Tasking priorities of various things:

#define	GWISPRI	030		/* Input and output restart */
#define	GWOSPRI	040
#define	GWODPRI	034		/* Output error consideration level */
#define	GWIPPRI	070		/* Input packet handling */

#define STATPRI 0300		/* Status logging */

#define	CMPPRI	024		/* Priority of I/O completion */

#define INPPRI 0100		/* Priority of IP packet processing */
#define ARPPPRI 0250		/* Priority of ARP input handling (obselete) */

#define RIPBRDPRI 0130		/* Priority that RIP brd tables runs at */