60 lines
1.2 KiB
Bash
60 lines
1.2 KiB
Bash
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#@SHELL@
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# Copyright (c) 2012 Alexander Vershilov <qnikst@gentoo.org>
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# Released under the 2-clause BSD license.
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cgroup_find_path()
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{
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local OIFS n name dir result
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[ -n "$1" ] || return 0
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OIFS="$IFS"
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IFS=":"
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while read n name dir; do
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[ "$name" = "$1" ] && result="$dir"
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done < /proc/1/cgroup
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IFS="$OIFS"
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echo $result
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}
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# prepare values to be attached inside cgroups
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cgroup_prepare()
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{
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local h=$(cgroup_find_path "$1")
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cgroup="/sys/fs/cgroup/${1}${h}openrc_${RC_SVCNAME}"
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[ -d ${cgroup} ] || mkdir -p ${cgroup}
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return 0
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}
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cgroup_set_value()
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{
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[ -f "$cgroup/${1}" -a -n "$2" ] && echo $2 > "${cgroup}/${1}"
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return 0
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}
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cgroup_add_process()
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{
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[ -f "${cgroup}"/tasks ] && echo 0 > "${cgroup}"/tasks
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return 0
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}
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cgroup_set_limits()
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{
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openrc_cgroup=/sys/fs/cgroup/openrc
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if [ -d ${openrc_cgroup} ]; then
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cgroup=${openrc_cgroup}/${RC_SVCNAME}
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mkdir -p ${cgroup}
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[ -f "${cgroup}"/tasks ] && echo 0 > "${cgroup}"/tasks
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fi
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if [ -d /sys/fs/cgroup/cpu ]; then
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local share
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share=${rc_cgroup_cpu_shares:-$RC_CGROUP_CPU_SHARES}
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if [ -n "$share" ]; then
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cgroup_prepare "cpu"
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cgroup_set_value "cpu.shares" $share
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cgroup_add_process
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fi
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fi
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return 0
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}
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