gurne...@efn.org (John-Mark Gurney) writes:
> Ville-Pertti Keinonen scribbled this message on Aug 24:
> > cat writes part of oldmail to /var/mail/grog
> > sendmail locks /var/mail/grog
> > (cat may try to write more to /var/mail/grog but blocks)
> > sendmail delivers new mail
> > sendmail unlocks /var/mail/grog
> > cat writes the rest of oldmail to /var/mail/grog
> >
> > You'll still probably end up with a broken mailbox.
>
> what you do is this:
> lockf -k $mailfile cat ${mailtmp} >> $mailfile
Which doesn't support Greg's arguments for mandatory locking, as
you're now doing locking in both programs.
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