SERVICE_ONESHOT, /* we fork and wait until the program finishes (i.e. programs like fsck which run and need to finish before we continue) */
SERVICE_DBUS, /* we fork and wait until a specific D-Bus name appears on the bus */
SERVICE_NOTIFY, /* we fork and wait until a daemon sends us a ready message with sd_notify() */
+ SERVICE_IDLE, /* much like simple, but delay exec() until all jobs are dispatched. */
_SERVICE_TYPE_MAX,
_SERVICE_TYPE_INVALID = -1
} ServiceType;