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path: root/etc/rc.d/rc.subr
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#	$OpenBSD: rc.subr,v 1.24 2011/03/09 19:37:16 ajacoutot Exp $

rc_err() {
	echo $1
	exit 1
}

rc_start() {
	${rcexec} "${daemon} ${daemon_flags} ${_bg}"
}

rc_check() {
	pgrep -f "^${pexp}"
}

rc_reload() {
	pkill -HUP -f "^${pexp}"
}

rc_stop() {
	pkill -f "^${pexp}"
}

rc_cmd() {
	[ `id -u` -eq 0 -o X"$1" = "Xcheck" ] || \
		rc_err "$0: need root privileges"

	eval _enotsup=\${rc_${1}}
	[ X"${_enotsup}" != X"NO" ] || rc_err "$0: $1 is not supported"

	[ X"${rc_bg}" = X"YES" ] && local _bg="&"

	case "$1" in
	check)
		rc_check >/dev/null
		;;
	start)
		if ! rc_check; then
			type rc_pre >/dev/null && rc_pre
			rc_start >/dev/null
		fi
		;;
	stop)
		rc_stop >/dev/null
		i=0
		while [ $i -lt 5 ]; do
			rc_check || break
			sleep 1
			i=$((i+1))
		done
		type rc_post >/dev/null && rc_post || return 0
		;;
	reload)
		(rc_check && rc_reload) >/dev/null
		;;
	restart)
		/etc/rc.d/${_name} stop && /etc/rc.d/${_name} start
		;;
	*)
		rc_err "usage: $0 {start|check|reload|restart|stop}"
	esac
}

[ -z "${local_rcconf}" ] && . /etc/rc.conf

[ -n "${daemon}" ] || rc_err "$0: daemon is not set"

_name=`basename $0`
eval _rcflags=\${${_name}_flags}
eval _rcuser=\${${_name}_user}

getcap -f /etc/login.conf ${_name} 1>/dev/null 2>&1 && \
	daemon_class=${_name}

[ -z "${daemon_class}" ] && daemon_class=daemon
[ -z "${daemon_user}"  ] && daemon_user=root

[ -n "${_rcflags}" ] && daemon_flags=${_rcflags}
[ -n "${_rcuser}"  ] && daemon_user=${_rcuser}

daemon_flags=`echo ${daemon_flags} | tr -s "[:space:]"`
pexp="${daemon}${daemon_flags:+ ${daemon_flags}}"
rcexec="su -l -c ${daemon_class} -s /bin/sh ${daemon_user} -c"