X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;ds=sidebyside;f=dump%2Ftape.c;h=a0910f4f5d5943993d3b7d30f5f1b829e773c169;hb=b8f7cbe65e70f2ec792c447995ba00ca360ec0c9;hp=3f2ae89a651bedf6f37189240cc2b5ff8352b09f;hpb=86fab47e75fc141db053271654a2570fddcd0f46;p=dump.git diff --git a/dump/tape.c b/dump/tape.c index 3f2ae89..a0910f4 100644 --- a/dump/tape.c +++ b/dump/tape.c @@ -41,7 +41,7 @@ #ifndef lint static const char rcsid[] = - "$Id: tape.c,v 1.46 2001/05/12 11:36:12 stelian Exp $"; + "$Id: tape.c,v 1.51 2001/07/18 13:12:33 stelian Exp $"; #endif /* not lint */ #include @@ -52,6 +52,7 @@ static const char rcsid[] = #include #include #include +#include #ifdef __STDC__ #include #include @@ -62,8 +63,8 @@ int write(), read(); #ifdef __linux__ #include +#include #include -#include #endif #include #include @@ -71,7 +72,11 @@ int write(), read(); #include #include #ifdef __linux__ +#ifdef HAVE_EXT2FS_EXT2_FS_H +#include +#else #include +#endif #include #include #elif defined sunos @@ -112,7 +117,6 @@ static void enslave __P((void)); static void flushtape __P((void)); static void killall __P((void)); static void rollforward __P((void)); -static int system_command __P((const char *, const char *, int)); /* * Concurrent dump mods (Caltech) - disk block reading and tape writing @@ -439,56 +443,23 @@ flushtape(void) nextblock = slp->tblock; trecno = 0; asize += tenths + returned.clen / density; + csize += returned.clen; blockswritten += ntrec; blocksthisvol += ntrec; - if (!pipeout && !unlimited && (blocksperfile ? - (blocksthisvol >= blocksperfile) : (asize > tsize))) { - close_rewind(); - startnewtape(0); - } - timeest(); -} - -/* - * Executes the command in a shell. - * Returns -1 if an error occured, the exit status of - * the command on success. - */ -int system_command(const char *command, const char *device, int volnum) { - int pid, status; - char commandstr[4096]; - - pid = fork(); - if (pid == -1) { - perror(" DUMP: unable to fork"); - return -1; - } - if (pid == 0) { - setuid(getuid()); - setgid(getgid()); -#if OLD_STYLE_FSCRIPT - snprintf(commandstr, sizeof(commandstr), "%s", command); -#else - snprintf(commandstr, sizeof(commandstr), "%s %s %d", command, device, volnum); -#endif - commandstr[sizeof(commandstr) - 1] = '\0'; - execl("/bin/sh", "sh", "-c", commandstr, NULL); - perror(" DUMP: unable to execute shell"); - exit(-1); - } - do { - if (waitpid(pid, &status, 0) == -1) { - if (errno != EINTR) { - perror(" DUMP: waitpid error"); - return -1; + if (!pipeout && !unlimited) { + if (blocksperfile) { + if ( compressed ? csize >= blocksperfile * 1024 + : blocksthisvol >= blocksperfile ) { + close_rewind(); + startnewtape(0); } - } else { - if (WIFEXITED(status)) - return WEXITSTATUS(status); - else - return -1; } - } while(1); + else if (asize > tsize) { + close_rewind(); + startnewtape(0); + } + } + timeest(); } time_t @@ -548,9 +519,11 @@ trewind(void) #endif { (void) close(tapefd); - while ((f = OPEN(tape, 0)) < 0) - sleep (10); - (void) close(f); + if (!fifoout) { + while ((f = OPEN(tape, 0)) < 0) + sleep (10); + (void) close(f); + } } eot_code = 1; if (eot_script && spcl.c_type != TS_END) { @@ -720,6 +693,7 @@ rollforward(void) slp->count = lastspclrec + blks + 1 - spcl.c_tapea; slp->inode = curino; asize += tenths + returned.clen / density; + csize += returned.clen; blockswritten += ntrec; blocksthisvol += ntrec; #endif @@ -876,6 +850,7 @@ restore_check_point: enslave(); /* Share open tape file descriptor with slaves */ asize = 0; + csize = 0; blocksthisvol = 0; if (top) newtape++; /* new tape signal */ @@ -1171,7 +1146,8 @@ doslave(int cmd, int slave_number) uspclptr = (union u_spcl *)&slp->tblock[0]; spclptr = &uspclptr->s_spcl; if ((spclptr->c_magic == NFS_MAGIC) && - (spclptr->c_type == TS_INODE)) { + (spclptr->c_type == TS_INODE) && + (spclptr->c_date == gThisDumpDate)) { /* if an error occured previously don't * try again */ if (gtperr == 0) {