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|
#!/bin/bash
ioslay=
each_new_process()
{
while read pid _
do
read -N 10001000 procs < /sys/fs/cgroup/$group/cgroup.procs
set -- $procs
for pid in "$@"
do
if read comm < /proc/$pid/comm && [ "$comm" = 'Web Content' ]
then
set -- "$@" "$1"
fi
shift
done
if [ "$ioslay" ]
then
children=$(pgrep -P $ioslay)
if [ "$children" ]
then
kill $children
fi
wait $ioslay
fi
if [ $# -gt 0 ]
then
ioslay-firefox "$@" &
ioslay=$!
fi
done
}
get_uid()
{
(
if [ "$SUDO_USER" ]
then
IFS=:
set -- $(getent passwd "${SUDO_USER}") || return
echo $3
else
id -un
fi
)
}
#cgroup-show-each-new-process "$group" | grep --line-buffered 'Web Content' | each_new_process
# Really, could just check for any/first cgroup with processes and basename
# 'firefox'. Fork for each one.
vkill()
{
if [ $# = 0 ]
then
return
fi
(
set -x
ps u "$@"
sudo kill "$@"
)
}
uid=1000
group=user.slice/user-$uid.slice/firefox
wantcomm='Web Content'
ioslay=
lastprocs=
trap 'RECEIVED_SIGINT=y' SIGINT
while [ -z "$RECEIVED_SIGINT" ]
do
read -N 1000100 procs < /sys/fs/cgroup/$group/cgroup.procs
if [ "$procs" ]
then
set --
for pid in $procs
do
read comm < /proc/$pid/comm
if [ "$comm" = "$wantcomm" ]
then
set -- "$@" "$pid"
fi
done
# echo "pids: ($*|$(echo $procs))" >&2
if [ "$lastargs" != "$*" ]
then
[ -z "$ioslay" ] || vkill $ioslay $(pgrep -P $ioslay)
wait $ioslay
sudo ioslay-firefox "$@" &
ioslay=$!
fi
lastargs=$*
fi
sleep 1
done
|
