diff options
| -rw-r--r-- | Lib/test/test_io.py | 6 | ||||
| -rw-r--r-- | Misc/NEWS | 3 | ||||
| -rw-r--r-- | Modules/_io/bufferedio.c | 2 |
3 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py index 32e908d..b5506b0 100644 --- a/Lib/test/test_io.py +++ b/Lib/test/test_io.py @@ -1567,6 +1567,12 @@ class BufferedRWPairTest(unittest.TestCase): pair = self.tp(SelectableIsAtty(True), SelectableIsAtty(True)) self.assertTrue(pair.isatty()) + def test_weakref_clearing(self): + brw = self.tp(self.MockRawIO(), self.MockRawIO()) + ref = weakref.ref(brw) + brw = None + ref = None # Shouldn't segfault. + class CBufferedRWPairTest(BufferedRWPairTest): tp = io.BufferedRWPair @@ -16,6 +16,9 @@ Core and Builtins Library ------- +- Issue #22517: When a io.BufferedRWPair object is deallocated, clear its + weakrefs. + - Issue #22448: Improve canceled timer handles cleanup to prevent unbound memory usage. Patch by Joshua Moore-Oliva. diff --git a/Modules/_io/bufferedio.c b/Modules/_io/bufferedio.c index 4c0262e..302db0a 100644 --- a/Modules/_io/bufferedio.c +++ b/Modules/_io/bufferedio.c @@ -2297,6 +2297,8 @@ static void bufferedrwpair_dealloc(rwpair *self) { _PyObject_GC_UNTRACK(self); + if (self->weakreflist != NULL) + PyObject_ClearWeakRefs((PyObject *)self); Py_CLEAR(self->reader); Py_CLEAR(self->writer); Py_CLEAR(self->dict); |