signal_handler
ssh_signal(SIGHUP, signal_handler);
ssh_signal(SIGINT, signal_handler);
ssh_signal(SIGQUIT, signal_handler);
ssh_signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
static void signal_handler(int);
signal(SIGINT, signal_handler);
signal(SIGALRM, signal_handler);
sa.sa_handler = signal_handler;
if (signal(SIGHUP, signal_handler) == SIG_ERR)
if (signal(SIGPIPE, signal_handler) == SIG_ERR)
if (signal(SIGHUP, signal_handler) == SIG_ERR)
if (signal(SIGALRM, signal_handler) == SIG_ERR) {