/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2008 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2011 Free Software Foundation Europe e.V.
The main author of Bacula is Kern Sibbald, with contributions from
many others, a complete list can be found in the file AUTHORS.
This program is Free Software; you can redistribute it and/or
- modify it under the terms of version two of the GNU General Public
+ modify it under the terms of version three of the GNU Affero General Public
License as published by the Free Software Foundation and included
in the file LICENSE.
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*
* Kern Sibbald, April 2000
*
- * Version $Id$
- *
* Note, we probably should do a core dump for the serious
* signals such as SIGBUS, SIGPFE, ...
* Also, for SIGHUP and SIGUSR1, we should re-read the
extern char my_name[];
extern char *exepath;
extern char *exename;
+extern bool prt_kaboom;
static const char *sig_names[BA_NSIG+1];
}
}
+/* defined in jcr.c */
+extern void dbg_print_jcr(FILE *fp);
+/* defined in plugins.c */
+extern void dbg_print_plugin(FILE *fp);
+/* defined in lockmgr.c */
+extern void dbg_print_lock(FILE *fp);
+
+/*
+ * !!! WARNING !!!
+ *
+ * This function should be used ONLY after a violent signal. We walk through the
+ * JCR chain without locking, Bacula should not be running.
+ */
+static void dbg_print_bacula()
+{
+ char buf[512];
+
+ snprintf(buf, sizeof(buf), "%s/%s.%d.bactrace",
+ working_directory, my_name, (int)getpid());
+ FILE *fp = fopen(buf, "a+") ;
+ if (!fp) {
+ fp = stderr;
+ }
+
+ fprintf(stderr, "Dumping: %s\n", buf);
+
+ /* Print also B_DB and RWLOCK structure
+ * Can add more info about JCR with dbg_jcr_add_hook()
+ */
+ dbg_print_lock(fp);
+ dbg_print_jcr(fp);
+ dbg_print_plugin(fp);
+
+ if (fp != stderr) {
+#define direct_print
+#ifdef direct_print
+ if (prt_kaboom) {
+ rewind(fp);
+ printf("\n\n ==== bactrace output ====\n\n");
+ while (fgets(buf, (int)sizeof(buf), fp) != NULL) {
+ printf("%s", buf);
+ }
+ printf(" ==== End baktrace output ====\n\n");
+ }
+#else
+ if (prt_kaboom) {
+ char buf1[512];
+ printf("\n\n ==== bactrace output ====\n\n");
+ snprintf(buf1, sizeof(buf1), "/bin/cat %s", buf);
+ system(buf1);
+ printf(" ==== End baktrace output ====\n\n");
+ }
+#endif
+ fclose(fp);
+ }
+}
+
/*
* Handle signals here
*/
return;
}
already_dead++;
+ /* Don't use Emsg here as it may lock and thus block us */
if (sig == SIGTERM) {
-// Emsg1(M_TERM, -1, "Shutting down Bacula service: %s ...\n", my_name);
+ syslog(LOG_DAEMON|LOG_ERR, "Shutting down Bacula service: %s ...\n", my_name);
} else {
- Emsg2(M_FATAL, -1, _("Bacula interrupted by signal %d: %s\n"), sig, get_signal_name(sig));
+ fprintf(stderr, _("Bacula interrupted by signal %d: %s\n"), sig, get_signal_name(sig));
+ syslog(LOG_DAEMON|LOG_ERR,
+ _("Bacula interrupted by signal %d: %s\n"), sig, get_signal_name(sig));
}
#ifdef TRACEBACK
if (sig != SIGTERM) {
struct sigaction sigdefault;
- static char *argv[4];
+ static char *argv[5];
static char pid_buf[20];
static char btpath[400];
- char buf[100];
+ char buf[400];
pid_t pid;
int exelen = strlen(exepath);
argv[0] = btpath; /* path to btraceback */
argv[1] = exepath; /* path to exe */
argv[2] = pid_buf;
- argv[3] = (char *)NULL;
- fprintf(stderr, _("Calling: %s %s %s\n"), btpath, exepath, pid_buf);
+ argv[3] = (char *)working_directory;
+ argv[4] = (char *)NULL;
+ fprintf(stderr, _("Calling: %s %s %s %s\n"), btpath, exepath, pid_buf,
+ working_directory);
if (execv(btpath, argv) != 0) {
berrno be;
printf(_("execv: %s failed: ERR=%s\n"), btpath, be.bstrerror());
default: /* parent */
break;
}
+
/* Parent continue here, waiting for child */
sigdefault.sa_flags = 0;
sigdefault.sa_handler = SIG_DFL;
if (pid > 0) {
Dmsg0(500, "Doing waitpid\n");
waitpid(pid, NULL, 0); /* wait for child to produce dump */
- fprintf(stderr, _("Traceback complete, attempting cleanup ...\n"));
Dmsg0(500, "Done waitpid\n");
- exit_handler(sig); /* clean up if possible */
- Dmsg0(500, "Done exit_handler\n");
} else {
Dmsg0(500, "Doing sleep\n");
bmicrosleep(30, 0);
}
fprintf(stderr, _("It looks like the traceback worked ...\n"));
+ /* If we want it printed, do so */
+#ifdef direct_print
+ if (prt_kaboom) {
+ FILE *fd;
+ snprintf(buf, sizeof(buf), "%s/bacula.%s.traceback", working_directory, pid_buf);
+ fd = fopen(buf, "r");
+ if (fd != NULL) {
+ printf("\n\n ==== Traceback output ====\n\n");
+ while (fgets(buf, (int)sizeof(buf), fd) != NULL) {
+ printf("%s", buf);
+ }
+ fclose(fd);
+ printf(" ==== End traceback output ====\n\n");
+ }
+ }
+#else
+ if (prt_kaboom) {
+ snprintf(buf, sizeof(buf), "/bin/cat %s/bacula.%s.traceback", working_directory, pid_buf);
+ fprintf(stderr, "\n\n ==== Traceback output ====\n\n");
+ system(buf);
+ fprintf(stderr, " ==== End traceback output ====\n\n");
+ }
+#endif
+ /* print information about the current state into working/<file>.bactrace */
+ dbg_print_bacula();
}
#endif
-
exit_handler(sig);
+ Dmsg0(500, "Done exit_handler\n");
}
/*