82b32b997c
While this is obvious if you spend a few minutes thinking about how D-Bus signals work (in this case, they are broadcast from a system service, so cannot apply to a specific user/session/seat), it’s a bit easy to overlook this while putting code together which uses the login1 D-Bus API, so it’s helpful to point this hazard out specifically in the docs. The signals can only be emitted on the canonical objects. The convenience objects are useful for method calls, as the calling context can be used to dereference ‘self’ and ‘auto’, but this can’t work for signals. Signed-off-by: Philip Withnall <pwithnall@gnome.org>
System and Service Manager
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