C++ (Cpp) mgmt_refの例

コード例 #1

ファイル: mgmt.c プロジェクト: DaisyPi/sensortag

struct mgmt *mgmt_new(int fd)
{
	struct mgmt *mgmt;

	if (fd < 0)
		return NULL;

	mgmt = g_try_new0(struct mgmt, 1);
	if (!mgmt)
		return NULL;

	mgmt->fd = fd;
	mgmt->close_on_unref = false;

	mgmt->len = 512;
	mgmt->buf = g_try_malloc(mgmt->len);
	if (!mgmt->buf) {
		g_free(mgmt);
		return NULL;
	}

	mgmt->io = g_io_channel_unix_new(mgmt->fd);

	g_io_channel_set_encoding(mgmt->io, NULL, NULL);
	g_io_channel_set_buffered(mgmt->io, FALSE);

	mgmt->request_queue = g_queue_new();
	mgmt->reply_queue = g_queue_new();

	mgmt->read_watch = g_io_add_watch_full(mgmt->io, G_PRIORITY_DEFAULT,
				G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
				received_data, mgmt, read_watch_destroy);

	return mgmt_ref(mgmt);
}

コード例 #2

ファイル: mgmt.c プロジェクト: LegacySlimXperia/android_hardware_semc

struct mgmt *mgmt_new(int fd)
{
	struct mgmt *mgmt;

	if (fd < 0)
		return NULL;

	mgmt = new0(struct mgmt, 1);
	if (!mgmt)
		return NULL;

	mgmt->fd = fd;
	mgmt->close_on_unref = false;

	mgmt->len = 512;
	mgmt->buf = malloc(mgmt->len);
	if (!mgmt->buf) {
		free(mgmt);
		return NULL;
	}

	mgmt->io = io_new(fd);
	if (!mgmt->io) {
		free(mgmt->buf);
		free(mgmt);
		return NULL;
	}

	mgmt->request_queue = queue_new();
	if (!mgmt->request_queue) {
		io_destroy(mgmt->io);
		free(mgmt->buf);
		free(mgmt);
		return NULL;
	}

	mgmt->reply_queue = queue_new();
	if (!mgmt->reply_queue) {
		queue_destroy(mgmt->request_queue, NULL);
		io_destroy(mgmt->io);
		free(mgmt->buf);
		free(mgmt);
		return NULL;
	}

	mgmt->pending_list = queue_new();
	if (!mgmt->pending_list) {
		queue_destroy(mgmt->reply_queue, NULL);
		queue_destroy(mgmt->request_queue, NULL);
		io_destroy(mgmt->io);
		free(mgmt->buf);
		free(mgmt);
		return NULL;
	}

	mgmt->notify_list = queue_new();
	if (!mgmt->notify_list) {
		queue_destroy(mgmt->pending_list, NULL);
		queue_destroy(mgmt->reply_queue, NULL);
		queue_destroy(mgmt->request_queue, NULL);
		io_destroy(mgmt->io);
		free(mgmt->buf);
		free(mgmt);
		return NULL;
	}

	if (!io_set_read_handler(mgmt->io, can_read_data, mgmt,
						read_watch_destroy)) {
		queue_destroy(mgmt->notify_list, NULL);
		queue_destroy(mgmt->pending_list, NULL);
		queue_destroy(mgmt->reply_queue, NULL);
		queue_destroy(mgmt->request_queue, NULL);
		io_destroy(mgmt->io);
		free(mgmt->buf);
		free(mgmt);
		return NULL;
	}

	mgmt->writer_active = false;

	return mgmt_ref(mgmt);
}