C++ (Cpp) sd_bus_flush_close_unref Examples

Example #1

File: timedatectl.c Project: GuillaumeSeren/systemd

int main(int argc, char *argv[]) {
        sd_bus *bus = NULL;
        int r;

        setlocale(LC_ALL, "");
        log_parse_environment();
        log_open();

        r = parse_argv(argc, argv);
        if (r <= 0)
                goto finish;

        r = bus_connect_transport(arg_transport, arg_host, false, &bus);
        if (r < 0) {
                log_error_errno(r, "Failed to create bus connection: %m");
                goto finish;
        }

        r = timedatectl_main(bus, argc, argv);

finish:
        sd_bus_flush_close_unref(bus);
        pager_close();

        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}

Example #2

File: localectl.c Project: halfline/systemd

int main(int argc, char*argv[]) {
        sd_bus *bus = NULL;
        int r;

        setlocale(LC_ALL, "");
        log_parse_environment();
        log_open();

        r = parse_argv(argc, argv);
        if (r <= 0)
                goto finish;

        r = bus_connect_transport(arg_transport, arg_host, false, &bus);
        if (r < 0) {
                log_error_errno(r, "Failed to create bus connection: %m");
                goto finish;
        }

        r = localectl_main(bus, argc, argv);

finish:
        /* make sure we terminate the bus connection first, and then close the
         * pager, see issue #3543 for the details. */
        sd_bus_flush_close_unref(bus);
        pager_close();

        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}

Example #3

File: lvmnotify.c Project: jthornber/lvm2-ejt

void lvmnotify_send(struct cmd_context *cmd)
{
	static const char _dbus_notification_failed_msg[] = "D-Bus notification failed";
	sd_bus *bus = NULL;
	sd_bus_message *m = NULL;
	sd_bus_error error = SD_BUS_ERROR_NULL;
	const char *cmd_name;
	int ret;
	int result = 0;

	if (!cmd->vg_notify && !cmd->lv_notify && !cmd->pv_notify)
		return;

	cmd->vg_notify = 0;
	cmd->lv_notify = 0;
	cmd->pv_notify = 0;

	cmd_name = get_cmd_name();

	ret = sd_bus_open_system(&bus);
	if (ret < 0) {
		log_debug_dbus("Failed to connect to dbus: %d", ret);
		return;
	}

	log_debug_dbus("Nofify dbus at %s.", LVM_DBUS_DESTINATION);

	ret = sd_bus_call_method(bus,
				 LVM_DBUS_DESTINATION,
				 LVM_DBUS_PATH,
				 LVM_DBUS_INTERFACE,
				 "ExternalEvent",
				 &error,
				 &m,
				 "s",
				 cmd_name);

	if (ret < 0) {
		if (sd_bus_error_has_name(&error, SD_BUS_SYSTEMD_NO_SUCH_UNIT_ERROR) ||
		    sd_bus_error_has_name(&error, SD_BUS_DBUS_SERVICE_UNKNOWN_ERROR))
			log_debug_dbus("%s: %s", _dbus_notification_failed_msg, error.message);
		else
			log_warn("WARNING: %s: %s", _dbus_notification_failed_msg, error.message);
		goto out;
	}

	ret = sd_bus_message_read(m, "i", &result);
	if (ret < 0)
		log_debug_dbus("Failed to parse dbus response message: %d", ret);
	if (result)
		log_debug_dbus("Bad return value from dbus service: %d", result);
out:
	sd_bus_error_free(&error);
	sd_bus_message_unref(m);
	sd_bus_flush_close_unref(bus);
}

Example #4

File: update-utmp.c Project: dm0-/systemd

static void context_clear(Context *c) {
        assert(c);

        c->bus = sd_bus_flush_close_unref(c->bus);
#if HAVE_AUDIT
        if (c->audit_fd >= 0)
                audit_close(c->audit_fd);
        c->audit_fd = -1;
#endif
}

Example #5

File: test-bus-cleanup.c Project: Werkov/systemd

static void test_bus_new_signal(void) {
        sd_bus *bus = NULL;
        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;

        assert_se(sd_bus_open_user(&bus) >= 0);

        assert_se(sd_bus_message_new_signal(bus, &m, "/an/object/path", "an.interface.name", "Name") >= 0);

        printf("after message_new_signal: refcount %u\n", REFCNT_GET(bus->n_ref));

        sd_bus_flush_close_unref(bus);
        printf("after bus_flush_close_unref: refcount %u\n", m->n_ref);
}