Re: is flock broken in 2.4 or 2.5 kernels or what does this mean?

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Tue Jul 23 2002 - 11:31:12 EST


On Tue, 2002-07-23 at 15:41, John Covici wrote:
> In the latest release notes of sendmail I have read the following:
>
> NOTE: Linux appears to have broken flock() again. Unless
> the bug is fixed before sendmail 8.13 is shipped,
> 8.13 will change the default locking method to
> fcntl() for Linux kernel 2.4 and later. You may
> want to do this in 8.12 by compiling with
> -DHASFLOCK=0. Be sure to update other sendmail
> related programs to match locking techniques.
>
> Can anyone tell me what this is all about -- is there any basis in
> reality for what they are saying?

First I've heard of it, so it would be useful if someone has access to
the sendmail problem report/test in question that shows it and I'll go
find out.

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