rgbkbd/init/rgbkbd.conf

# Copyright 2022 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

description     "Chrome OS RGB Keyboard service"
author          "chromium-os-dev@chromium.org"

# This is started by D-Bus service activation through
# org.chromium.Rgbkbd.service
stop on stopping system-services
respawn
# If the service restarts 10 times in 5 seconds, stop trying.
respawn limit 10 5

# Specify that program is potentially expected to exit with return code 0
normal exit 0

# Minijail actually forks off the desired process.
expect fork

# Make it killable.
oom score -100
# Let the daemon crash if it grows too much. "as" for "address space".
# TODO(michaelcheco): Check memory usage after some development. Currently set
# to 100 MB.
limit as 100000000 unlimited

script
  OPTIONAL_ARGS=""

  # Make bind-mounting croc_ec optional as the file does not exist on some
  # platforms, notably betty.
  if [ -e "/dev/cros_ec" ]; then
    OPTIONAL_ARGS="${OPTIONAL_ARGS} -b /dev/cros_ec"
  fi

  exec minijail0 --config /usr/share/minijail/rgbkbd.conf \
      ${OPTIONAL_ARGS} \
      -- /usr/sbin/rgbkbd
end script

post-start exec minijail0 -u rgbkbd -g rgbkbd /usr/bin/gdbus \
    wait --system --timeout 15 org.chromium.Rgbkbd