function set_lockfile {
        local BASENAME=$(basename "$0")
        local LOCK_FILE="${LOCK_DIR}/${BASENAME}"
        local RANDOM_FILE=$(mktemp --tmpdir=${LOCK_DIR})
        echo $$ > ${RANDOM_FILE}
        mv -n ${RANDOM_FILE} ${LOCK_FILE}

        if [ -e ${RANDOM_FILE} ] ; then
                OTHER_PID=$(cat ${LOCK_FILE})
                false
        else
                true
        fi
}

function del_lockfile {
        local BASENAME=$(basename "$0")
        local LOCK_FILE="${LOCK_DIR}/${BASENAME}"

        rm ${LOCK_FILE}
}

mkdir -p ${REC_DIR}
mkdir -p ${UPL_DIR}