openrc/init.d/swap.in

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#!@SBINDIR@/openrc-run
# Copyright (c) 2007-2015 The OpenRC Authors.
# See the Authors file at the top-level directory of this distribution and
# https://github.com/OpenRC/openrc/blob/master/AUTHORS
#
# This file is part of OpenRC. It is subject to the license terms in
# the LICENSE file found in the top-level directory of this
# distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
# This file may not be copied, modified, propagated, or distributed
# except according to the terms contained in the LICENSE file.
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depend()
{
before localmount
keyword -docker -jail -lxc -openvz -prefix -systemd-nspawn -vserver
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}
start()
{
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ebegin "Activating swap devices"
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case "$RC_UNAME" in
Linux) swapon -a -e >/dev/null;;
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NetBSD|OpenBSD) swapctl -A -t noblk >/dev/null;;
*) swapon -a >/dev/null;;
esac
eend 0 # If swapon has nothing todo it errors, so always return 0
}
stop()
{
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ebegin "Deactivating swap devices"
# Try to unmount all tmpfs filesystems not in use, else a deadlock may
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# occur. As $RC_SVCDIR may also be tmpfs we cd to it to lock it
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cd "$RC_SVCDIR"
umount -a -t tmpfs 2>/dev/null
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case "$RC_UNAME" in
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NetBSD|OpenBSD) swapctl -U -t noblk >/dev/null;;
*) swapoff -a >/dev/null;;
esac
eend 0
}