}
}
+void do_nothing(int signum)
+{
+}
+
CubemapStateProto collect_state(const timeval &serialize_start,
const vector<Acceptor *> acceptors,
const multimap<string, InputWithRefcount> inputs,
{
signal(SIGHUP, hup);
signal(SIGINT, hup);
+ signal(SIGUSR1, do_nothing); // Used in internal signalling.
signal(SIGPIPE, SIG_IGN);
// Parse options.