| /* An arena-like memory interface for the compiler. |
| */ |
| |
| #ifndef Py_PYARENA_H |
| #define Py_PYARENA_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| typedef struct _arena PyArena; |
| |
| /* PyArena_New() and PyArena_Free() create a new arena and free it, |
| respectively. Once an arena has been created, it can be used |
| to allocate memory. Once it is freed, all the memory it allocated |
| is freed and none of its pointers are valid. |
| |
| PyArena_New() returns an arena pointer. On error, it |
| returns a negative number and sets an exception. |
| */ |
| PyAPI_FUNC(PyArena *) PyArena_New(void); |
| PyAPI_FUNC(void) PyArena_Free(PyArena *); |
| |
| PyAPI_FUNC(void *) PyArena_Malloc(PyArena *, size_t); |
| |
| /* The next two routines aren't proper arena allocation routines. |
| They exist to experiment with the arena API without making wholesale |
| changes to the implementation. |
| |
| The two functions register pointers with the arena id. These |
| are externally allocated pointers that will be freed when the |
| arena is freed. One takes a pointer allocated with malloc. The |
| other takes a PyObject that is DECREFed when the arena is freed. |
| */ |
| PyAPI_FUNC(int) PyArena_AddMallocPointer(PyArena *, void *); |
| PyAPI_FUNC(int) PyArena_AddPyObject(PyArena *, PyObject *); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* !Py_PYARENA_H */ |