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Annotation of 42BSD/sys/h/systm.h, revision 1.1

1.1     ! root        1: /*     systm.h 6.1     83/07/29        */
        !             2: 
        !             3: /*
        !             4:  * Random set of variables
        !             5:  * used by more than one
        !             6:  * routine.
        !             7:  */
        !             8: int    hand;                   /* current index into coremap used by daemon */
        !             9: extern char version[];         /* system version */
        !            10: 
        !            11: /*
        !            12:  * Nblkdev is the number of entries
        !            13:  * (rows) in the block switch. It is
        !            14:  * set in binit/bio.c by making
        !            15:  * a pass over the switch.
        !            16:  * Used in bounds checking on major
        !            17:  * device numbers.
        !            18:  */
        !            19: int    nblkdev;
        !            20: 
        !            21: /*
        !            22:  * Number of character switch entries.
        !            23:  * Set by cinit/prim.c
        !            24:  */
        !            25: int    nchrdev;
        !            26: 
        !            27: int    nswdev;                 /* number of swap devices */
        !            28: int    mpid;                   /* generic for unique process id's */
        !            29: char   runin;                  /* scheduling flag */
        !            30: char   runout;                 /* scheduling flag */
        !            31: int    runrun;                 /* scheduling flag */
        !            32: char   kmapwnt;                /* kernel map want flag */
        !            33: char   curpri;                 /* more scheduling */
        !            34: 
        !            35: int    maxmem;                 /* actual max memory per process */
        !            36: int    physmem;                /* physical memory on this CPU */
        !            37: 
        !            38: int    nswap;                  /* size of swap space */
        !            39: int    updlock;                /* lock for sync */
        !            40: daddr_t        rablock;                /* block to be read ahead */
        !            41: int    rasize;                 /* size of block in rablock */
        !            42: extern int intstack[];         /* stack for interrupts */
        !            43: dev_t  rootdev;                /* device of the root */
        !            44: dev_t  dumpdev;                /* device to take dumps on */
        !            45: long   dumplo;                 /* offset into dumpdev */
        !            46: dev_t  swapdev;                /* swapping device */
        !            47: dev_t  argdev;                 /* device for argument lists */
        !            48: 
        !            49: #ifdef vax
        !            50: extern int icode[];            /* user init code */
        !            51: extern int szicode;            /* its size */
        !            52: #endif
        !            53: 
        !            54: daddr_t        bmap();
        !            55: caddr_t        calloc();
        !            56: unsigned max();
        !            57: unsigned min();
        !            58: int    memall();
        !            59: int    uchar(), schar();
        !            60: int    vmemall();
        !            61: caddr_t        wmemall();
        !            62: swblk_t        vtod();
        !            63: 
        !            64: /*
        !            65:  * Structure of the system-entry table
        !            66:  */
        !            67: extern struct sysent
        !            68: {
        !            69:        int     sy_narg;                /* total number of arguments */
        !            70:        int     (*sy_call)();           /* handler */
        !            71: } sysent[];
        !            72: 
        !            73: int    noproc;                 /* no one is running just now */
        !            74: char   *panicstr;
        !            75: int    wantin;
        !            76: int    boothowto;              /* reboot flags, from console subsystem */
        !            77: int    selwait;
        !            78: 
        !            79: extern char vmmap[];           /* poor name! */
        !            80: 
        !            81: /* casts to keep lint happy */
        !            82: #define        insque(q,p)     _insque((caddr_t)q,(caddr_t)p)
        !            83: #define        remque(q)       _remque((caddr_t)q)
        !            84: #define        queue(q,p)      _queue((caddr_t)q,(caddr_t)p)
        !            85: #define        dequeue(q)      _dequeue((caddr_t)q)

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