poky/meta/recipes-graphics/wayland/weston-init/weston.service

# This is a system unit for launching Weston with auto-login as the
# user configured here.
#
# Weston must be built with systemd support, and your weston.ini must load
# the plugin systemd-notify.so.
[Unit]
Description=Weston, a Wayland compositor, as a system service
Documentation=man:weston(1) man:weston.ini(5)
Documentation=http://wayland.freedesktop.org/

# Make sure we are started after logins are permitted.
Requires=systemd-user-sessions.service
After=systemd-user-sessions.service

# If Plymouth is used, we want to start when it is on its way out.
After=plymouth-quit-wait.service

# D-Bus is necessary for contacting logind. Logind is required.
Wants=dbus.socket
After=dbus.socket

# Ensure the socket is present
Requires=weston.socket

# Since we are part of the graphical session, make sure we are started before
# it is complete.
Before=graphical.target

# Prevent starting on systems without virtual consoles, Weston requires one
# for now.
ConditionPathExists=/dev/tty0

[Service]
# Requires systemd-notify.so Weston plugin.
Type=notify
EnvironmentFile=/etc/default/weston
ExecStart=/usr/bin/weston --modules=systemd-notify.so

# Optional watchdog setup
TimeoutStartSec=60
WatchdogSec=20

# The user to run Weston as.
User=weston
Group=weston

# Make sure the working directory is the users home directory
WorkingDirectory=/home/weston

# Set up a full user session for the user, required by Weston.
PAMName=weston-autologin

# A virtual terminal is needed.
TTYPath=/dev/tty7
TTYReset=yes
TTYVHangup=yes
TTYVTDisallocate=yes

# Fail to start if not controlling the tty.
StandardInput=tty-fail
StandardOutput=journal
StandardError=journal

# Log this user with utmp, letting it show up with commands 'w' and 'who'.
UtmpIdentifier=tty7
UtmpMode=user

[Install]
# Note: If you only want weston to start on-demand, remove this line with a
# service drop file
WantedBy=graphical.target