+
+ if (m->name_data_slot >= 0)
+ dbus_pending_call_free_data_slot(&m->name_data_slot);
+
+ if (m->queued_message) {
+ dbus_message_unref(m->queued_message);
+ m->queued_message = NULL;
+ }
+}
+
+void bus_done_system(Manager *m) {
+ assert(m);
+
+ if (m->system_bus == m->api_bus)
+ bus_done_api(m);
+
+ if (m->system_bus) {
+ dbus_connection_set_dispatch_status_function(m->system_bus, NULL, NULL, NULL);
+ dbus_connection_flush(m->system_bus);
+ dbus_connection_close(m->system_bus);
+ dbus_connection_unref(m->system_bus);
+ m->system_bus = NULL;
+ }
+}
+
+static void query_pid_pending_cb(DBusPendingCall *pending, void *userdata) {
+ Manager *m = userdata;
+ DBusMessage *reply;
+ DBusError error;
+ const char *name;
+
+ dbus_error_init(&error);
+
+ assert_se(name = dbus_pending_call_get_data(pending, m->name_data_slot));
+ assert_se(reply = dbus_pending_call_steal_reply(pending));
+
+ switch (dbus_message_get_type(reply)) {
+
+ case DBUS_MESSAGE_TYPE_ERROR:
+
+ assert_se(dbus_set_error_from_message(&error, reply));
+ log_warning("GetConnectionUnixProcessID() failed: %s", error.message);
+ break;
+
+ case DBUS_MESSAGE_TYPE_METHOD_RETURN: {
+ uint32_t r;
+
+ if (!dbus_message_get_args(reply,
+ &error,
+ DBUS_TYPE_UINT32, &r,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse GetConnectionUnixProcessID() reply: %s", error.message);
+ break;
+ }
+
+ manager_dispatch_bus_query_pid_done(m, name, (pid_t) r);
+ break;
+ }
+
+ default:
+ assert_not_reached("Invalid reply message");
+ }
+
+ dbus_message_unref(reply);
+ dbus_error_free(&error);
+}
+
+int bus_query_pid(Manager *m, const char *name) {
+ DBusMessage *message = NULL;
+ DBusPendingCall *pending = NULL;
+ char *n = NULL;
+
+ assert(m);
+ assert(name);
+
+ if (!(message = dbus_message_new_method_call(
+ DBUS_SERVICE_DBUS,
+ DBUS_PATH_DBUS,
+ DBUS_INTERFACE_DBUS,
+ "GetConnectionUnixProcessID")))
+ goto oom;
+
+ if (!(dbus_message_append_args(
+ message,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_INVALID)))
+ goto oom;
+
+ if (!dbus_connection_send_with_reply(m->api_bus, message, &pending, -1))
+ goto oom;
+
+ if (!(n = strdup(name)))
+ goto oom;
+
+ if (!dbus_pending_call_set_data(pending, m->name_data_slot, n, free))
+ goto oom;
+
+ n = NULL;
+
+ if (!dbus_pending_call_set_notify(pending, query_pid_pending_cb, m, NULL))
+ goto oom;
+
+ dbus_message_unref(message);
+ dbus_pending_call_unref(pending);
+
+ return 0;
+
+oom:
+ free(n);
+
+ if (pending) {
+ dbus_pending_call_cancel(pending);
+ dbus_pending_call_unref(pending);
+ }
+
+ if (message)
+ dbus_message_unref(message);
+
+ return -ENOMEM;