1 files changed, 15 insertions, 0 deletions
diff --git a/Lib/test/test_signal.py b/Lib/test/test_signal.py
index 2562a57..25afd6a 100644
--- a/Lib/test/test_signal.py
+++ b/Lib/test/test_signal.py
@@ -1406,6 +1406,21 @@ class RaiseSignalTest(unittest.TestCase):
         signal.raise_signal(signal.SIGINT)
         self.assertTrue(is_ok)
 
+    def test__thread_interrupt_main(self):
+        # See https://github.com/python/cpython/issues/102397
+        code = """if 1:
+        import _thread
+        class Foo():
+            def __del__(self):
+                _thread.interrupt_main()
+
+        x = Foo()
+        """
+
+        rc, out, err = assert_python_ok('-c', code)
+        self.assertIn(b'OSError: Signal 2 ignored due to race condition', err)
+
+
 
 class PidfdSignalTest(unittest.TestCase):