X-Spam-Check-By:	sourceware.org
Message-ID:	<46B0D609.3BBBAA5E@dessent.net>
Date:	Wed, 01 Aug 2007 11:50:49 -0700
From:	Brian Dessent <brian AT dessent DOT net>
X-Mailer:	Mozilla 4.79 [en] (Windows NT 5.0; U)
MIME-Version:	1.0
To:	cygwin AT cygwin DOT com
Subject:	Re: is LD_PRELOAD available in cygwin?
References:	<46B02E5F DOT 3080408 AT gmail DOT com> <46B0A563 DOT B672E63 AT dessent DOT net> <20070801183926 DOT GC6530 AT ednor DOT casa DOT cgf DOT cx>
X-IsSubscribed:	yes
Reply-To:	cygwin AT cygwin DOT com
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com

Christopher Faylor wrote:

> Sorry, Brian, but this isn't correct.  LD_PRELOAD has been available for
> Cygwin for a while.
> 
> It's not 100% like linux but it is close.  You can only override cygwin
> functions with it but that should work for open().  If this isn't working
> under cygwin, I'd suspect function decorations are not right, i.e., the
> open() function name being trapped doesn't look the same as the open in
> cygwin1.dll.
> 
> ...either that or LD_PRELOAD is broken.  I haven't played with it for a
> while.

Oh, excellent.  I knew there were some cases of the LD_* things being
supported (e.g. LD_LIBRARY_PATH in the context of dlopen) but I didn't
know this was one of them as well.

Brian

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

- Raw text -