Notify systemd that the service is started

Author: Eeems

libs/rm2fb/Server.cpp

@@ -288,7 +288,9 @@ serverMain(int argc, char* argv[], char** envp) { // NOLINT
   const auto fixedFdNum = 1 + (tcpFd.has_value() ? 1 : 0);
   std::vector<pollfd> pollfds;
 
+  sd_notify(0, "READY=1");
   std::cout << "rm2fb-server started!\n";
+
   while (running) {
     pollfds.clear();
     pollfds.reserve(tcpClients.size() + fixedFdNum);

libs/rm2fb/rm2fb.service

@@ -4,8 +4,10 @@ StartLimitIntervalSec=600
 StartLimitBurst=4
 Before=xochitl.service launcher.service remarkable-reboot.service remarkable-shutdown.service
 After=opt.mount
+ConditionFileNotEmpty=/opt/lib/librm2fb_server.so
 
 [Service]
+Type=notify
 Restart=on-failure
 RestartSec=5
 ExecStart=/usr/bin/xochitl