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Date: | Fri, 4 Dec 2009 10:49:39 -0500 |
From: | Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com> |
To: | cygwin AT cygwin DOT com |
Subject: | Re: does LD_PRELOAD work under cygwin? |
Message-ID: | <20091204154939.GA29605@ednor.casa.cgf.cx> |
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On Fri, Dec 04, 2009 at 01:04:33PM +0800, basic wrote: >Hi, > Does LD_PRELOAD work under cygwin? I've tried the following without success: > >gcc test.c >gcc -shared testlib.c -o testlib.dll > >LD_PRELOAD=$HOME/testlib.dll ./a.exe > >where test.c is: > >#include <fcntl.h> > >int main() >{ > open("", 1); > return 0; >} > > >and testlib.c is: > >#include <stdio.h> > >int open(const char *s, int i, ...) >{ > puts("test"); > return 0; >} > >Is there anything I'm doing wrong? Or is it just not supported? If the above is exactly what you are doing then you're not marking open as "dllexport" so it won't be callable. cgf -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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