-#define FIRST_EVENT_TIMEOUT_SEC 1
-#define EVENT_TIMEOUT_SEC 5
-#define UDEVSEND_RETRY_COUNT 50 /* x 10 millisec */
-
-#define IPC_KEY_ID 1
-#define HOTPLUGMSGTYPE 44
+/*
+ * FIXME: udev_root is post compile configurable and may also be
+ * mounted over at any time and /var/run/ and /tmp/ is unusable,
+ * cause it's cleaned at system startup, long _after_ udevd is
+ * already running. Should we use udev_init_config()?
+ */