1 /*- 2 * Copyright (c) 1980 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * from: @(#)dump.h 5.16 (Berkeley) 5/29/91 34 * $Id: dump.h,v 1.4 1993/08/01 18:27:52 mycroft Exp $ 35 */ 36 37 #define MAXINOPB (MAXBSIZE / sizeof(struct dinode)) 38 #define MAXNINDIR (MAXBSIZE / sizeof(daddr_t)) 39 40 /* 41 * Dump maps used to describe what is to be dumped. 42 */ 43 int mapsize; /* size of the state maps */ 44 char *usedinomap; /* map of allocated inodes */ 45 char *dumpdirmap; /* map of directories to be dumped */ 46 char *dumpinomap; /* map of files to be dumped */ 47 /* 48 * Map manipulation macros. 49 */ 50 #define SETINO(ino, map) \ 51 map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY) 52 #define CLRINO(ino, map) \ 53 map[(u_int)((ino) - 1) / NBBY] &= ~(1 << ((u_int)((ino) - 1) % NBBY)) 54 #define TSTINO(ino, map) \ 55 (map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY))) 56 57 /* 58 * All calculations done in 0.1" units! 59 */ 60 char *disk; /* name of the disk file */ 61 char *tape; /* name of the tape file */ 62 char *dumpdates; /* name of the file containing dump date information*/ 63 char *temp; /* name of the file for doing rewrite of dumpdates */ 64 char lastlevel; /* dump level of previous dump */ 65 char level; /* dump level of this dump */ 66 int uflag; /* update flag */ 67 int diskfd; /* disk file descriptor */ 68 int tapefd; /* tape file descriptor */ 69 int pipeout; /* true => output to standard output */ 70 ino_t curino; /* current inumber; used globally */ 71 int newtape; /* new tape flag */ 72 int density; /* density in 0.1" units */ 73 long tapesize; /* estimated tape size, blocks */ 74 long tsize; /* tape size in 0.1" units */ 75 long asize; /* number of 0.1" units written on current tape */ 76 int etapes; /* estimated number of tapes */ 77 78 int notify; /* notify operator flag */ 79 int blockswritten; /* number of blocks written on current tape */ 80 int tapeno; /* current tape number */ 81 time_t tstart_writing; /* when started writing the first tape block */ 82 char *processname; 83 struct fs *sblock; /* the file system super block */ 84 char buf[MAXBSIZE]; 85 long dev_bsize; /* block size of underlying disk device */ 86 int dev_bshift; /* log2(dev_bsize) */ 87 int tp_bshift; /* log2(TP_BSIZE) */ 88 89 /* operator interface functions */ 90 void broadcast(); 91 void lastdump(); 92 void msg(); 93 void msgtail(); 94 int query(); 95 void set_operators(); 96 void timeest(); 97 98 /* mapping rouintes */ 99 long blockest(); 100 int mapfiles(); 101 int mapdirs(); 102 103 /* file dumping routines */ 104 void dirdump(); 105 void blksout(); 106 void dumpmap(); 107 void writeheader(); 108 void bread(); 109 110 /* tape writing routines */ 111 int alloctape(); 112 void writerec(); 113 void dumpblock(); 114 void flushtape(); 115 void trewind(); 116 void close_rewind(); 117 void startnewtape(); 118 119 void dumpabort(); 120 void Exit(); 121 void getfstab(); 122 void quit(); 123 124 char *rawname(); 125 struct dinode *getino(); 126 127 void interrupt(); /* in case operator bangs on console */ 128 129 /* 130 * Exit status codes 131 */ 132 #define X_FINOK 0 /* normal exit */ 133 #define X_REWRITE 2 /* restart writing from the check point */ 134 #define X_ABORT 3 /* abort all of dump; don't attempt checkpointing*/ 135 136 #define OPGRENT "operator" /* group entry to notify */ 137 #define DIALUP "ttyd" /* prefix for dialups */ 138 139 struct fstab *fstabsearch(); /* search in fs_file and fs_spec */ 140 141 /* 142 * The contents of the file _PATH_DUMPDATES is maintained both on 143 * a linked list, and then (eventually) arrayified. 144 */ 145 struct dumpdates { 146 char dd_name[MAXNAMLEN+3]; 147 char dd_level; 148 time_t dd_ddate; 149 }; 150 struct dumptime { 151 struct dumpdates dt_value; 152 struct dumptime *dt_next; 153 }; 154 struct dumptime *dthead; /* head of the list version */ 155 int nddates; /* number of records (might be zero) */ 156 int ddates_in; /* we have read the increment file */ 157 struct dumpdates **ddatev; /* the arrayfied version */ 158 void initdumptimes(); 159 void getdumptime(); 160 void putdumptime(); 161 #define ITITERATE(i, ddp) \ 162 for (ddp = ddatev[i = 0]; i < nddates; ddp = ddatev[++i]) 163 164 /* 165 * We catch these interrupts 166 */ 167 void sighup(); 168 void sigquit(); 169 void sigill(); 170 void sigtrap(); 171 void sigfpe(); 172 void sigkill(); 173 void sigbus(); 174 void sigsegv(); 175 void sigsys(); 176 void sigalrm(); 177 void sigterm(); 178 179 /* 180 * Compatibility with old systems. 181 */ 182 #ifndef __STDC__ 183 #include <sys/file.h> 184 #define _PATH_FSTAB "/etc/fstab" 185 extern char *index(), *strdup(); 186 extern char *ctime(); 187 extern int errno; 188 #endif 189