In order to support compositors running as systemd user units without display manager,
a mechanism for specifying session ID exactly must exist.
Checking for `XDG_SESSION_ID` mimics loginctl behaviour
|
||
|---|---|---|
| .. | ||
| direct-freebsd.c | ||
| direct-ipc.c | ||
| direct.c | ||
| logind.c | ||
| noop.c | ||
| session.c | ||