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X-Authentication-Warning:	slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date:	Mon, 21 Oct 2002 21:27:11 -0400 (EDT)
From:	Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To:	cygwin AT cygwin DOT com
To:	cygwin AT cygwin DOT com
Subject:	Re: cvs unable to remove lock directory; rm -r works
In-Reply-To:	<Pine.GSO.4.44.0210202357090.18735-100000@slinky.cs.nyu.edu>
Message-ID:	<Pine.GSO.4.44.0210212026560.8025-100000@slinky.cs.nyu.edu>
Importance:	Normal
MIME-Version:	1.0

On Mon, 21 Oct 2002, Igor Pechtchanski wrote:

> Hi,
>
> I've been trying to track this down for a few days, to no avail.
> I have a cvs repository on a samba drive.  My OS is Win2k SP2; CYGWIN is
> set to "check_case:strict ntsec notitle nosmbntsec".  My cvs is 1.11.0-1
> (I tried both the distribution binary and the one built from the source).
> I also tried both cygwin-1.3.13-2 and the cvs HEAD.
>
> When I attempt to check in a file, I receive the following message from
> cvs:
>
> $ cvs commit -m "" aaaa
> Checking in aaaa;
> /export/home/igor/testrepository/aaaa,v  <--  aaaa
> new revision: 1.9; previous revision: 1.8
> done
> cvs commit: failed to remove lock dir /export/home/igor/testrepository/#cvs.lock: Permission denied
> $
>
> The relevant mount is
>
> $ mount | grep export
> \\samba.watson.ibm.com\igor on /export/home/igor type user (binmode)
> $
>
> I'm able to manually remove the directory using 'rm -rf'.  Furthermore,
> the following program also works:
>
> $ cat > t.c
> #include <sys/unistd.h>
> void main() {
>   const char *dir = "/export/home/igor/testrepository/#cvs.lock";
>   int res = rmdir(dir);
>   printf ("%d = rmdir(\"%s\")\n", res, dir);
> }
> $ make t
> gcc     t.c   -o t
> $ ./t
> 0 = rmdir("/export/home/igor/testrepository/#cvs.lock")
> $
>
> As far as I could see, cvs also uses the rmdir from cygwin1.dll.  Yet it
> was unable to remove the directory, for some reason.  Tracing it under gdb
> showed that GetLastError after RemoveDirectory() returned 5
> (ERROR_ACCESS_DENIED) when called from cvs.
>
> Would anyone have any pointers on how I could debug this further?  Thanks,
> 	Igor

Some more info on this:
I defined CVS_RMDIR to point to my own function that would print a message
and then fork and exec /bin/rmdir with the directory as an argument, and
recompiled cvs.  Running cvs commit now resulted in the following:

$ /usr/src/cvs-1.11.0/build/src/cvs commit -m "" aaaa
Checking in aaaa;
/export/home/igor/testrepository/aaaa,v  <--  aaaa
new revision: 1.11; previous revision: 1.10
done
Attempting to remove directory '/export/home/igor/testrepository/#cvs.lock'
rmdir: `/export/home/igor/testrepository/#cvs.lock': Permission denied
cvs commit: failed to remove lock dir /export/home/igor/testrepository/#cvs.lock: I/O error
$ /bin/rmdir /export/home/igor/testrepository/#cvs.lock
$ echo $?
0
$

Any ideas on how to proceed with this would be welcome.
	Igor
-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_		pechtcha AT cs DOT nyu DOT edu
ZZZzz /,`.-'`'    -.  ;-;;,_		igor AT watson DOT ibm DOT com
     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

"Water molecules expand as they grow warmer" (C) Popular Science, Oct'02, p.51



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