Created
March 8, 2013 18:18
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# Timeout based | |
lockfile=/var/run/script.lock | |
( | |
flock --timeout 60 200 || ( echo "UNKNOWN: Lock failed"; exit 3) | |
stuff; | |
) 200>${lockfile} | |
# Only allow one at a time | |
lockfile=/var/run/script.lock | |
if ( set -o noclobber; echo "$$" > "$lockfile") 2> /dev/null; | |
then | |
trap 'rm -f "$lockfile"; exit $?' INT TERM EXIT | |
stuff; | |
rm -f "$lockfile" | |
trap - INT TERM EXIT | |
else | |
echo "UNKNOWN: Failed to acquire lockfile: $lockfile. Held by $(cat $lockfile)" | |
exit 3 | |
fi |
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