[oi-dev] weird flock problem

[Toomas Soome]

> On 13 Nov 2017, at 17:07, Till Wegmüller <toasterson at gmail.com> wrote:
> 
> On 13.11.2017 15:59, Carsten Grzemba wrote:
>> 
>> 
>> On 13.11.17 15:16, *Bob Friesenhahn * <bfriesen at simple.dallas.tx.us> wrote:
>>> On Mon, 13 Nov 2017, Carsten Grzemba wrote:
>>>> 
>>>> This compiles on Openindiana without an error, but if it runs throws
>>> the error: Invalid argument (os error 22)
>>>> 
>>>> If I copy this on Openindiana compiled code to Smartos it runs correctly.
>>> 
>>> Are you using the same filesystem on both systems?  For example, zfs
>>> vs tmp on swap could make a difference.  Or something to do with
>>> filesystem paths.
>> Thats the clue:
>> it fails on NFS, but works on ZFS and TMPFS
> 
> Doesn't NFS require a special lock daemon to be setup between server and
> client? AFAIk NFS locking is quite limted when i last tried it years ago.
> 

NFSv2/NFSv3 has separate locking protocol and implementation, NFSv4 has locking integrated.

rgds,
toomas

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