Changes by: Aleksey Nogin (nogin at cs.caltech.edu)
Date: 2006-06-05 16:53:44 -0700 (Mon, 05 Jun 2006)
Revision: 9254
Log message:

      If a thread/process forked from the "main" OMake thread/process tries to save
      the DB, this means that something went wrong. In this case, print an error
      message and abort.