Re: Antwort: Re: Antwort: Re: mcedit and file locking

[Pavel Tsekov <ptsekov gmx net>]

On Tue, 26 Sep 2006, karl kappel segmueller de wrote:

> > On Mon, 25 Sep 2006, karl kappel segmueller de wrote:
>
> > > > > Where is the dead symlink located?
> > >
> > > > In the same directory as the file being edited.
> > >
> > > > > If one user opens a file with mcedit for editing and another user
> > > > > does the same with mcedit should he get a message about this fact?
> > >
> > > > Yes.
> > >
> > > > > The mc version is 4.5.51 wiht RedHat 7.2
> > >
> > > > That version doesn't support locking. Locking support was
> > > > added starting with MC 4.6.0.
> > >
> > > I've updated MC to 4.6.0 on the RedHat 7.2 system, but there is still
> no
> > > dead symlink and
> > > no message editing a file already opened by somebody else.
> > > I've tried the same with MC 4.6.1 on a gentoo system, but also no
> symlink
> > > and no message.
> > >
> > > Is there a special option to activate locking support, or is there
> > > something else to do?
>
> > Well, maybe you are experiencing the problem described here:
>
> > https://savannah.gnu.org/bugs/?func=detailitem&item_id=13673#options
>
> No - it seems not to be the problem - I didn't start the editor from
> commandline.
> So I think there must be a kind of bug in the packages I've used (both
> RedHat and Gentoo).

That's pretty strange. I'll look at this if I get some spare time. However
is not a priority since the MC source tarball works ok.

> > If this is the case you have to download the patch and apply it
> > to your local source and rebuild. Or you can get the latest snapshot
> > of MC and build it:
>
> >
> http://www.ibiblio.org/pub/Linux/utils/file/managers/mc/snapshots/mc-2006-09-25-14.tar.gz
>
> Now I have compiled mc-4.6.1 myself and it works fine with locking
> support.
>
> One suggestion for the message sent in case of a locking situation:
> Default answer is "Grab lock" - I think to have "Ignore lock" as default
> would be the better choice.
> But this is my personal opinion and I can change the code myself.

There is a patch in the MC patches repository at savannah which
improves the locking scheme a bit. I think it also does something
with the dialog which is presented to the user when a lock is
detected... I'll take a look at it again - it was delayed for quite
some time now.