Re: wanted: analog to procmail's lockfile

In article <s93tzp2lqvf.fsfchen.chizhovka.net>,
Aleksey Cheusov  <netbsd-helpnetbsd.org> wrote:
>Does anybody know more or less well known replacement
for
>"lockfile" utility shipped with procmail?
>
>I'd prefer standalone utility that is distributed
without so heavy baggage.

shlock?

christos