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Annotation of cci/usr/src/etc/dump/dump.h, revision 1.1.1.1

1.1       root        1: /*     dump.h  1.12    83/07/01        */
                      2: 
                      3: #define        NI              16
                      4: #define MAXINOPB       (MAXBSIZE / sizeof(struct dinode))
                      5: #define MAXNINDIR      (MAXBSIZE / sizeof(daddr_t))
                      6: 
                      7: #include <stdio.h>
                      8: #include <ctype.h>
                      9: #include <sys/param.h>
                     10: #include <sys/stat.h>
                     11: #include <sys/fs.h>
                     12: #include <sys/inode.h>
                     13: #include <dumprestor.h>
                     14: #include <sys/dir.h>
                     15: #include <utmp.h>
                     16: #include <sys/time.h>
                     17: #include <signal.h>
                     18: #include <fstab.h>
                     19: 
                     20: #define        MWORD(m,i)      (m[(unsigned)(i-1)/NBBY])
                     21: #define        MBIT(i)         (1<<((unsigned)(i-1)%NBBY))
                     22: #define        BIS(i,w)        (MWORD(w,i) |=  MBIT(i))
                     23: #define        BIC(i,w)        (MWORD(w,i) &= ~MBIT(i))
                     24: #define        BIT(i,w)        (MWORD(w,i) & MBIT(i))
                     25: 
                     26: int    msiz;
                     27: char   *clrmap;
                     28: char   *dirmap;
                     29: char   *nodmap;
                     30: 
                     31: /*
                     32:  *     All calculations done in 0.1" units!
                     33:  */
                     34: 
                     35: char   *disk;          /* name of the disk file */
                     36: char   *tape;          /* name of the tape file */
                     37: char   *increm;        /* name of the file containing incremental information*/
                     38: char   *temp;          /* name of the file for doing rewrite of increm */
                     39: char   lastincno;      /* increment number of previous dump */
                     40: char   incno;          /* increment number */
                     41: int    uflag;          /* update flag */
                     42: int    fi;             /* disk file descriptor */
                     43: int    to;             /* tape file descriptor */
                     44: int    pipeout;        /* true => output to standard output */
                     45: ino_t  ino;            /* current inumber; used globally */
                     46: int    nsubdir;
                     47: int    newtape;        /* new tape flag */
                     48: int    nadded;         /* number of added sub directories */
                     49: int    dadded;         /* directory added flag */
                     50: int    density;        /* density in 0.1" units */
                     51: long   tsize;          /* tape size in 0.1" units */
                     52: long   esize;          /* estimated tape size, blocks */
                     53: long   asize;          /* number of 0.1" units written on current tape */
                     54: int    etapes;         /* estimated number of tapes */
                     55: 
                     56: int    notify;         /* notify operator flag */
                     57: int    blockswritten;  /* number of blocks written on current tape */
                     58: int    tapeno;         /* current tape number */
                     59: time_t tstart_writing; /* when started writing the first tape block */
                     60: char   *processname;
                     61: struct fs *sblock;     /* the file system super block */
                     62: char   buf[MAXBSIZE];
                     63: 
                     64: char   *ctime();
                     65: char   *prdate();
                     66: long   atol();
                     67: int    mark();
                     68: int    add();
                     69: int    dirdump();
                     70: int    dump();
                     71: int    tapsrec();
                     72: int    dmpspc();
                     73: int    dsrch();
                     74: int    nullf();
                     75: char   *getsuffix();
                     76: char   *rawname();
                     77: struct dinode *getino();
                     78: 
                     79: int    interrupt();            /* in case operator bangs on console */
                     80: 
                     81: #define        HOUR    (60L*60L)
                     82: #define        DAY     (24L*HOUR)
                     83: #define        YEAR    (365L*DAY)
                     84: 
                     85: /*
                     86:  *     Exit status codes
                     87:  */
                     88: #define        X_FINOK         1       /* normal exit */
                     89: #define        X_REWRITE       2       /* restart writing from the check point */
                     90: #define        X_ABORT         3       /* abort all of dump; don't attempt checkpointing*/
                     91: 
                     92: #define        NINCREM "/etc/dumpdates"        /*new format incremental info*/
                     93: #define        TEMP    "/etc/dtmp"             /*output temp file*/
                     94: 
                     95: #define        TAPE    "/dev/rcy0s"            /* default tape device */
                     96: #define        DISK    "/dev/rfsd1c"           /* default disk */
                     97: #define        OPGRENT "operator"              /* group entry to notify */
                     98: #define DIALUP "ttyd"                  /* prefix for dialups */
                     99: 
                    100: struct fstab   *fstabsearch(); /* search in fs_file and fs_spec */
                    101: 
                    102: /*
                    103:  *     The contents of the file NINCREM is maintained both on
                    104:  *     a linked list, and then (eventually) arrayified.
                    105:  */
                    106: struct idates {
                    107:        char    id_name[MAXNAMLEN+3];
                    108:        char    id_incno;
                    109:        time_t  id_ddate;
                    110: };
                    111: struct itime{
                    112:        struct  idates  it_value;
                    113:        struct  itime   *it_next;
                    114: };
                    115: struct itime   *ithead;        /* head of the list version */
                    116: int    nidates;                /* number of records (might be zero) */
                    117: int    idates_in;              /* we have read the increment file */
                    118: struct idates  **idatev;       /* the arrayfied version */
                    119: #define        ITITERATE(i, ip) for (i = 0,ip = idatev[0]; i < nidates; i++, ip = idatev[i])
                    120: 
                    121: /*
                    122:  *     We catch these interrupts
                    123:  */
                    124: int    sighup();
                    125: int    sigquit();
                    126: int    sigill();
                    127: int    sigtrap();
                    128: int    sigfpe();
                    129: int    sigkill();
                    130: int    sigbus();
                    131: int    sigsegv();
                    132: int    sigsys();
                    133: int    sigalrm();
                    134: int    sigterm();

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