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Re: linking against shared libraries
- To: "'cygwin at sources dot redhat dot com'" <cygwin at sources dot redhat dot com>
- Subject: Re: linking against shared libraries
- From: Chris Faylor <cgf at cygnus dot com>
- Date: Mon, 18 Sep 2000 11:43:17 -0400
- References: <779F20BCCE5AD31186A50008C75D99791717A2@silldn_mail1.sanwaint.com>
- Reply-To: cygwin at sources dot redhat dot com
On Mon, Sep 18, 2000 at 11:11:21AM +0100, Fifer, Eric wrote:
>Chris Faylor wrote:
>>I hope that we can resolve whatever issues there are in dl* for cygwin.
>Just as a testimonial, Perl uses the dl* routines successfully.
>Also, if you bypass dlopen() and go straight to LoadLibrary(),
>fork() will not work correctly.
Right. Unless I wanted to provide a wrapper for LoadLibrary (which I
don't) this will always be the case.
The problem is that, for some reason, Windows loads DLLs in different
spots in the "parent" and "child" when you do a "fork". It has every
right to do this, of course, but it screws up fork.
I went to considerable effort to work around this last year by
instituting an ugly hack in the fork code which worked around this.
My main motivation for getting this working was perl since I am a
very long time perl user.
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