Re: [Exim] Race condition in MBX locking

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Author: Philip Hazel
Date:  
To: Mark Rigby-Jones
CC: exim-users
Subject: Re: [Exim] Race condition in MBX locking
On Fri, 23 Apr 2004, Mark Rigby-Jones wrote:

> The ugly spectre of MBX mailbox corruption reared its ugly head again this
> week, and I've tracked it down to a race condition the MBX locking
> protocol.


Thanks for doing all the hard work on this. It's so long since I did
anything to the MBX code that I have mostly forgotten all the details. I
don't think anything has changed since Exim 3.

> The patch below simply adds the same check that IW imapd does


Sounds good. Thanks.

Philip

--
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.
Get the Exim 4 book:    http://www.uit.co.uk/exim-book