fileutils-4.0-3

Christopher Faylor cgf@redhat.com
Wed Jun 13 08:24:00 GMT 2001


On Wed, Jun 13, 2001 at 03:31:23PM +0200, Corinna Vinschen wrote:
>On Wed, Jun 13, 2001 at 03:21:59PM +0400, egor duda wrote:
>> Hi!
>> 
>> Wednesday, 13 June, 2001 Corinna Vinschen cygwin@cygwin.com wrote:
>> 
>> CV> Typically it's the other way around. If a Win32 application opens
>> CV> a file using the `CreateFile' call, it has exclusive access to the
>> CV> file while it's opened. If the application want's to share the
>> CV> file with other apps, it can do that by giving additional flags
>> CV> to `CreateFile' (FILE_SHARE_READ, FILE_SHARE_WRITE). Cygwin's
>> CV> open(2) call uses these flags by default.
>> 
>> well, CreateFile() accepts 0 as second argument, which is what we
>> need-- just query information no matter if anyone opened file in
>> DENYALL mode. i've just tested it on nt4.0 -- it works fine.
>> 
>> the only question is whether we should add new parameter to
>> fhandler::open(), say 'int cygwin_flags', or define new flag in
>> fcntl.h? for me, the first one looks preferable.
>
>Wow. I just read the MSDN entry of CreateFile and I must admit
>that I always slipped over that sentence without reading it.
>It seems obvious now. If that really works (as you state),
>it would be the ultimate solution for `fstat'.
>
>I think you're right using some internal flag. It's not needed
>to create a new fcntl flag.

I don't see how fstat can do this, though.  Do you mean stat?

cgf



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