[systemd-devel] systemctl --user user can't restart their own service?

[Michael Chapman]

On Sat, 18 Nov 2017, Jeff Solomon wrote:
> When I run:
>
>   systemctl --user daemon-reexec
>
> I see that the daemon gets a --deserialize flag in it command line on "top"
> but the PID is not any different. I guess I don't need the PID to change if
> the process picks up any changes to its unit file.

The systemd process simply reexecutes itself. It doesn't fork, so it 
doesn't get a new PID.

> I would want to use this command for exactly the reason you specify
> Michael. The user at .service file might change and we want to make use of it
> immediately. Also, we're only using lingering, so logging out and in
> doesn't apply to us.

This won't pick up changes to the user at .service unit loaded into the 
system-wide systemd instance. There shouldn't be any reason to change 
this unit.