diff options
Diffstat (limited to 'sh/rc-cgroup.sh.in')
| -rw-r--r-- | sh/rc-cgroup.sh.in | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sh/rc-cgroup.sh.in b/sh/rc-cgroup.sh.in index 449c1d3..c057fc8 100644 --- a/sh/rc-cgroup.sh.in +++ b/sh/rc-cgroup.sh.in @@ -1,6 +1,7 @@ #!@SHELL@ # Copyright (c) 2012 Alexander Vershilov <qnikst@gentoo.org> # Released under the 2-clause BSD license. +extra_stopped_commands="${extra_stopped_commands} cgroup_cleanup" cgroup_find_path() { @@ -15,6 +16,21 @@ cgroup_find_path() echo $result } +cgroup_get_pids() +{ + local p + pids= + while read p; do + [ $p -eq $$ ] || $pids="${pids} ${p}" + done < /sys/fs/cgroup/openrc/${RC_SVCNAME}/tasks + [ -n "$pids" ] +} + +cgroup_running() +{ + [ -d "/sys/fs/cgroup/openrc/${RC_SVCNAME}" ] +} + cgroup_set_values() { [ -n "$1" -a -n "$2" -a -d "/sys/fs/cgroup/$1" ] || return 0 @@ -86,3 +102,22 @@ cgroup_set_limits() return 0 } + +cgroup_cleanup() +{ + yesno "${rc_cgroup_cleanup:-no}" && cgroup_running || return 0 + ebegin "starting cgroups cleanup" + for sig in TERM QUIT INT; do + cgroup_get_pids || { eend 0 "finished" ; return 0 ; } + for i in 0 1; do + kill -s $sig $pids + for j in 0 1 2; do + cgroup_get_pids || { eend 0 "finished" ; return 0 ; } + sleep 1 + done + done + done + cgroup_get_pids || { eend 0 "finished" ; return 0; } + kill -9 $pids + eend $(cgroup_running && echo 1 || echo 0) "fail to stop all processes" +} |