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authorFred Drake <fdrake@acm.org>2002-08-09 18:35:52 (GMT)
committerFred Drake <fdrake@acm.org>2002-08-09 18:35:52 (GMT)
commit72bc456403106c66a551fe046f7355579e17066f (patch)
tree404799db2b22692e2955203343f1c455c6f47c54 /Python
parentf16c3dc81b33c5eaf977ff850c056f3c05143742 (diff)
downloadcpython-72bc456403106c66a551fe046f7355579e17066f.zip
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Add weakref support generator-iterators.
Part of fixing SF bug #591704.
Diffstat (limited to 'Python')
-rw-r--r--Python/ceval.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/Python/ceval.c b/Python/ceval.c
index 9df336e..50ea9c3 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -94,6 +94,9 @@ typedef struct {
/* True if generator is being executed. */
int gi_running;
+
+ /* List of weak reference. */
+ PyObject *gi_weakreflist;
} genobject;
static PyObject *
@@ -106,6 +109,7 @@ gen_new(PyFrameObject *f)
}
gen->gi_frame = f;
gen->gi_running = 0;
+ gen->gi_weakreflist = NULL;
_PyObject_GC_TRACK(gen);
return (PyObject *)gen;
}
@@ -120,6 +124,8 @@ static void
gen_dealloc(genobject *gen)
{
_PyObject_GC_UNTRACK(gen);
+ if (gen->gi_weakreflist != NULL)
+ PyObject_ClearWeakRefs((PyObject *) gen);
Py_DECREF(gen->gi_frame);
PyObject_GC_Del(gen);
}
@@ -205,7 +211,7 @@ static PyTypeObject gentype = {
(traverseproc)gen_traverse, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
+ offsetof(genobject, gi_weakreflist), /* tp_weaklistoffset */
(getiterfunc)gen_getiter, /* tp_iter */
(iternextfunc)gen_iternext, /* tp_iternext */
0, /* tp_methods */