Use send/sendmsg and don't ignore SIGPIPE

src/main.cpp

@@ -264,7 +264,6 @@ int main(int argc, char *argv[]) {
   g_server = server.get();
 
   // Setup signal handling
-  std::signal(SIGPIPE, SIG_IGN);
   std::signal(SIGTERM, signal_handler);
   std::signal(SIGINT, signal_handler);