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26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)dump.h 8.2 (Berkeley) 4/28/95
35 * Dump maps used to describe what is to be dumped.
37 int mapsize; /* size of the state maps */
38 char *usedinomap; /* map of allocated inodes */
39 char *dumpdirmap; /* map of directories to be dumped */
40 char *dumpinomap; /* map of files to be dumped */
42 * Map manipulation macros.
44 #define SETINO(ino, map) \
45 map[(u_int)((ino) - 1) / CHAR_BIT] |= \
46 1 << ((u_int)((ino) - 1) % CHAR_BIT)
47 #define CLRINO(ino, map) \
48 map[(u_int)((ino) - 1) / CHAR_BIT] &= \
49 ~(1 << ((u_int)((ino) - 1) % CHAR_BIT))
50 #define TSTINO(ino, map) \
51 (map[(u_int)((ino) - 1) / CHAR_BIT] & \
52 (1 << ((u_int)((ino) - 1) % CHAR_BIT)))
55 * All calculations done in 0.1" units!
57 char *disk; /* name of the disk file */
58 char *tape; /* name of the tape file */
59 char *popenout; /* popen(3) per-"tape" command */
60 char *dumpdates; /* name of the file containing dump date information*/
61 char *temp; /* name of the file for doing rewrite of dumpdates */
62 char lastlevel; /* dump level of previous dump */
63 char level; /* dump level of this dump */
64 int uflag; /* update flag */
65 int diskfd; /* disk file descriptor */
66 int tapefd; /* tape file descriptor */
67 int pipeout; /* true => output to standard output */
68 ino_t curino; /* current inumber; used globally */
69 int newtape; /* new tape flag */
70 int density; /* density in 0.1" units */
71 long tapesize; /* estimated tape size, blocks */
72 long tsize; /* tape size in 0.1" units */
73 long asize; /* number of 0.1" units written on current tape */
74 int etapes; /* estimated number of tapes */
75 int nonodump; /* if set, do not honor UF_NODUMP user flags */
76 int unlimited; /* if set, write to end of medium */
77 int cachesize; /* size of block cache in bytes */
79 int notify; /* notify operator flag */
80 int blockswritten; /* number of blocks written on current tape */
81 int tapeno; /* current tape number */
82 time_t tstart_writing; /* when started writing the first tape block */
83 time_t tend_writing; /* after writing the last tape block */
84 int passno; /* current dump pass number */
85 struct fs *sblock; /* the file system super block */
86 char sblock_buf[MAXBSIZE];
87 long dev_bsize; /* block size of underlying disk device */
88 int dev_bshift; /* log2(dev_bsize) */
89 int tp_bshift; /* log2(TP_BSIZE) */
91 /* operator interface functions */
92 void broadcast(const char *message);
94 void lastdump(int arg); /* int should be char */
95 void msg(const char *fmt, ...) __printflike(1, 2);
96 void msgtail(const char *fmt, ...) __printflike(1, 2);
97 int query(const char *question);
98 void quit(const char *fmt, ...) __printflike(1, 2);
100 time_t unctime(char *str);
102 /* mapping rouintes */
104 int mapfiles(ino_t maxino, long *tapesize);
105 int mapdirs(ino_t maxino, long *tapesize);
107 /* file dumping routines */
108 void bread(ufs2_daddr_t blkno, char *buf, int size);
109 ssize_t cread(int fd, void *buf, size_t nbytes, off_t offset);
110 void dumpino(union dinode *dp, ino_t ino);
111 void dumpmap(char *map, int type, ino_t ino);
112 void writeheader(ino_t ino);
114 /* tape writing routines */
116 void close_rewind(void);
117 void dumpblock(ufs2_daddr_t blkno, int size);
118 void startnewtape(int top);
120 void writerec(char *dp, int isspcl);
122 void Exit(int status) __dead2;
123 void dumpabort(int signo);
124 void dump_getfstab(void);
126 char *rawname(char *cp);
127 union dinode *getino(ino_t inum, int *mode);
132 int rmthost(const char *host);
133 int rmtopen(const char *tape, int mode);
134 int rmtwrite(const char *buf, int count);
137 void interrupt(int signo); /* in case operator bangs on console */
142 #define X_FINOK 0 /* normal exit */
143 #define X_STARTUP 1 /* startup error */
144 #define X_REWRITE 2 /* restart writing from the check point */
145 #define X_ABORT 3 /* abort dump; don't attempt checkpointing */
147 #define OPGRENT "operator" /* group entry to notify */
149 struct fstab *fstabsearch(const char *key); /* search fs_file and fs_spec */
156 * The contents of the file _PATH_DUMPDATES is maintained both on
157 * a linked list, and then (eventually) arrayified.
160 char dd_name[NAME_MAX+3];
164 int nddates; /* number of records (might be zero) */
165 struct dumpdates **ddatev; /* the arrayfied version */
166 void initdumptimes(void);
167 void getdumptime(void);
168 void putdumptime(void);
169 #define ITITERATE(i, ddp) \
170 if (ddatev != NULL) \
171 for (ddp = ddatev[i = 0]; i < nddates; ddp = ddatev[++i])
176 #define _PATH_FSTAB "/etc/fstab"