/* * tunable variables * * This system configured for an 11/70 with * 640kb, * 2 DM9100, 1 TE16, * 8 DZ11s * 1 LP05, 1 CR11, * 1100 users. */ #define NBUF 96 /* size of buffer cache */ #ifdef HASHED_BUFFERS #define BHASHSZ 113 /* no of list headers in hash table */ #endif HASHED_BUFFERS #define NPROC 170 /* max number of processes */ #define NINODE 270 /* number of in core inodes */ #define NFILE 330 /* number of in core file structures */ #define NMOUNT 9 /* number of mountable file systems */ #define NEXEC 4 /* 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 /* fix041: was max size of typewriter line */ #define TTYHOG 256 /* max size of typewriter line */ #define CMAPSIZ 200 /* size of core allocation area */ #define SMAPSIZ 300 /* 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 50 /* max simultaneous time callouts */ #else #define NCALL 20 /* max simultaneous time callouts */ #endif NEW_SLEEP #define NTEXT 50 /* max number of pure texts */ #ifndef CBLOCK_16 #define NCLIST 300 /* max total clist size */ /* 300* 6 = 1800 chars available */ #else #define NCLIST 250 /* max total clist size */ /* 250*14 = 3500 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 10 #endif RAW_BUFFER_POOL #ifdef AUSAML #define CMASKSIZE 4 /* number of ints in class mask */ #endif AUSAML #ifdef MANY_USERS #define SCHMAG 5 #define PRIORATE 5 #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_PRIORITIES #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[]; }; /* * Structure to access anything as 'pointer to integer' */ struct { int *integptr; }; /* * 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 64 /* max no simultaneous users */ #endif AUSAML