core-agent-linux/vm-systemd/prepare-dvm.sh
Marek Marczykowski-Górecki 57be910135 dispvm: include memory caches in "used memory" notification
Also make the code more readable.
2015-03-04 02:09:18 +01:00

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#!/bin/sh
possibly_run_save_script()
{
ENCODED_SCRIPT=$(qubesdb-read /qubes-save-script)
if [ -z "$ENCODED_SCRIPT" ] ; then return ; fi
echo $ENCODED_SCRIPT|perl -e 'use MIME::Base64 qw(decode_base64); local($/) = undef;print decode_base64(<STDIN>)' >/tmp/qubes-save-script
chmod 755 /tmp/qubes-save-script
DISPLAY=:0 su - user -c /tmp/qubes-save-script
}
if true; then
echo user | /bin/sh /etc/qubes-rpc/qubes.WaitForSession
possibly_run_save_script
umount /rw
dmesg -c >/dev/null
free | grep Mem: |
(read label total used free shared buffers cached; qubesdb-write /qubes-used-mem $[ $used + $cached ])
# give dom0 time to read some entries, when done it will shutdown qubesdb,
# so wait for it
qubesdb-watch /stop-qubesdb
# just to make sure
systemctl stop qubes-db.service
# we're still running in DispVM template
echo "Waiting for save/restore..."
# the service will start only after successful restore
systemctl start qubes-db.service
echo Back to life.
fi