243         self.assertTrue(current.is_alive())
326         wconn.send("alive" if parent_process().is_alive() else "not alive")
328         wconn.send("alive" if parent_process().is_alive() else "not alive")
344         self.assertEqual(p.is_alive(), False)
353         self.assertEqual(p.is_alive(), True)
366         self.assertEqual(p.is_alive(), False)
408         self.assertEqual(p.is_alive(), True)
416         self.assertEqual(p.is_alive(), True)
420         self.assertEqual(p.is_alive(), True)
444         self.assertEqual(p.is_alive(), False)
546         self.assertEqual(p.is_alive(), True)
553         self.assertEqual(p.is_alive(), False)
557             p.is_alive()
2776         while countdown and not all(w.is_alive() for w in p._pool):
5449             def is_alive(self):  member in TestPoolNotLeakOnFailure.test_release_unused_processes.FailingForkProcess
5458             any(process.is_alive() for process in forked_processes))
5492         if self.proc is not None and self.proc.is_alive():