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Date:	Wed, 24 Jan 2001 18:56:01 +0200
Message-Id:	<200101241656.SAA04669@linux.>
From:	"Ehud Karni" <ehud AT unix DOT simonwiesel DOT co DOT il>
To:	lhall AT rfk DOT com
Subject:	Re: 1.1.7:mount and ls problem
CC:	lowella AT serv DOT net, cygwin AT sources DOT redhat DOT com
In-reply-to:	<4.3.1.2.20010124100612.021e0c10@pop.ma.ultranet.com>
	(lhall AT rfk DOT com)
Organization:	Simon & Wiesel Insurance agency
Reply-to:	ehud AT unix DOT simonwiesel DOT co DOT il
References:	<4 DOT 3 DOT 1 DOT 2 DOT 20010123202852 DOT 022d7ce8 AT pop DOT ma DOT ultranet DOT com> <4 DOT 3 DOT 1 DOT 2 DOT 20010124100612 DOT 021e0c10 AT pop DOT ma DOT ultranet DOT com>
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>          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).

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.

BTW. I adhere to UNIX practice, I mount only on existing directories
     and always use the -s switch (no private mounts on UNIX).

Ehud.


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