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Diagnostics is more GC friendly

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This commit is contained in:
Daniele Varrazzo 2013-03-18 01:58:27 +00:00
parent 678f0dc949
commit 1cf9825035
1 changed files with 32 additions and 35 deletions
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67
psycopg/diagnostics_type.c
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@ -120,46 +120,43 @@ static struct PyGetSetDef diagnosticsObject_getsets[] = {
/* initialization and finalization methods */
static int
diagnostics_setup(diagnosticsObject *self, PyObject *err)
{
self->err = err;
Py_INCREF(err);
return 0;
}
static void
diagnostics_dealloc(PyObject* obj)
{
diagnosticsObject *self = (diagnosticsObject *)obj;
Py_XDECREF(self->err);
Py_TYPE(obj)->tp_free(obj);
}
static int
diagnostics_init(PyObject *obj, PyObject *args, PyObject *kwds)
{
PyObject *err = NULL;
if (!PyArg_ParseTuple(args, "O", &err))
return -1;
return diagnostics_setup((diagnosticsObject *)obj, err);
}
static PyObject *
diagnostics_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
return type->tp_alloc(type, 0);
}
static int
diagnostics_init(diagnosticsObject *self, PyObject *args, PyObject *kwds)
{
PyObject *err = NULL;
if (!PyArg_ParseTuple(args, "O", &err))
return -1;
Py_INCREF(err);
self->err = err;
return 0;
}
static int
diagnostics_traverse(diagnosticsObject *self, visitproc visit, void *arg)
{
Py_VISIT(self->err);
return 0;
}
static void
diagnostics_dealloc(diagnosticsObject* self)
{
Py_CLEAR(self->err);
Py_TYPE(self)->tp_free((PyObject *)self);
}
static void
diagnostics_del(PyObject* self)
{
PyObject_Del(self);
PyObject_GC_Del(self);
}
@ -184,7 +181,7 @@ PyTypeObject diagnosticsType = {
"psycopg2._psycopg.Diagnostics",
sizeof(diagnosticsObject),
0,
diagnostics_dealloc, /*tp_dealloc*/
(destructor)diagnostics_dealloc, /*tp_dealloc*/
0, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
@ -201,10 +198,10 @@ PyTypeObject diagnosticsType = {
0, /*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, /*tp_flags*/
Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
diagnosticsType_doc, /*tp_doc*/
0, /*tp_traverse*/
(traverseproc)diagnostics_traverse, /*tp_traverse*/
0, /*tp_clear*/
0, /*tp_richcompare*/
@ -225,7 +222,7 @@ PyTypeObject diagnosticsType = {
0, /*tp_descr_set*/
0, /*tp_dictoffset*/
diagnostics_init, /*tp_init*/
(initproc)diagnostics_init, /*tp_init*/
0, /*tp_alloc will be set to PyType_GenericAlloc in module init*/
diagnostics_new, /*tp_new*/
(freefunc)diagnostics_del, /*tp_free Low-level free-memory routine */