 2016-03-14 12:04:26 +01:00
parent c877658d1f
commit 34be807ca4
13 changed files with 383 additions and 90 deletions
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9
Include/pymem.h
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@ -16,8 +16,17 @@ PyAPI_FUNC(void *) PyMem_RawMalloc(size_t size);
PyAPI_FUNC(void *) PyMem_RawCalloc(size_t nelem, size_t elsize);
PyAPI_FUNC(void *) PyMem_RawRealloc(void *ptr, size_t new_size);
PyAPI_FUNC(void) PyMem_RawFree(void *ptr);
/* Configure the Python memory allocators. Pass NULL to use default
allocators. */
PyAPI_FUNC(int) _PyMem_SetupAllocators(const char *opt);
#ifdef WITH_PYMALLOC
PyAPI_FUNC(int) _PyMem_PymallocEnabled(void);
#endif
#endif /* !Py_LIMITED_API */
/* BEWARE: