2 * This file is part of DisOrder
3 * Copyright (C) 2005, 2007, 2008 Richard Kettlewell
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
30 #include <sys/types.h>
36 #include "configuration.h"
44 #include "trackdb-int.h"
47 static const struct option options[] = {
48 { "help", no_argument, 0, 'h' },
49 { "version", no_argument, 0, 'V' },
50 { "config", required_argument, 0, 'c' },
51 { "debug", no_argument, 0, 'd' },
52 { "no-debug", no_argument, 0, 'D' },
53 { "syslog", no_argument, 0, 's' },
54 { "no-syslog", no_argument, 0, 'S' },
58 /* display usage message and terminate */
59 static void help(void) {
61 " disorder-deadlock [OPTIONS]\n"
63 " --help, -h Display usage message\n"
64 " --version, -V Display version number\n"
65 " --config PATH, -c PATH Set configuration file\n"
66 " --debug, -d Turn on debugging\n"
67 " --[no-]syslog Force logging\n"
69 "Deadlock manager for DisOrder. Not intended to be run\n"
75 int main(int argc, char **argv) {
76 int n, err, aborted, logsyslog = !isatty(2);
79 if(!setlocale(LC_CTYPE, "")) fatal(errno, "error calling setlocale");
80 while((n = getopt_long(argc, argv, "hVc:dDSs", options, 0)) >= 0) {
83 case 'V': version("disorder-deadlock");
84 case 'c': configfile = optarg; break;
85 case 'd': debugging = 1; break;
86 case 'D': debugging = 0; break;
87 case 'S': logsyslog = 0; break;
88 case 's': logsyslog = 1; break;
89 default: fatal(0, "invalid option");
93 openlog(progname, LOG_PID, LOG_DAEMON);
94 log_default = &log_syslog;
96 if(config_read(0)) fatal(0, "cannot read configuration");
98 trackdb_init(TRACKDB_NO_RECOVER);
99 while(getppid() != 1) {
100 if((err = trackdb_env->lock_detect(trackdb_env,
104 fatal(0, "trackdb_env->lock_detect: %s", db_strerror(err));
106 D(("aborted %d lock requests", aborted));
109 /* if our parent goes away, it's time to stop */
110 info("stopped (parent terminated)");