On 2/28/07, William A. Rowe, Jr. <wrowe@rowe-clan.net> wrote:
> Another alternative, we can either write lock the file by all readers,
> or perhaps easier but probably more cpu intensive, lstat to pick up the
> modification stamp?

SDBM already takes out a shared file lock when opening the file - so
it does exactly this.

If you want to remove BUFFERED when SHARELOCK is set, please be my
guest as the DBD layers don't use that flag.  -- justin