It can take some time for Xorg to start. If Xorg runs as a systemd
service and other services are based on it, they have no way to
determine when Xorg is really ready to accept requests. Let's use
sd_notify() provided by libsystemd to signal systemd for readiness.
If Xorg has not been started as a systemd service, this won't do
anything.
Signed-off-by: Topi Miettinen <toiwoton@gmail.com>
The X server accepts requests from client applications to create windows,
which are (normally rectangular) "virtual screens" that the client program
can draw into.
Windows are then composed on the actual screen by the X server
(or by a separate composite manager) as directed by the window manager,
which usually communicates with the user via graphical controls such as buttons
and draggable titlebars and borders.
As with other projects hosted on freedesktop.org, X.Org follows its
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yourself in a respectful and civilized manner when using the above
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