gh-143121: Skip test that leak threads under TSan

Author: colesbury

Lib/test/_test_multiprocessing.py

@@ -3392,6 +3392,7 @@ class _TestMyManager(BaseTestCase):
     ALLOWED_TYPES = ('manager',)
 
     @warnings_helper.ignore_fork_in_thread_deprecation_warnings()
+    @support.skip_if_sanitizer('TSan: leaks threads', thread=True)
     def test_mymanager(self):
         manager = MyManager(shutdown_timeout=SHUTDOWN_TIMEOUT)
         manager.start()
@@ -3404,6 +3405,7 @@ def test_mymanager(self):
         self.assertIn(manager._process.exitcode, (0, -signal.SIGTERM))
 
     @warnings_helper.ignore_fork_in_thread_deprecation_warnings()
+    @support.skip_if_sanitizer('TSan: leaks threads', thread=True)
     def test_mymanager_context(self):
         manager = MyManager(shutdown_timeout=SHUTDOWN_TIMEOUT)
         with manager:
@@ -3414,6 +3416,7 @@ def test_mymanager_context(self):
         self.assertIn(manager._process.exitcode, (0, -signal.SIGTERM))
 
     @warnings_helper.ignore_fork_in_thread_deprecation_warnings()
+    @support.skip_if_sanitizer('TSan: leaks threads', thread=True)
     def test_mymanager_context_prestarted(self):
         manager = MyManager(shutdown_timeout=SHUTDOWN_TIMEOUT)
         manager.start()
@@ -3485,6 +3488,7 @@ def _putter(cls, address, authkey):
         queue.put(tuple(cls.values))
 
     @warnings_helper.ignore_fork_in_thread_deprecation_warnings()
+    @support.skip_if_sanitizer('TSan: leaks threads', thread=True)
     def test_remote(self):
         authkey = os.urandom(32)
 
@@ -3527,6 +3531,7 @@ def _putter(cls, address, authkey):
         queue.put('hello world')
 
     @warnings_helper.ignore_fork_in_thread_deprecation_warnings()
+    @support.skip_if_sanitizer("TSan: leaks threads", thread=True)
     def test_rapid_restart(self):
         authkey = os.urandom(32)
         manager = QueueManager(