[REBOL] Re: Concurrent access to data file

[CRS - Psy Sel/SPO, COUSSEMENT Christophe, CPN]

> Hi,
> 
> > 
> > > Hi,
> > >
> > > the problem was discussed here some time before.
> >         [sorry, I didn't got that]
> > > You need some atomic
> > > operation, which cannot be successfully done by two processes at the
> > > same time. One such operation is in most OSes (including Windows NT)
> > > local file rename. Any operation on network drives (NetBios or NFS) is
> > > not atomic, so you cannot rely on it when synchronizing multiple PCs -
> > > file locking suggested by Brett Handley is reliable only with a local
> > > file, not a file on a network disk.
> >         [Now, I've learn something ! Thanks !]
> > 
> 
> Sorry for confusion, rename operation is atomic even on network
> drives. Now I've learnt something from Ladislav ;-) I'm not sure about
> file locking though.
        [Thanks for the tip. I will try to test such a solution.]  

> > > I think that you should use TCP port on the server as suggested by
> > > Brett Handley. There are also several distributed mutual exclusion
> > > algorithms that don't require a central server, look at this paper for
> > > more information:
> > > http://www.cse.iitk.ac.in/~deepak/cs632/mutual-exclusion.ps
        [I'm still interrested in your paper, but still don't know how to
read it. 
        I apologize for the simplicity of my request, but how can I access a
readable content ?]  
> > 
> > > HTH,
> > >
> > > --
> > > Michal Kracik
        [Best Regards,

        chr==]  
> > 
> > --
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> 
> -- 
> Michal Kracik
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