Annotation of researchv10no/cmd/dump/dump.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * "@(#)dump.h 1.1 (Berkeley) 10/13/80"
        !             3:  */
        !             4: #define        NI      16
        !             5: #define        DIRPB   (BSIZE(0)/sizeof(struct direct))
        !             6: 
        !             7: #include <stdio.h>
        !             8: #include <ctype.h>
        !             9: #include <sys/param.h>
        !            10: #include <sys/stat.h>
        !            11: #include <sys/filsys.h>
        !            12: #include <sys/ino.h>
        !            13: #include <sys/inode.h>
        !            14: #include <sys/fblk.h>
        !            15: #include <sys/dir.h>
        !            16: #include <utmp.h>
        !            17: #include <time.h>
        !            18: #include <signal.h>
        !            19: #include <dumprestor.h>
        !            20: #include <fstab.h>
        !            21: 
        !            22: #define        MWORD(m,i)      (m[(unsigned)(i-1)/MLEN])
        !            23: #define        MBIT(i)         (1<<((unsigned)(i-1)%MLEN))
        !            24: #define        BIS(i,w)        (MWORD(w,i) |=  MBIT(i))
        !            25: #define        BIC(i,w)        (MWORD(w,i) &= ~MBIT(i))
        !            26: #define        BIT(i,w)        (MWORD(w,i) & MBIT(i))
        !            27: 
        !            28: short  clrmap[MSIZ];
        !            29: short  dirmap[MSIZ];
        !            30: short  nodmap[MSIZ];
        !            31: 
        !            32: /*
        !            33:  *     All calculations done in 0.1" units!
        !            34:  */
        !            35: 
        !            36: char   *disk;          /* name of the disk file */
        !            37: char   *tape;          /* name of the tape file */
        !            38: char   *increm;        /* name of the file containing incremental information*/
        !            39: char   incno;          /* increment number */
        !            40: int    uflag;          /* update flag */
        !            41: int    fi;             /* disk file descriptor */
        !            42: int    to;             /* tape file descriptor */
        !            43: ino_t  ino;            /* current inumber; used globally */
        !            44: int    nsubdir;
        !            45: int    newtape;        /* new tape flag */
        !            46: int    nadded;         /* number of added sub directories */
        !            47: int    dadded;         /* directory added flag */
        !            48: int    density;        /* density in 0.1" units */
        !            49: long   tsize;          /* tape size in 0.1" units */
        !            50: long   esize;          /* estimated tape size, blocks */
        !            51: long   asize;          /* number of 0.1" units written on current tape */
        !            52: int    etapes;         /* estimated number of tapes */
        !            53: 
        !            54: int    notify;         /* notify operator flag */
        !            55: int    blockswritten;  /* number of blocks written on current tape */
        !            56: int    tapeno;         /* current tape number */
        !            57: time_t tstart_writing; /* when started writing the first tape block */
        !            58: char   *processname;
        !            59: 
        !            60: char   *ctime();
        !            61: char   *prdate();
        !            62: long   atol();
        !            63: int    mark();
        !            64: int    add();
        !            65: int    dump();
        !            66: int    tapsrec();
        !            67: int    dmpspc();
        !            68: int    dsrch();
        !            69: int    nullf();
        !            70: char   *getsuffix();
        !            71: char   *rawname();
        !            72: 
        !            73: int    interrupt();            /* in case operator bangs on console */
        !            74: 
        !            75: #define        HOUR    (60L*60L)
        !            76: #define        DAY     (24L*HOUR)
        !            77: #define        YEAR    (365L*DAY)
        !            78: 
        !            79: /*
        !            80:  *     Exit status codes
        !            81:  */
        !            82: #define        X_FINOK         1       /* normal exit */
        !            83: #define        X_REWRITE       2       /* restart writing from the check point */
        !            84: #define        X_ABORT         3       /* abort all of dump; don't attempt checkpointing*/
        !            85: 
        !            86: #ifdef DEBUG
        !            87: #define        OINCREM "./ddate"               /*old format incremental info*/
        !            88: #define        NINCREM "./dumpdates"           /*new format incremental info*/
        !            89: #else
        !            90: #define        OINCREM "/etc/ddate"            /*old format incremental info*/
        !            91: #define        NINCREM "/etc/dumpdates"        /*new format incremental info*/
        !            92: #endif
        !            93: 
        !            94: #define        TAPE    "/dev/rmt2"             /* default tape device */
        !            95: #define        DISK    "/dev/rhp00"            /* default disk */
        !            96: #define        OPGRENT "operator"              /* group entry to notify */
        !            97: #define DIALUP "ttyd"                  /* prefix for dialups */
        !            98: 
        !            99: #define        MAXFSTAB                32
        !           100: struct fstab   fstab[MAXFSTAB];
        !           101: struct fstab   *fstabsearch(); /* search in fs_file and fs_spec */
        !           102: int    nfstab;
        !           103: 
        !           104: /*
        !           105:  *     The contents of the file NINCREM is maintained both on
        !           106:  *     a linked list, and then (eventually) arrayified.
        !           107:  */
        !           108: struct itime{
        !           109:        struct  idates  it_value;
        !           110:        struct  itime   *it_next;
        !           111: };
        !           112: struct itime   *ithead;        /* head of the list version */
        !           113: int    nidates;                /* number of records (might be zero) */
        !           114: int    idates_in;              /* we have read the increment file */
        !           115: struct idates  **idatev;       /* the arrayfied version */
        !           116: #define        ITITERATE(i, ip) for (i = 0,ip = idatev[0]; i < nidates; i++, ip = idatev[i])
        !           117: 
        !           118: /*
        !           119:  *     We catch these interrupts
        !           120:  */
        !           121: int    sighup();
        !           122: int    sigquit();
        !           123: int    sigill();
        !           124: int    sigtrap();
        !           125: int    sigfpe();
        !           126: int    sigkill();
        !           127: int    sigbus();
        !           128: int    sigsegv();
        !           129: int    sigsys();
        !           130: int    sigalrm();
        !           131: int    sigterm();

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