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cgroups: use printf to write to cgroup files

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This fixes #33.
This commit is contained in:
William Hubbs 2015-04-13 11:15:58 -05:00
parent ee1768a419
commit 15ab3f39c6
1 changed files with 6 additions and 5 deletions
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11
sh/rc-cgroup.sh.in
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@ -1,6 +1,7 @@
#!@SHELL@ #!@SHELL@
# Copyright (c) 2012 Alexander Vershilov <qnikst@gentoo.org> # Copyright (c) 2012 Alexander Vershilov <qnikst@gentoo.org>
# Released under the 2-clause BSD license. # Released under the 2-clause BSD license.
extra_stopped_commands="${extra_stopped_commands} cgroup_cleanup" extra_stopped_commands="${extra_stopped_commands} cgroup_cleanup"
description_cgroup_cleanup="Kill all processes in the cgroup" description_cgroup_cleanup="Kill all processes in the cgroup"
@ -47,7 +48,7 @@ cgroup_set_values()
$controller.*) $controller.*)
if [ -n "$name" -a -f "$cgroup/$name" -a -n "$val" ]; then if [ -n "$name" -a -f "$cgroup/$name" -a -n "$val" ]; then
veinfo "$RC_SVCNAME: Setting $cgroup/$name to $val" veinfo "$RC_SVCNAME: Setting $cgroup/$name to $val"
echo $val > "$cgroup/$name" printf "%s" "$val" > "$cgroup/$name"
fi fi
name=$1 name=$1
val= val=
@ -60,12 +61,12 @@ cgroup_set_values()
done done
if [ -n "$name" -a -f "$cgroup/$name" -a -n "$val" ]; then if [ -n "$name" -a -f "$cgroup/$name" -a -n "$val" ]; then
veinfo "$RC_SVCNAME: Setting $cgroup/$name to $val" veinfo "$RC_SVCNAME: Setting $cgroup/$name to $val"
echo $val > "$cgroup/$name" printf "%s" "$val" > "$cgroup/$name"
fi fi
if [ -f "$cgroup/tasks" ]; then if [ -f "$cgroup/tasks" ]; then
veinfo "$RC_SVCNAME: adding to $cgroup/tasks" veinfo "$RC_SVCNAME: adding to $cgroup/tasks"
echo 0 > "$cgroup/tasks" printf "%d" 0 > "$cgroup/tasks"
fi fi
return 0 return 0
@ -78,14 +79,14 @@ cgroup_add_service()
# cgroups. But may lead to a problems where that inheriting # cgroups. But may lead to a problems where that inheriting
# is needed. # is needed.
for d in /sys/fs/cgroup/* ; do for d in /sys/fs/cgroup/* ; do
[ -f "${d}"/tasks ] && echo 0 > "${d}"/tasks [ -f "${d}"/tasks ] && printf "%d" 0 > "${d}"/tasks
done done
openrc_cgroup=/sys/fs/cgroup/openrc openrc_cgroup=/sys/fs/cgroup/openrc
if [ -d "$openrc_cgroup" ]; then if [ -d "$openrc_cgroup" ]; then
cgroup="$openrc_cgroup/$RC_SVCNAME" cgroup="$openrc_cgroup/$RC_SVCNAME"
mkdir -p "$cgroup" mkdir -p "$cgroup"
[ -f "$cgroup/tasks" ] && echo 0 > "$cgroup/tasks" [ -f "$cgroup/tasks" ] && printf "%d" 0 > "$cgroup/tasks"
fi fi
} }