comm_signal_bind
int comm_signal_bind(struct comm_signal* comsig, int sig);
|| !comm_signal_bind(worker->comsig, SIGHUP)
|| !comm_signal_bind(worker->comsig, SIGQUIT)
|| !comm_signal_bind(worker->comsig, SIGTERM)
|| !comm_signal_bind(worker->comsig, SIGBREAK)
|| !comm_signal_bind(worker->comsig, SIGINT)) {
int comm_signal_bind(struct comm_signal* comsig, int sig);