[3.13] gh-117657: Skip tests that use threads after fork (GH-122194) (#122198)

These tests fail when run under thread sanitizer due to the use of fork
and threads.
(cherry picked from commit 64e221d7ada8f6c20189035c7e81503f4c914f04)

Co-authored-by: Sam Gross <colesbury@gmail.com>

diff --git a/Lib/test/test_asyncio/test_unix_events.py b/Lib/test/test_asyncio/test_unix_events.py
index 9452213c685851631b2306ab6f8eba51874b99ca..0e5488da27211e8294508fdd52463c0deaee5a8a 100644 (file)
--- a/Lib/test/test_asyncio/test_unix_events.py
+++ b/Lib/test/test_asyncio/test_unix_events.py
@@ -1903,6 +1903,7 @@ class TestFork(unittest.IsolatedAsyncioTestCase):
             wait_process(pid, exitcode=0)
 
     @hashlib_helper.requires_hashdigest('md5')
+    @support.skip_if_sanitizer("TSAN doesn't support threads after fork", thread=True)
     def test_fork_signal_handling(self):
         self.addCleanup(multiprocessing_cleanup_tests)
 
@@ -1949,6 +1950,7 @@ class TestFork(unittest.IsolatedAsyncioTestCase):
         self.assertTrue(child_handled.is_set())
 
     @hashlib_helper.requires_hashdigest('md5')
+    @support.skip_if_sanitizer("TSAN doesn't support threads after fork", thread=True)
     def test_fork_asyncio_run(self):
         self.addCleanup(multiprocessing_cleanup_tests)
 
@@ -1968,6 +1970,7 @@ class TestFork(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(result.value, 42)
 
     @hashlib_helper.requires_hashdigest('md5')
+    @support.skip_if_sanitizer("TSAN doesn't support threads after fork", thread=True)
     def test_fork_asyncio_subprocess(self):
         self.addCleanup(multiprocessing_cleanup_tests)