int daemon_start(int argc, char **argv){
if(!myconfig_get_intval("foreground", 0)) {
printf("Switching to background\n");
if(getppid() != 1)
daemon(1, 1);
}
struct sigaction sa;
sigset_t sset;
memset(&sa, 0, sizeof(sa));
sa.sa_handler = sigterm_handler;
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
sigaction(SIGQUIT, &sa, NULL);
sa.sa_handler = nop_handler;
sigaction(SIGIO, &sa, NULL);
sigaction(SIGALRM, &sa, NULL);
sa.sa_handler = sighup_handler;
sigaction(SIGHUP, &sa, NULL);
sa.sa_handler = reload_handler;
sigaction(SIGUSR1, &sa, NULL);
signal(SIGPIPE, SIG_IGN);
signal(SIGXFSZ, SIG_IGN);
signal(SIGCHLD, SIG_DFL);
sigemptyset(&sset);
sigaddset(&sset, SIGSEGV);
sigaddset(&sset, SIGBUS);
sigaddset(&sset, SIGABRT);
sigaddset(&sset, SIGILL);
sigaddset(&sset, SIGCHLD);
sigaddset(&sset, SIGFPE);
sigaddset(&sset, SIGHUP);
sigaddset(&sset, SIGTERM);
sigaddset(&sset, SIGINT);
sigaddset(&sset, SIGQUIT);
sigprocmask(SIG_UNBLOCK, &sset, &sset);
arg_start = argv[0];
arg_end = argv[argc - 1] + strlen(argv[argc - 1]) + 1;
env_start = environ[0];
dup_argv(argc, argv);
if(progname == NULL || saved_argv == NULL) {
printf("can't resolve executable path, restart not support\n");
signal(SIGHUP, sigterm_handler);
}
return 0;
}
errno_t uu_proc_setargs( int pid, const char **av, const char **env )
{
errno_t r = 0;
hal_mutex_lock(&proc_lock);
uuprocess_t * u = proc_by_pid(pid);
if( u )
{
if(u->argv) free_argv(u->argv);
if(u->envp) free_argv(u->envp);
u->argv = dup_argv( &u->argc, av, 0 );
u->envp = dup_argv( 0, env, 0 );
flatten_argv( u->cmd, MAX_UU_CMD, u->argv );
}
else
r = ESRCH;
hal_mutex_unlock(&proc_lock);
return r;
}
int daemon_start (int argc, char** argv)
{
struct sigaction sa;
sigset_t sset;
const char *style;
rlimit_reset ();
memset(&sa, 0, sizeof(sa));
sa.sa_handler = sigterm_handler;
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
sigaction(SIGQUIT, &sa, NULL);
sa.sa_handler = sighup_handler;
sigaction(SIGHUP, &sa, NULL);
signal(SIGPIPE,SIG_IGN);
signal(SIGCHLD,SIG_IGN);
sigemptyset(&sset);
sigaddset(&sset, SIGSEGV);
sigaddset(&sset, SIGBUS);
sigaddset(&sset, SIGABRT);
sigaddset(&sset, SIGILL);
sigaddset(&sset, SIGCHLD);
sigaddset(&sset, SIGFPE);
sigprocmask(SIG_UNBLOCK, &sset, &sset);
arg_start = argv[0];
arg_end = argv[argc-1] + strlen (argv[argc - 1]) + 1;
env_start = environ[0];
dup_argv(argc, argv);
style = config_get_strval ("run_mode");
if (!style || !strcasecmp ("background", style)) {
daemon (1, 1);
backgd_mode = 1;
BOOT_LOG (0, "switch to daemon mode");
}
return 0;
}
