bug#43535: File locking on Windows

[Richard Copley]

Eli Zaretskii wrote:
> > I'd like to have an option to permanently disable creating lock files.
> I think you should be able to do that by customizing the variable
> create-lockfiles.

Thanks.

> I think ignoring errors, perhaps after asking for confirmation, is the
> only way.  Using a different file name will just move the problem
> elsewhere, and keeping the file open will disallow stealing the lock,
> and on MS-Windows will have other annoying effects (like keeping the
> file's directory busy etc.).

Right.
Parse failure in "current_lock_owner" isn't handled well. You can
force the same issues to occur on a non-Windows system by deleting the
".#x" symlink and recreating it with a bad target.