133     PyArena* arena = (PyArena *)malloc(sizeof(PyArena));  in PyArena_New()  local
134     if (!arena)  in PyArena_New()
137     arena->a_head = block_new(DEFAULT_BLOCK_SIZE);  in PyArena_New()
138     arena->a_cur = arena->a_head;  in PyArena_New()
139     if (!arena->a_head) {  in PyArena_New()
140         free((void *)arena);  in PyArena_New()
143     arena->a_objects = PyList_New(0);  in PyArena_New()
144     if (!arena->a_objects) {  in PyArena_New()
145         block_free(arena->a_head);  in PyArena_New()
146         free((void *)arena);  in PyArena_New()
150     arena->total_allocs = 0;  in PyArena_New()
151     arena->total_size = 0;  in PyArena_New()
152     arena->total_blocks = 1;  in PyArena_New()
153     arena->total_block_size = DEFAULT_BLOCK_SIZE;  in PyArena_New()
154     arena->total_big_blocks = 0;  in PyArena_New()
156     return arena;  in PyArena_New()
160 PyArena_Free(PyArena *arena)  in PyArena_Free()  argument
162     assert(arena);  in PyArena_Free()
172     block_free(arena->a_head);  in PyArena_Free()
178     Py_DECREF(arena->a_objects);  in PyArena_Free()
179     free(arena);  in PyArena_Free()
183 PyArena_Malloc(PyArena *arena, size_t size)  in PyArena_Malloc()  argument
185     void *p = block_alloc(arena->a_cur, size);  in PyArena_Malloc()
189     arena->total_allocs++;  in PyArena_Malloc()
190     arena->total_size += size;  in PyArena_Malloc()
193     if (arena->a_cur->ab_next) {  in PyArena_Malloc()
194         arena->a_cur = arena->a_cur->ab_next;  in PyArena_Malloc()
196         arena->total_blocks++;  in PyArena_Malloc()
197         arena->total_block_size += arena->a_cur->ab_size;  in PyArena_Malloc()
198         if (arena->a_cur->ab_size > DEFAULT_BLOCK_SIZE)  in PyArena_Malloc()
199             ++arena->total_big_blocks;  in PyArena_Malloc()
206 PyArena_AddPyObject(PyArena *arena, PyObject *obj)  in PyArena_AddPyObject()  argument
208     int r = PyList_Append(arena->a_objects, obj);  in PyArena_AddPyObject()