static bool cgm_dbus_connect(void) { DBusError dbus_error; static DBusConnection *connection; cgm_lock(); if (!dbus_threads_initialized) { // tell dbus to do struct locking for thread safety dbus_threads_init_default(); dbus_threads_initialized = true; } dbus_error_init(&dbus_error); connection = dbus_connection_open_private(CGMANAGER_DBUS_SOCK, &dbus_error); if (!connection) { DEBUG("Failed opening dbus connection: %s: %s", dbus_error.name, dbus_error.message); dbus_error_free(&dbus_error); cgm_unlock(); return false; } dbus_connection_set_exit_on_disconnect(connection, FALSE); dbus_error_free(&dbus_error); cgroup_manager = nih_dbus_proxy_new(NULL, connection, NULL /* p2p */, "/org/linuxcontainers/cgmanager", NULL, NULL); dbus_connection_unref(connection); if (!cgroup_manager) { NihError *nerr; nerr = nih_error_get(); ERROR("Error opening cgmanager proxy: %s", nerr->message); nih_free(nerr); cgm_dbus_disconnect(); return false; } // get the api version if (cgmanager_get_api_version_sync(NULL, cgroup_manager, &api_version) != 0) { NihError *nerr; nerr = nih_error_get(); ERROR("Error cgroup manager api version: %s", nerr->message); nih_free(nerr); cgm_dbus_disconnect(); return false; } if (api_version < CGM_SUPPORTS_NAMED) cull_user_controllers(); return true; }
bool cgm_dbus_connect(void) { DBusError dbus_error; static DBusConnection *connection; dbus_error_init(&dbus_error); connection = dbus_connection_open_private(CGMANAGER_DBUS_SOCK, &dbus_error); if (!connection) { fprintf(stderr, "Failed opening dbus connection: %s: %s\n", dbus_error.name, dbus_error.message); dbus_error_free(&dbus_error); return false; } dbus_connection_set_exit_on_disconnect(connection, FALSE); dbus_error_free(&dbus_error); cgroup_manager = nih_dbus_proxy_new(NULL, connection, NULL /* p2p */, "/org/linuxcontainers/cgmanager", NULL, NULL); dbus_connection_unref(connection); if (!cgroup_manager) { NihError *nerr; nerr = nih_error_get(); fprintf(stderr, "Error opening cgmanager proxy: %s\n", nerr->message); nih_free(nerr); cgm_dbus_disconnect(); return false; } // get the api version if (cgmanager_get_api_version_sync(NULL, cgroup_manager, &api_version) != 0) { NihError *nerr; nerr = nih_error_get(); fprintf(stderr, "Error cgroup manager api version: %s\n", nerr->message); nih_free(nerr); cgm_dbus_disconnect(); return false; } return true; }