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cpython/Include/tracemalloc.h

73 lines
2.1 KiB
C

#ifndef Py_TRACEMALLOC_H
#define Py_TRACEMALLOC_H
#ifndef Py_LIMITED_API
/* 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);
/* 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);
/* Return non-zero if tracemalloc is tracing */
PyAPI_FUNC(int) _PyTraceMalloc_IsTracing(void);
/* Clear the tracemalloc traces */
PyAPI_FUNC(void) _PyTraceMalloc_ClearTraces(void);
/* Clear the tracemalloc traces */
PyAPI_FUNC(PyObject *) _PyTraceMalloc_GetTraces(void);
/* Clear tracemalloc traceback for an object */
PyAPI_FUNC(PyObject *) _PyTraceMalloc_GetObjectTraceback(PyObject *obj);
/* Initialize tracemalloc */
PyAPI_FUNC(int) _PyTraceMalloc_Init(void);
/* Start tracemalloc */
PyAPI_FUNC(int) _PyTraceMalloc_Start(int max_nframe);
/* Stop tracemalloc */
PyAPI_FUNC(void) _PyTraceMalloc_Stop(void);
/* Get the tracemalloc traceback limit */
PyAPI_FUNC(int) _PyTraceMalloc_GetTracebackLimit(void);
/* Get the memory usage of tracemalloc in bytes */
PyAPI_FUNC(size_t) _PyTraceMalloc_GetMemory(void);
/* Get the current size and peak size of traced memory blocks as a 2-tuple */
PyAPI_FUNC(PyObject *) _PyTraceMalloc_GetTracedMemory(void);
/* Set the peak size of traced memory blocks to the current size */
PyAPI_FUNC(void) _PyTraceMalloc_ResetPeak(void);
#endif
#endif /* !Py_TRACEMALLOC_H */