Hi,
On Mon, 20 Sep 2004 08:52:29 -0700
"John R Pierce" <pierce@hogranch.com> wrote:
> > Regarding cooperative locking and the fact that after a crash the lock
> > stays: I'm not sure how your application is designed, but in ours after
> > a crash we definitely want it to stay there, so we can manually check
> > the consistency of the data before releasing the lock for further
> > processing. I have bad experience with automatic recovery after crashes.
>
> in this particular case, the lock is to simply indicate there is an active
> 'subscriber' to a messaging 'subject', if the app has exited any which ways,
> by definition that 'subscriber' is no longer active, so yes, we want the
> lock to go away.
Have you ever thought at using LISTEN/NOTIFY for this purpose?
Markus
--
markus schaber | dipl. informatiker
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