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#!/bin/bash
# Copyright (C) 2014-2015 Luke Shumaker <lukeshu@sbcglobal.net>
# Usage: offlineimap-killer LIMIT
#
# Kills any instance of offlineimap that has been running longer than
# LIMIT seconds.
pid_uptime() {
local pid=$1
local sec_uptime=$(cut -d ' ' -f1 /proc/uptime)
local tic_started_at
tic_started_at=$(cut -d ' ' -f 22 /proc/${pid}/stat 2>/dev/null) ||
{ echo 0; return 0; }
local tic_per_sec=$(getconf CLK_TCK)
bc <<<"${sec_uptime} - (${tic_started_at}/${tic_per_sec})"
}
main() {
declare -i limit=$1
local pids=($(pgrep -x offlineimap))
local pid
for pid in "${pids[@]}"; do
declare -i uptime=$(pid_uptime $pid|cut -d. -f1)
if [[ "$uptime" -gt "$pid" ]]; then
printf 'Killing %d which has been running for %d seconds' "$pid" "$uptime"
kill -9 "$pid"
fi
done
}
main "$@"
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