#!/bin/sh

# until we figure out why gnuplot sometimes hangs on futex(2)
# use this cheesy cron job to try to make this whole thing more vacation proof.

# check for hang
find /home/ghz/light_wx/data -mmin -16 | grep . > /dev/null || {
	echo "no data in 20 minutes. killing gnuplot."
	# actually we haven't seen light hang. we see gnuplot hang. kill that instead.
	# pkill light
	pgrep gnuplot && pkill gnuplot # sometime gnuplot hangs on futex(2). not yet sure why.
}

# in case light somehow also died.
pgrep light > /dev/null || {
	echo "no light. restarting light."
	/home/ghz/light_wx/light &
}