vlg_sig_info(vlg, "SIG[%d]: %s\n", s_ig_num, strsignal(s_ig_num));
vlg_sig_warn(vlg, "SIG[%d]: %s\n", s_ig_num, strsignal(s_ig_num));
static void opt_serv__sig_raise_cont(int s_ig_num){  struct sigaction sa;    if (sigemptyset(&sa.sa_mask) == -1)    err(EXIT_FAILURE, "signal init");  sa.sa_flags   = SA_RESTART;  sa.sa_handler = SIG_DFL;  OPT_SERV__SIG_OR_ERR(s_ig_num);  vlg_sig_info(vlg, "SIG[%d]: %s\n", s_ig_num, strsignal(s_ig_num));  raise(s_ig_num);}