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authorDonghee Na <donghee.na@python.org>2024-04-25 15:13:57 (GMT)
committerGitHub <noreply@github.com>2024-04-25 15:13:57 (GMT)
commiteb20a7d12c4b2ab7931074843f8602a48b5b07bd (patch)
tree67aa7a3fc8eb52c27b158a6cc767b807df040023
parent1723c76d794bef23b518bc79d83281c7309d4832 (diff)
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gh-112069: Do not require lock if the set has never been exposed. (gh-118069)
-rw-r--r--Objects/setobject.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/Objects/setobject.c b/Objects/setobject.c
index 0d88f4f..19975e3 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -2333,6 +2333,13 @@ set_init(PySetObject *self, PyObject *args, PyObject *kwds)
if (!PyArg_UnpackTuple(args, Py_TYPE(self)->tp_name, 0, 1, &iterable))
return -1;
+ if (Py_REFCNT(self) == 1 && self->fill == 0) {
+ self->hash = -1;
+ if (iterable == NULL) {
+ return 0;
+ }
+ return set_update_local(self, iterable);
+ }
Py_BEGIN_CRITICAL_SECTION(self);
if (self->fill)
set_clear_internal(self);