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re-arrange stuff back the way it was, mostly. Fix pidfile generation.

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This commit is contained in:
Ron Pedde 2004-12-09 05:07:09 +00:00
parent 16c954fdf4
commit c2b27f1836
1 changed files with 28 additions and 54 deletions
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82
src/main.c
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@ -689,6 +689,9 @@ int main(int argc, char *argv[]) {
int force_non_root=0;
pthread_t signal_tid;
int pid_fd;
FILE *pid_fp;
config.use_mdns=1;
err_debuglevel=1;
@ -750,27 +753,31 @@ int main(int argc, char *argv[]) {
exit(EXIT_FAILURE);
}
if((config.logfile) && (!parseonly) && (!foreground)) {
err_setdest(config.logfile,LOGDEST_LOGFILE);
} else {
if(!foreground) {
err_setdest("mt-daapd",LOGDEST_SYSLOG);
#ifndef WITHOUT_MDNS
if((config.use_mdns) && (!parseonly)) {
DPRINTF(E_LOG,L_MAIN,"Starting rendezvous daemon\n");
if(rend_init(config.runas)) {
DPRINTF(E_FATAL,L_MAIN|L_REND,"Error in rend_init: %s\n",strerror(errno));
}
}
#endif
/* DWB: shouldn't this be done after dropping privs? */
if(db_open(config.dbdir, reload)) {
if(db_open(config.dbdir, reload))
DPRINTF(E_FATAL,L_MAIN|L_DB,"Error in db_open: %s\n",strerror(errno));
/* open the pidfile, so it can be written once we detach */
if(!foreground) {
if(-1 == (pid_fd = open(PIDFILE,O_CREAT | O_WRONLY | O_TRUNC, 0644)))
DPRINTF(E_FATAL,L_MAIN,"Error opening pidfile (%s): %s\n",PIDFILE,strerror(errno));
if(0 == (pid_fp = fdopen(pid_fd, "w")))
DPRINTF(E_FATAL,L_MAIN,"fdopen: %s\n",strerror(errno));
}
/* DWB: we want to detach before we drop privs so the pid file can
be created with the original permissions. This has the
drawback that there's a bit less error checking done while
we're attached, but if is much better when being automatically
started as a system service. */
if(!foreground) {
write_pid_file();
// Drop privs here
if(drop_privs(config.runas)) {
DPRINTF(E_FATAL,L_MAIN,"Error in drop_privs: %s\n",strerror(errno));
}
/* block signals and set up the signal handling thread */
@ -792,35 +799,23 @@ int main(int argc, char *argv[]) {
exit(EXIT_SUCCESS);
}
/* Initialize the database before starting */
DPRINTF(E_LOG,L_MAIN|L_DB,"Initializing database\n");
if(db_init()) {
DPRINTF(E_FATAL,L_MAIN|L_DB,"Error in db_init: %s\n",strerror(errno));
}
/* Wait as long as we can to detach */
if(!foreground) {
daemon_start();
}
/* Have to do rend_init after daemon_start, to avoid closing
* the pipe */
#ifndef WITHOUT_MDNS
if((config.use_mdns) && (!parseonly)) {
DPRINTF(E_LOG,L_MAIN,"Starting rendezvous daemon\n");
if(rend_init(config.runas)) {
DPRINTF(E_FATAL,L_MAIN|L_REND,"Error in rend_init: %s\n",strerror(errno));
if(config.logfile) {
err_setdest(config.logfile,LOGDEST_LOGFILE);
} else {
err_setdest("mt-daapd",LOGDEST_SYSLOG);
}
daemon_start();
fprintf(pid_fp,"%d\n",getpid());
fclose(pid_fp);
}
#endif
// Drop privs here
if(drop_privs(config.runas)) {
DPRINTF(E_FATAL,L_MAIN,"Error in drop_privs: %s\n",strerror(errno));
}
DPRINTF(E_LOG,L_MAIN|L_SCAN,"Starting mp3 scan\n");
if(scan_init(config.mp3dir)) {
@ -926,24 +921,3 @@ int main(int argc, char *argv[]) {
return EXIT_SUCCESS;
}
/**
* Dump a pidfile in the file specified by PIDFILE
*/
void write_pid_file(void) {
FILE* fp;
int fd;
/* use open/fdopen instead of fopen for more control over the file
permissions */
if(-1 == (fd = open(PIDFILE, O_CREAT | O_WRONLY | O_TRUNC, 0644)))
return;
if(0 == (fp = fdopen(fd, "w")))
{
close(fd);
return;
}
fprintf(fp, "%d\n", getpid());
fclose(fp);
}