#!/bin/sh -e
#
# NVIDIA Grid Daemon Init Script
#
# Copyright (c) 2015 NVIDIA Corporation
#
# All rights reserved.  All information contained herein is proprietary and
# confidential to NVIDIA Corporation.  Any use, reproduction, or disclosure
# without the written permission of NVIDIA Corporation is prohibited.
#
# chkconfig: 2345 99 01
# description: Starts and stops the NVIDIA Grid Daemon
# processname: nvidia-gridd
#
### BEGIN INIT INFO
# Provides:         nvidia-gridd
# Required-Start:   $ALL
# Required-Stop:    $ALL
# Default-Start:    2 3 4 5
# Default-Stop:     0 1 6
# Description:      Starts and stops the NVIDIA Grid Daemon
### END INIT INFO


NVGD=nvidia-gridd
NVGD_BIN=/usr/bin/${NVGD}
NVGD_RUNTIME=/var/run/${NVGD}
NVGD_PIDFILE=${NVGD_RUNTIME}/${NVGD}.pid
export LD_LIBRARY_PATH=/usr/lib/nvidia/gridd

if [ -f ${NVGD_PIDFILE} ]; then
  read -r NVGD_PID < "${NVGD_PIDFILE}"
  # Remove stale runtime files
  if [ "${NVGD_PID}" ] && [ ! -d /proc/${NVGD_PID} ]; then
    unset NVGD_PID
    rm -rf "${NVGD_RUNTIME}"
  fi
fi

case "${1}" in
  start)
      echo "Starting NVIDIA Grid Daemon"

      # Execute the daemon
      ${NVGD_BIN}
      ;;
  stop)
      echo "Stopping NVIDIA Grid Daemon"

      # Stop the daemon - its PID should have been read in
      [ ! -z "${NVGD_PID}" ] && kill ${NVGD_PID} &> /dev/null
      ;;
  restart)
      $0 stop
      sleep 2
      $0 start
      ;;
  *) echo "usage: $0 {start|stop|restart}"
esac
exit 0