int log_init(char *program_name, int size)
{
logdbg(stderr,"enter log_init\n");
log_name = program_name;
if (log_daemon) {
struct sigaction sa_old;
struct sigaction sa_new;
pid_t pid;
openlog(log_name, 0, LOG_DAEMON);
setlogmask (LOG_UPTO (LOG_DEBUG));
if (logarea_init(size)) {
syslog(LOG_ERR, "logarea init failed");
return -1;
}
pid = fork();
if (pid < 0) {
syslog(LOG_ERR, "starting logger failed");
exit(1);
} else if (pid) {
syslog(LOG_WARNING,
"iSCSI logger with pid=%d started!", pid);
return pid;
}
daemon_init();
/* flush on daemon's crash */
sa_new.sa_handler = (void*)catch_signal;
sigemptyset(&sa_new.sa_mask);
sa_new.sa_flags = 0;
sigaction(SIGSEGV, &sa_new, &sa_old );
sigaction(SIGTERM, &sa_new, &sa_old );
while(1) {
log_flush();
sleep(1);
if (log_stop_daemon)
break;
}
__log_close();
exit(0);
}
return 0;
}
int log_init(char *program_name, int size, int daemon, int debug)
{
is_daemon = daemon;
is_debug = debug;
logdbg(stderr,"enter log_init\n");
log_name = program_name;
if (is_daemon) {
struct sigaction sa_old;
struct sigaction sa_new;
pid_t pid;
openlog(log_name, 0, LOG_DAEMON);
setlogmask (LOG_UPTO (LOG_DEBUG));
if (logarea_init(size))
return 1;
pid = fork();
if (pid < 0) {
syslog(LOG_ERR, "starting logger failed\n");
exit(1);
} else if (pid) {
syslog(LOG_WARNING,
"Target daemon logger with pid=%d started!\n", pid);
return 0;
}
/* flush on daemon's crash */
sa_new.sa_handler = (void*)log_flush;
sigemptyset(&sa_new.sa_mask);
sa_new.sa_flags = 0;
sigaction(SIGSEGV, &sa_new, &sa_old );
while(1) {
log_flush();
sleep(1);
}
exit(0);
}
return 0;
}
