1 /* Copyright (C) 2009, Martin Johansson <martin@fatbob.nu>
2 Copyright (C) 2005-2009, Thorvald Natvig <thorvald@natvig.com>
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions
10 - Redistributions of source code must retain the above copyright notice,
11 this list of conditions and the following disclaimer.
12 - Redistributions in binary form must reproduce the above copyright notice,
13 this list of conditions and the following disclaimer in the documentation
14 and/or other materials provided with the distribution.
15 - Neither the name of the Developers nor the names of its contributors may
16 be used to endorse or promote products derived from this software without
17 specific prior written permission.
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
23 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 #include <sys/types.h>
50 void lockfile(const char *pidfile)
55 lfp = open(pidfile, O_RDWR|O_CREAT, 0640);
58 Log_fatal("Cannot open PID-file %s for writing", pidfile);
59 sprintf(str,"%d\n", getpid());
60 write(lfp, str, strlen(str)); /* record pid to lockfile */
61 Log_info("PID-file: %s", pidfile);
65 void signal_handler(int sig)
70 Log_info("HUP signal");
73 Log_info("TERM signal. Shutting down.");
84 return; /* already a daemon */
87 fprintf(stderr, "Fork error. Exiting\n");
88 exit(1); /* fork error */
91 exit(0); /* parent exits */
93 /* child (daemon) continues */
94 setsid(); /* obtain a new process group */
95 for (i = getdtablesize(); i >= 0; --i)
96 close(i); /* close all descriptors */
98 i = open("/dev/null",O_RDWR);
102 umask(027); /* set newly created file permissions */
110 struct sched_param sp;
112 sp.sched_priority = sched_get_priority_min(SCHED_RR); /* Should suffice */
113 Log_info("Setting SCHED_RR prio %d", sp.sched_priority);
114 rc = sched_setscheduler(0, SCHED_RR, &sp);
116 Log_warn("Failed to set scheduler: %s", strerror(errno));
121 printf("uMurmur version %s. Mumble protocol %d.%d.%d\n", UMURMUR_VERSION, PROTVER_MAJOR, PROTVER_MINOR, PROTVER_PATCH);
122 printf("Usage: umurmurd [-d] [-p <pidfile>] [-c <conf file>] [-h]\n");
123 printf(" -d - Do not deamonize\n");
124 printf(" -p <pidfile> - Write PID to this file\n");
125 printf(" -c <conf file> - Specify configuration file\n");
126 printf(" -r - Run with realtime priority\n");
127 printf(" -h - Print this help\n");
131 int main(int argc, char **argv)
133 bool_t nodaemon = false;
134 bool_t realtime = false;
135 char *conffile = NULL, *pidfile = NULL;
139 while ((c = getopt(argc, argv, "drp:c:h")) != EOF) {
157 fprintf(stderr, "Unrecognized option\n");
163 if (Conf_init(conffile) != 0) {
164 fprintf(stderr, "Configuration error\n");
177 signal(SIGCHLD, SIG_IGN); /* ignore child */
178 signal(SIGTSTP, SIG_IGN); /* ignore tty signals */
179 signal(SIGTTOU, SIG_IGN);
180 signal(SIGTTIN, SIG_IGN);
181 signal(SIGHUP, signal_handler); /* catch hangup signal */
182 signal(SIGTERM, signal_handler); /* catch kill signal */