参数1:进程ID

参数2: 等待时间 (秒)

pid=$1
count=$2
n=0
if [ ! -n $count ];then
count=10
fi

while [[ $n -lt $count ]]
do
let "n++"
kill -0 $pid
if [ $? -ne 0 ]
then
echo "program not exist"
break
else
echo "send kill -15 to $pid"
kill -15 $pid
sleep 1
fi
if [[ $n -eq $count ]]
then
echo "kill -9 $pid"
# after 10s , try to send kill -9
kill -9 $pid
fi
done