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From: Corinna Vinschen <corinna-cygwin@cygwin.com>
Cc: emacs-devel@gnu.org, Eli Zaretskii <eliz@gnu.org>
Subject: Re: New platform independent problem
Date: Sat, 28 Jan 2006 15:18:03 +0100	[thread overview]
Message-ID: <20060128141803.GG15572@calimero.vinschen.de> (raw)
In-Reply-To: <uk6curezk.fsf@gnu.org>

On Jan 20 19:22, Eli Zaretskii wrote:
> > From: Eric Blake
> > As long as we are editing programs, we might as well teach them to
> > respect a sentinel of -1 without having to resort to adding a
> > nonstandard entry point.
> 
> I don't see how this is better: -1 is an arbitrarily picked value,
> with no relation to any standard.  Why should applications learn about
> it?

FYI, I've applied a rather big patch which reintroduced d_ino and which
tries hard to generate correct (aka "identical to stat(2)") inode numbers
for d_ino on all systems.  This includes a slightly expensive method to
determine inode numbers in a couple of situations(*):

- local NTFS on NT4
- remote NTFS on Win2K
- remote NT4/Win2K NTFS on XP and above.

While I tried to optimize the expensive inode evaluation as much as
possible, a certain slow down in the above situations might have been
unavoidable.

For the adventurous of you, try the next developer's snapshot of Cygwin
from http://cygwin.com/snapshots/


Corinna


(*) For the curious, the above situations are determined by the
    OS support of the FileIdBothDirectoryInformation flag in calls
    to NtQueryDirectoryFile.

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat


  reply	other threads:[~2006-01-28 14:18 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-20 17:01 New platform independent problem Eric Blake
2006-01-20 17:22 ` Eli Zaretskii
2006-01-28 14:18   ` Corinna Vinschen [this message]
  -- strict thread matches above, loose matches on Subject: below --
2006-01-20  5:47 djh
2006-01-20 11:08 ` Eli Zaretskii
2006-01-20 12:25   ` Corinna Vinschen
2006-01-20 13:59     ` Eric Blake
2006-01-20 14:14       ` Corinna Vinschen
2006-01-20 13:29   ` Igor Peshansky
2006-01-20 13:56     ` Eli Zaretskii
2006-01-20 14:18       ` Eric Blake
2006-01-20 16:48         ` Eli Zaretskii
2006-01-20 21:24         ` Andreas Schwab
2006-01-20 14:21       ` Corinna Vinschen
2006-01-27 20:45 ` Eli Zaretskii
2006-02-23  9:20   ` djh

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