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/** deallocator.c
*
* Pattern described in http://blog.enthought.com/?p=62
*
*/
#include "deallocator.h"
void attach_deallocator(PyObject *array, void * mem)
{
PyObject *newobj ;
newobj = _PyObject_New(&_MyDeallocType) ;
((struct _MyDeallocStruct *)newobj)->memory = mem ;
PyArray_BASE(array) = newobj ;
if (DEBUG_MEM_ALLOC == 1)
{
printf("ALLOCATED %p\n", mem) ;
}
} ;
static void _mydealloc_dealloc(PyObject *self)
{
if (DEBUG_MEM_ALLOC == 1)
{
printf("FREEING %p\n", ((struct _MyDeallocStruct*) self)->memory) ;
}
free(((struct _MyDeallocStruct*) self)->memory);
self->ob_type->tp_free((PyObject *) self);
} ;
PyTypeObject _MyDeallocType =
{
PyObject_HEAD_INIT(NULL)
0, /*ob_size*/
"mydeallocator", /*tp_name*/
sizeof(_MyDeallocObject), /*tp_basicsize*/
0, /*tp_itemsize*/
_mydealloc_dealloc, /*tp_dealloc*/
0, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_compare*/
0, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
0, /*tp_hash */
0, /*tp_call*/
0, /*tp_str*/
0, /*tp_getattro*/
0, /*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT, /*tp_flags*/
"Internal deallocator object", /* tp_doc */
} ;
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