#!/bin/bash

# $1 = num of /dev/videoX

VIDEODEV=/dev/video$1


# process invulnerability to invocation of the FUCKING KILLER
SPAWNPROTECT=2

#echo "Attempting to kill $VIDEODEV..."|logger -t $0

PROCNUM=`lsof -X |grep $VIDEODEV|tr -s ' ' |cut -d ' ' -f 2|head -n 1`

echo Called from PPID=$PPID on $PROCNUM|logger -t $0

if [ "$PROCNUM" == "" ]; then
  echo "Nothing to kill."|logger -t $0
  exit 0
fi

PROCAGE=`expr $(date +"%s") - $(stat -c%X /proc/$PROCNUM)`
if [ $PROCAGE -lt $SPAWNPROTECT ]; then
  echo "Not killing $PROCNUM (age $PROCAGE seconds), too young."|logger -t $0
  exit 0
fi

echo "Killing $PROCNUM (age $PROCAGE seconds) on $VIDEODEV..."|logger -t $0
kill $PROCNUM
sleep 1
exit 0



#if [ ! -c $VIDEODEV ]; then
#  echo "Cannot find char device '$VIDEODEV'. Assuming not existing."
#  exit 0
#fi
#
#/bin/shad/killopenport $VIDEODEV 2>&1 |logger -t webcamkill