A script to kill a process if it's execution time has elapsed a specified amount of seconds

killafter

#!/bin/bash

# checks if a process has ran for n seconds, and kills it if so
# - usage killafter <procname> <seconds>

func="$1"
timeout="$2"

green="\033[31m"
red="\033[31m"
dim="\033[2m"
bold="\033[1m"
rset="\033[0m"

if [[ ! "$func" ]] || [[ ! "$timeout" ]]; then
	echo "usage: killafter <procname> <seconds>"
	echo -e "$dim - kills a process if its executon time has elapsed after n seconds $rset"
	exit;
fi

pids=($(pgrep $func))

if [[ ! $pids ]]; then
	echo -e $red"error$rset - no processes found by name '$func'"
	exit
fi

for pid in "${pids[@]}"; do
	elaps=($(echo "$(ps -p $pid -o etime=)" | sed -E 's/0([0-9])/\1/g' | sed -E 's/:/ /g'))

	if [[ ${#elaps[@]} -eq 3 ]]; then
		secs=$((${elaps[0]} * 60 * 60 + ${elaps[1]} * 60 + ${elaps[2]}))
	else
		secs=$((${elaps[0]} * 60 + ${elaps[1]}))
	fi
	echo -e "$dim------$rset"
	echo -en "$bold$pid$rset ($dim$func$rset): elapsed for $secs seconds -"

	if [[ "$secs" -ge "$timeout" ]]; then
		kill $pid
		echo -e "$red killed"
	else
		echo -e "$green kept.. for now"
	fi

	echo -en "$rset"
done

echo -e "$dim------$rset"

local.stan.phpkill-example.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>Label</key>
	<string>local.stan.phpkill</string>
	<key>ProgramArguments</key>
	<array>
		<string>/bin/sh</string>
		<string>-c</string>
		<string>~/bin/killafter</string>
		<string>php</string>
		<string>15</string>
	</array>
	<key>StartInterval</key>
	<integer>15</integer>
</dict>
</plist>