chiark / gitweb /
Remove some obsolete code
[disorder] / server / deadlock.c
CommitLineData
460b9539 1/*
2 * This file is part of DisOrder
5aff007d 3 * Copyright (C) 2005, 2007, 2008 Richard Kettlewell
460b9539 4 *
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.
9 *
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.
14 *
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
18 * USA
19 */
20
21#include <config.h>
22#include "types.h"
23
24#include <getopt.h>
25#include <stdio.h>
26#include <stdlib.h>
27#include <db.h>
28#include <locale.h>
29#include <errno.h>
30#include <sys/types.h>
31#include <unistd.h>
32#include <pcre.h>
33#include <string.h>
34#include <syslog.h>
35
36#include "configuration.h"
37#include "syscalls.h"
38#include "log.h"
39#include "defs.h"
40#include "mem.h"
41#include "kvp.h"
5df73aeb 42#include "rights.h"
460b9539 43#include "trackdb.h"
44#include "trackdb-int.h"
3fbdc96d 45#include "version.h"
460b9539 46
47static 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' },
0ca6d097
RK
53 { "syslog", no_argument, 0, 's' },
54 { "no-syslog", no_argument, 0, 'S' },
460b9539 55 { 0, 0, 0, 0 }
56};
57
58/* display usage message and terminate */
59static void help(void) {
60 xprintf("Usage:\n"
61 " disorder-deadlock [OPTIONS]\n"
62 "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"
0ca6d097 67 " --[no-]syslog Force logging\n"
460b9539 68 "\n"
69 "Deadlock manager for DisOrder. Not intended to be run\n"
70 "directly.\n");
71 xfclose(stdout);
72 exit(0);
73}
74
460b9539 75int main(int argc, char **argv) {
0ca6d097 76 int n, err, aborted, logsyslog = !isatty(2);
460b9539 77
78 set_progname(argv);
460b9539 79 if(!setlocale(LC_CTYPE, "")) fatal(errno, "error calling setlocale");
0ca6d097 80 while((n = getopt_long(argc, argv, "hVc:dDSs", options, 0)) >= 0) {
460b9539 81 switch(n) {
82 case 'h': help();
3fbdc96d 83 case 'V': version("disorder-deadlock");
460b9539 84 case 'c': configfile = optarg; break;
85 case 'd': debugging = 1; break;
86 case 'D': debugging = 0; break;
0ca6d097
RK
87 case 'S': logsyslog = 0; break;
88 case 's': logsyslog = 1; break;
460b9539 89 default: fatal(0, "invalid option");
90 }
91 }
0ca6d097 92 if(logsyslog) {
460b9539 93 openlog(progname, LOG_PID, LOG_DAEMON);
94 log_default = &log_syslog;
95 }
c00fce3a 96 if(config_read(0)) fatal(0, "cannot read configuration");
460b9539 97 info("started");
d25c4615 98 trackdb_init(TRACKDB_NO_RECOVER);
460b9539 99 while(getppid() != 1) {
100 if((err = trackdb_env->lock_detect(trackdb_env,
101 0,
102 DB_LOCK_DEFAULT,
103 &aborted)))
104 fatal(0, "trackdb_env->lock_detect: %s", db_strerror(err));
105 if(aborted)
106 D(("aborted %d lock requests", aborted));
107 sleep(1);
108 }
109 /* if our parent goes away, it's time to stop */
110 info("stopped (parent terminated)");
111 return 0;
112}
113
114/*
115Local Variables:
116c-basic-offset:2
117comment-column:40
118fill-column:79
119indent-tabs-mode:nil
120End:
121*/