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Re: LoadLibrary error 487 (was Re: Please test latest developer snapshot)
On Feb 28 11:01, Corinna Vinschen wrote:
> On Feb 27 19:57, Christopher Faylor wrote:
> > On Sun, Feb 27, 2011 at 10:37:03PM +0100, Corinna Vinschen wrote:
> > >On Feb 27 12:05, Christopher Faylor wrote:
> > >> On Sun, Feb 27, 2011 at 10:46:27AM +0100, Corinna Vinschen wrote:
> > >> >Thanks, but your code only works on XP, not on Winodws 7. In fact,
> > >> >on Windows 7 Cygwin is now entirly broken since every single fork
> > >> >segfaults.
> > >>
> > >> It works for me. I had tested it on Windows 7. My simple test case was
> > >> just using ssh which always seemed to break when I got the code wrong.
> > >> It works fine on Windows 7. The crash reported on the mailing list also
> > >> worked with my changes on Windows 7 and Windows XP.
> > >
> > >That's weird. It doesn't work for me. As soon as winmm is loaded with
> > >the DONT_RESOLVE_DLL_REFERENCES flag on Windows 7, my shell becomes
> > >unusable. The shell itself runs, but every single try to start another
> > >application (including the stuff in startup scripts) fails with a SEGV,
> > >sometimes with, sometimes without creating a stackdump.
> > >
> > >Maybe that's because I'm running tcsh. Probably tcsh does something at
> > >every fork which triggers loading the winmm multimedia timer functions,
> > >while bash doesn't.
> >
> > Ok, this change is making me pretty nervous if it is that picky. It
> > shows no problems at all when running bash. And, I tried it on NT4,
> > Windows 7, Windows XP, and Windows 2008.
>
> Yes, it works for me, too, when using bash. However, that only means
> that bash is not a good testcase for this change.
>
> > Since it is so sensitive, wouldn't it be safer to just add libwinmm.a to
> > DLL_IMPORTS in Makefile.in and forget about trying to stand on our heads
> > to make this work right when loaded dynamically?
>
> I don't think so for two reasons.
> [blah]
Btw., while this is probably done by -O2 anyway, wouldn't it make
sense to mark dll_load explicitely as an inline function?
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
Red Hat