diff options
-rw-r--r-- | etc/rc.conf | 29 | ||||
-rw-r--r-- | sh/rc-cgroup.sh.in | 13 |
2 files changed, 34 insertions, 8 deletions
diff --git a/etc/rc.conf b/etc/rc.conf index d9ad911d..b7296d35 100644 --- a/etc/rc.conf +++ b/etc/rc.conf @@ -277,10 +277,33 @@ rc_tty_number=12 # Set this to YES if you want all of the processes in a service's cgroup # killed when the service is stopped or restarted. -# This should not be set globally because it kills all of the service's -# child processes, and most of the time this is undesirable. Please set -# it in /etc/conf.d/<service>. +# Be aware that setting this to yes means all of a service's +# child processes will be killed. Keep this in mind if you set this to +# yes here instead of for the individual services in +# /etc/conf.d/<service>. # To perform this cleanup manually for a stopped service, you can # execute cgroup_cleanup with /etc/init.d/<service> cgroup_cleanup or # rc-service <service> cgroup_cleanup. +# The process followed in this cleanup is the following: +# 1. send stopsig (sigterm if it isn't set) to all processes left in the +# cgroup immediately followed by sigcont. +# 2. Send sighup to all processes in the cgroup if rc_send_sighup is +# yes. +# 3. delay for rc_timeout_stopsec seconds. +# 4. send sigkill to all processes in the cgroup unless disabled by +# setting rc_send_sigkill to no. # rc_cgroup_cleanup="NO" + +# If this is yes, we will send sighup to the processes in the cgroup +# immediately after stopsig and sigcont. +#rc_send_sighup="NO" + +# This is the amount of time in seconds that we delay after sending sigcont +# and optionally sighup, before we optionally send sigkill to all +# processes in the # cgroup. +# The default is 90 seconds. +#rc_timeout_stopsec="90" + +# If this is set to no, we do not send sigkill to all processes in the +# cgroup. +#rc_send_sigkill="YES" diff --git a/sh/rc-cgroup.sh.in b/sh/rc-cgroup.sh.in index 47a007b6..4b713594 100644 --- a/sh/rc-cgroup.sh.in +++ b/sh/rc-cgroup.sh.in @@ -204,10 +204,13 @@ cgroup_cleanup() local pids pids="$(cgroup_get_pids)" if [ -n "${pids}" ]; then - kill -s TERM "${pids}" - sleep 1 - pids="$(cgroup_get_pids)" - [ -n "${pids}" ] && - kill -s KILL "${pids}" + kill -s "${stopsig:-SIGTERM}" ${pids} 2> /dev/null + kill -s SIGCONT ${pids} 2> /dev/null + yesno "${rc_send_sighup:-no}" && + kill -s SIGHUP ${pids} 2> /dev/null + sleep "${rc_timeout_stopsec:-90}" + yesno "${rc_send_sigkill:-yes}" && + kill -s SIGKILL ${pids} 2> /dev/null fi + eend 0 } |