# Daemon threads must never add it to _shutdown_locks.
self.assertNotIn(tstate_lock, threading._shutdown_locks)
- def test_leak_without_join(self):
- # bpo-37788: Test that a thread which is not joined explicitly
- # does not leak. Test written for reference leak checks.
- def noop(): pass
- with support.wait_threads_exit():
- threading.Thread(target=noop).start()
- # Thread.join() is not called
-
class ThreadJoinOnShutdown(BaseTestCase):
# For debugging and _after_fork()
_dangling.add(self)
- def __del__(self):
- if not self._initialized:
- return
- lock = self._tstate_lock
- if lock is not None and not self.daemon:
- # ensure that self._tstate_lock is not in _shutdown_locks
- # if join() was not called explicitly
- with _shutdown_locks_lock:
- _shutdown_locks.discard(lock)
-
def _reset_internal_locks(self, is_alive):
# private! Called by _after_fork() to reset our internal locks as
# they may be in an invalid state leading to a deadlock or crash.