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Subject: Re: Locking revisited
From: Wietse Venema (wietseporcupine.org)
Date: Thu May 18 2000 - 14:25:53 CDT


Marco d'Itri:
> On May 18, Wietse Venema <wietseporcupine.org> wrote:
>
> >Order does not matter. Postfix is required to apply ALL
> >relevant locks before delivering mail.

> I remember somebody on a debian mailing list reporting that programs
> locking in a different order could deadlock.

Oh ye of little faith.

Postfix attempts to lock a file a limited number of times and then
defers delivery of the message.

By design, Postfix does not deadlock on delivery. That would be
rather brain dead.

        Wietse