Running systemd service synchronously / in foreground

I would like to replace my Xsession with my custom program (kiosk-like setup), previously I was just setting STARTUP variable in my .xsessionrc file like: STARTUP='/path/to/my/program' Now I want to wrap my program as a systemd service to utilize some systemd features like journal logging, configurable automatic restarts, etc. As with previous setup I would prefer to avoid to run 3rd-party session and window managers, but I still have to run something to keep session active, so I've used: STARTUP='systemd-run --user --scope /path/to/my/program' However it's still not a convenient systemd unit and finally I've ended up with: STARTUP='systemd-run --user --scope --unit my-session sleep inf' and defined a service unit for my program to run: [Unit] Description=My service BindsTo=my-session.scope Requisite=my-session.scope After=my-session.scope [Service] Type=exec ExecStart=/path/to/my/program Restart=always [Install] WantedBy=my-session.scope In general this setup works like a charm however relying on scope name that is generated on the fly seems clunky for me and moreover sometimes it's required to do implicit cleanup on session restart like: systemctl reset-failed my.service my-session.scope because systemd complains that my-session.scope already exists. So, I'm looking for a way to run systemd service synchronously as systemd-run --scope does but same time re-using existing unit file and not generating one on the fly. P.S.: I've tried following approach but it doesnt work correctly (interrupting systemctl doesnt interrupt the service managed): systemctl start --wait my-session.target