NFS File Locking

[Karl Pearson]

On Wed, November 28, 2007 12:08 pm, Rick Stevens wrote:
> On Wed, 2007-11-28 at 09:27 -0800, Waldher, Travis R wrote:
>> Is there a command I can use to manually lock a file?
>>
>>
>>
>> My goal is to test NFS file locking with groups greater than 16.
>
> I don't know of one, but it wouldn't be hard to write.  You'd need to
> open the file, lock it via fcntl() (flock() does not work over NFS) and
> hold the lock until not needed.
>
> Remember that if the program exits, the lock would be released.

Can't you just emacs or vi the file and accomplish the same thing? Just a
thought to save something or other.

Karl

>
> ----------------------------------------------------------------------
> - Rick Stevens, Principal Engineer             rstevens at internap.com -
> - CDN Systems, Internap, Inc.                http://www.internap.com -
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-- 
Karl L. Pearson
karlp at ourldsfamily.com
http://consulting.ourldsfamily.com
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