gistfile1.txt

#!/bin/bash


DIR=$(dirname $(readlink -f $0))
BINARY=${DIR}/wkhtmltoimage-i386
OPTIONS=''
SCRIPT="${BINARY} ${OPTIONS} $1 $2"

TIMEOUT=$3


# run $command in background, sleep for our timeout then kill the process if it is running
# $! has the pid of the backgrounded job
$SCRIPT   &
cmd_pid=$!

# sleep for our timeout then kill the process if it is running
( sleep $TIMEOUT && kill -9  $cmd_pid && echo "ERROR - killed $command due to timeout $sleep_time exceeded" ) &
killer_pid=$!

# 'wait' for cmd_pid to complete normally.  If it does before the timeout is reached, then
# the status will be zero.  If the killer_pid terminates it, then it will have a non-zero
# exit status
wait $cmd_pid &> /dev/null
wait_status=$?

echo $wait_status

disown $killer_pid
kill -9 $killer_pid &> /dev/null
exit $wait_status