1 files changed, 9 insertions, 0 deletions
diff --git a/Python/pystate.c b/Python/pystate.c
index 892e740..cee481c 100644
--- a/Python/pystate.c
+++ b/Python/pystate.c
@@ -506,6 +506,15 @@ _PyRuntimeState_ReInitThreads(_PyRuntimeState *runtime)
     for (size_t i = 0; i < Py_ARRAY_LENGTH(locks); i++) {
         _PyMutex_at_fork_reinit(locks[i]);
     }
+#ifdef Py_GIL_DISABLED
+    for (PyInterpreterState *interp = runtime->interpreters.head;
+         interp != NULL; interp = interp->next)
+    {
+        for (int i = 0; i < NUM_WEAKREF_LIST_LOCKS; i++) {
+            _PyMutex_at_fork_reinit(&interp->weakref_locks[i]);
+        }
+    }
+#endif
 
     _PyTypes_AfterFork();