logv
logv("sending signal %s(%d) to command '%s'",
logv("signaled %u processes", rk.killed);
logv("sending signal %s(%d) to command '%s'",
logv("killing self with signal %s(%d)", sys_signame[signo], signo);
logv("child terminated: pid=%d, "
logv("collected zombie: pid=%d, "
logv("time limit reached or received SIGALRM");
logv("received terminating signal %s(%d)",
logv("received signal %s(%d)", sys_signame[sig], sig);