#define RB_DFLTROOT 0x20 /* use compiled-in rootdev */
#define RB_ALTBOOT 0x40 /* use /boot.old vs /boot */
#define RB_UNIPROC 0x80 /* don't start slaves */
+#define RB_UPSDELAY 0x200 /* Delays restart by 5 minutes */
#define RB_PANIC 0 /* reboot due to panic */
#define RB_BOOT 1 /* reboot due to boot() */