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Re: 1.1.7:mount and ls problem
At 11:56 AM 1/24/2001, Ehud Karni wrote:
> > cd /
> > mkdir e
> > mount e: /e
> > All is well -- e shows up in both an ls ( as e) and mount (as e: /e).
> >
> > mount f: /f
> > I get the error:
> > mount: warning - /f does not exist
> > but mount shows
> > f: f/ . . .
> > and ls doesn't show f.
> >
> > If I do mkdir f, I get:
> > mkdir: cannot make directory `f': File exists
>
>On UNIX systems, you can NOT mount on non-existing directory.
>
>I think Cygwin can adopt this behavior and refuse to mount when the
>directory is missing. There are 2 ways to accomplish this:
> 1. Create the directory (silently or with a message).
> 2. Produce an error and do not mount.
>The 2nd approach has the possible problem for mounts that was done
>previously (saved in the registry) - the mount directory may be erased
>by a non Cygwin program. In that case I will produce an error message
>every time the DLL try to use this mount, and ignore it (but not
>delete it from the registry).
This may be an issue. The simple approach for handling this here would
be do 1, although one could always see what UNIX/Linux does in these cases
too. As I recall, UNIX/Linux simply displays an error if the directory to
mount to is removed. I see no real problem with supporting this approach
either.
>I don't know the reasons of the Cygwin developers for choosing the
>current behavior but I'm sure they had something in mind if they
>decided to deviate from standard UNIX practice.
Yes, I'm sure there was a reason. It may have just been for "expediency".
In any case, its not worth speculating unless someone plans to take up the
task.
Larry Hall lhall@rfk.com
RFK Partners, Inc. http://www.rfk.com
118 Washington Street (508) 893-9779 - RFK Office
Holliston, MA 01746 (508) 893-9889 - FAX
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