test_pidfd_poll_leader_exit_thread 457 tools/testing/selftests/pidfd/pidfd_test.c pthread_create(&t1, NULL, test_pidfd_poll_leader_exit_thread, NULL); test_pidfd_poll_leader_exit_thread 458 tools/testing/selftests/pidfd/pidfd_test.c pthread_create(&t2, NULL, test_pidfd_poll_leader_exit_thread, NULL);