arc/setup/init/arcpp-media-sharing-services.conf

# Copyright 2023 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

description    "Job to start ARC++ services to share media files like MyFiles"
author         "chromium-os-dev@chromium.org"

stop on stop-arc-instance or stopping ui

# Default score for Android system processes.
oom score -100

# Export for arc-myfiles* and arc-removable-media-full.
import IS_ANDROID_CONTAINER_RVC
export IS_ANDROID_CONTAINER_RVC
import MEDIA_PROVIDER_UID
export MEDIA_PROVIDER_UID

pre-start script
  MOUNT_POINTS="/run/arc/media/MyFiles \
                /run/arc/media/MyFiles-default \
                /run/arc/media/MyFiles-read \
                /run/arc/media/MyFiles-write \
                /run/arc/media/removable \
                /run/arc/media/removable-default \
                /run/arc/media/removable-read \
                /run/arc/media/removable-write"

  if [ "${IS_ANDROID_CONTAINER_RVC}" = "true" ]; then
    # Verify input string provided by chronos. See crbug/1414511.
    if ! expr "${MEDIA_PROVIDER_UID}" : "^[0-9]\+$" > /dev/null; then
      logger -t "${UPSTART_JOB}" \
        "Invalid MEDIA_PROVIDER_UID: ${MEDIA_PROVIDER_UID}"
      exit 1
    fi
    MOUNT_POINTS="${MOUNT_POINTS} \
                  /run/arc/media/MyFiles-full \
                  /run/arc/media/removable-full"
  fi

  # Wait for the mount points to appear up to 5 seconds.
  elapsed_millisecs=0
  for mount_point in ${MOUNT_POINTS}; do
    while ! mountpoint -q "${mount_point}"; do
      if status | grep -q stop; then
        exit 0
      fi
      if [ "${elapsed_millisecs}" -ge 5000 ]; then
        logger -t "${UPSTART_JOB}" "Timed out while waiting for ${mount_point}"
        exit 1
      fi
      sleep 0.1
      elapsed_millisecs=$((elapsed_millisecs+10))
    done
  done
end script