25 	struct modem_backend_tty *backend = (struct modem_backend_tty *)p1;  in modem_backend_tty_routine()  local
31 	pd.fd = backend->tty_fd;  in modem_backend_tty_routine()
35 	while (atomic_test_bit(&backend->state, MODEM_BACKEND_TTY_STATE_RUN_BIT)) {  in modem_backend_tty_routine()
45 			modem_pipe_notify_receive_ready(&backend->pipe);  in modem_backend_tty_routine()
54 	struct modem_backend_tty *backend = (struct modem_backend_tty *)data;  in modem_backend_tty_open()  local
56 	if (atomic_test_and_set_bit(&backend->state, MODEM_BACKEND_TTY_STATE_RUN_BIT)) {  in modem_backend_tty_open()
60 	backend->tty_fd = open(backend->tty_path, (O_RDWR | O_NONBLOCK), 0644);  in modem_backend_tty_open()
61 	if (backend->tty_fd < 0) {  in modem_backend_tty_open()
65 	k_thread_create(&backend->thread, backend->stack, backend->stack_size,  in modem_backend_tty_open()
66 			modem_backend_tty_routine, backend, NULL, NULL,  in modem_backend_tty_open()
69 	modem_pipe_notify_opened(&backend->pipe);  in modem_backend_tty_open()
75 	struct modem_backend_tty *backend = (struct modem_backend_tty *)data;  in modem_backend_tty_transmit()  local
78 	ret = write(backend->tty_fd, buf, size);  in modem_backend_tty_transmit()
79 	modem_pipe_notify_transmit_idle(&backend->pipe);  in modem_backend_tty_transmit()
86 	struct modem_backend_tty *backend = (struct modem_backend_tty *)data;  in modem_backend_tty_receive()  local
88 	ret = read(backend->tty_fd, buf, size);  in modem_backend_tty_receive()
94 	struct modem_backend_tty *backend = (struct modem_backend_tty *)data;  in modem_backend_tty_close()  local
96 	if (!atomic_test_and_clear_bit(&backend->state, MODEM_BACKEND_TTY_STATE_RUN_BIT)) {  in modem_backend_tty_close()
100 	k_thread_join(&backend->thread, K_MSEC(MODEM_BACKEND_TTY_THREAD_RUN_PERIOD_MS * 2));  in modem_backend_tty_close()
101 	close(backend->tty_fd);  in modem_backend_tty_close()
102 	modem_pipe_notify_closed(&backend->pipe);  in modem_backend_tty_close()
113 struct modem_pipe *modem_backend_tty_init(struct modem_backend_tty *backend,  in modem_backend_tty_init()  argument
116 	__ASSERT_NO_MSG(backend != NULL);  in modem_backend_tty_init()
120 	memset(backend, 0x00, sizeof(*backend));  in modem_backend_tty_init()
121 	backend->tty_path = config->tty_path;  in modem_backend_tty_init()
122 	backend->stack = config->stack;  in modem_backend_tty_init()
123 	backend->stack_size = config->stack_size;  in modem_backend_tty_init()
124 	atomic_set(&backend->state, 0);  in modem_backend_tty_init()
125 	modem_pipe_init(&backend->pipe, backend, &modem_backend_tty_api);  in modem_backend_tty_init()
126 	return &backend->pipe;  in modem_backend_tty_init()