Ausam/sys/other/param.40

/*
 * tunable variables
 */

#define	NBUF	13		/* size of buffer cache */
#define	NINODE	60		/* number of in core inodes */
#define	NFILE	40		/* number of in core file structures */
#define	NMOUNT	4		/* number of mountable file systems */
#define	NEXEC	1		/* number of simultaneous exec's */
#define	MAXMEM	(64*32)		/* max core per process - first # is Kw */
#define	SSIZE	20		/* initial stack size (*64 bytes) */
#define	SINCR	20		/* increment of stack (*64 bytes) */
#define	NOFILE	15		/* max open files per process */
#define	CANBSIZ	256		/* max size of typewriter line */
#define	CMAPSIZ	100		/* size of core allocation area */
#define	SMAPSIZ	200		/* size of swap allocation area */
#ifdef	MALLOC_UMAP
#define	UMAPSIZ	32		/* size of UNIBUS-MAP allocation area */
#endif	MALLOC_UMAP
#ifndef NEW_SLEEP
#define	NCALL	10		/* max simultaneous time callouts */
#else
#define	NCALL	10		/* max simultaneous time callouts */
#endif	NEW_SLEEP
#define	NPROC	80		/* max number of processes */
#define	NTEXT	20		/* max number of pure texts */
#ifndef	CBLOCK_16
#define	NCLIST	50		/* max total clist size */
				/* 300* 6 = 1800 chars available */
#else
#define	NCLIST	35		/* max total clist size */
				/* 150*14 = 2100 chars available */
#endif	CBLOCK_16
#define	HZ	50		/**** Ticks/second of the clock ****/
#ifdef	NEW_TIMEOUT
#define NTFREE	2		/* no. of spare blocks in timeout freelist */
#endif
#ifdef	RAW_BUFFER_POOL
#define	NRAWBUFS	5
#endif	RAW_BUFFER_POOL
#ifdef	AUSAML
#define	CMASKSIZE	2	/* number of ints in class mask */
#endif	AUSAML
#ifdef	MANY_USERS
#define	SCHMAG	 5
#define	PRIORATE 8
#else
#define	SCHMAG	 10
#define	PRIORATE 16
#endif	MANY_USERS
#ifdef	TTY_SUSER
#define	TTY_MAXSPD	11	/* 2400 baud */
#endif	TTY_SUSER

/*
 * priorities
 * probably should not be
 * altered too much
 */

#define	PSWP	-100
#define	PINOD	-90
#define	PRIBIO	-50
#ifdef	DELAY
#ifdef	TTY_CONNECT
#define	PRIREDIRECT	-1
#endif	TTY_CONNECT
#define	PDELAY	-1
#endif
#define	PPIPE	1

#ifdef	MORE_USER_PROIRITIES
#define	PWAIT	30
#ifdef	SHARED_DATA
#define	PPV	30		/* pp & vv sleep priority */
#endif
#ifdef	LOCKING
#define	PLOCK	40		/* priority for locking of a file */
#endif
#define	PSLEP	50
#define	PUSER	64
#else
#define	PWAIT	40
#ifdef	SHARED_DATA
#define	PPV	40		/* pp & vv sleep priority */
#endif
#ifdef	LOCKING
#define	PLOCK	50		/* priority for locking of a file */
#endif
#define	PSLEP	90
#define	PUSER	100
#endif	MORE_USER_PRIORITIES

/*
 * signals
 * dont change
 */

#define	NSIG	20
#define		SIGHUP		1	/* hangup */
#define		SIGINT		2	/* interrupt (rubout) */
#define		SIGQIT		3	/* quit (FS) */
#define		SIGINS		4	/* illegal instruction */
#define		SIGTRC		5	/* trace or breakpoint */
#define		SIGIOT		6	/* iot */
#define		SIGEMT		7	/* emt */
#define		SIGFPT		8	/* floating exception */
#define		SIGKIL		9	/* kill */
#define		SIGBUS		10	/* bus error */
#define		SIGSEG		11	/* segmentation violation */
#define		SIGSYS		12	/* sys */
#define		SIGPIPE		13	/* end of pipe */
#define		SIGTERMINATE	14	/* terminate - send this signal when system about to close down  */
#ifdef	TIME_LIMITS
#define		SIGTIMEOUT	15	/* real time limit  */
#define		SIGCPUTL	16	/* cpu time limit  */
#endif
#ifdef	MEM_PAR_INTR
#define		SIGMEMPAR	17	/* memory parity */
#endif	MEM_PAR_INTR

/*
 * fundamental constants
 * cannot be changed
 */

#define	USIZE	16		/* size of user block (*64) */
#define	NULL	0
#define	NODEV	(-1)
#define	ROOTINO	1		/* i number of all roots */
#define	DIRSIZ	14		/* max characters per directory */

/*
 * structure to access an
 * integer in bytes
 */
struct
{
	char	lobyte;
	char	hibyte;
};

/*
 * structure to access an integer
 */
struct
{
	int	integ;
};
/*
 * structure to access anything as bytes
 */
struct
{
	char	byt[];
};
/*
 * structure to access an unsigned integer
 */
struct
{
	unsigned unsignd;
};
/*
 * structure to access a long
 */
struct
{
	int	hiint;
	int	loint;
};

/*
 *Structure to access anything as integers
 */
struct
{
	int	intarray[];
};

/*
 * Certain processor registers
 */
#define PS	0177776
#define KL	0177560
#define SW	0177570
#ifdef	STACK_LIMIT
#define	SLR	0177774		/* stack limit register */
#endif	STACK_LIMIT
#ifdef	MEM_PAR_INTR & _1140
#define	PARMEMCSR	0172100	/* first status register for parity control */
#endif	MEM_PAR_INTR & _1140
#ifdef	MAPPED_BUFFERS
#ifndef	_1140
#define	KA5	0172372
#else	_1140
#define	KA5	0172352
#endif	_1140
#define	ka5	KA5->integ
#endif	MAPPED_BUFFERS


#ifdef	AUSAM16
	/*
	 * macro to extract 16 bit uid from inode
	 */

#define	guid(ip)	((ip->i_uidh << 8) | (ip->i_uidl & 0377))

#endif	AUSAM16

#ifdef	AUSAML
#define MAXUSERS	5		/* max no simultaneous users */
#endif	AUSAML