Re: [Boost-users] Visual C++ 8 - Example Crashes with Access Violation

From: Brown Gabe (gabosgab_at_[hidden])
Date: 2006-04-28 11:30:04

I think I fixed my problem.  I scrapped the entire Visual Studio project and
created a brand new one from scratch including all libraries and dll's.
Works like a charm now.  I guess the problem I was having must have been
some weird linking issues.  Oh well!  Thanks for you help guys!

On 4/28/06, Ovanes Markarian <om_boost_at_[hidden]> wrote:
>
> What I can imagine in regards of this failure is that you have in your
> watch
> expressions some pointer dereference. And this ptr is not valid... I had
> this error once in VC 6.0 and spent almost 3 hours looking for this kind
> of
> problem... Please analyse your watch expressions carefully. May be you
> have
> argv[1] in your watch or some other context valid name, which is not
> initialized.
>
> As I can remember this was fixed in VC 2002, but can come up in VC 8
> again.
>
>
>
> Best Regards,
> Ovanes
>
>
> -----Ursprüngliche Nachricht-----
> Von: Rush Manbert [mailto:rush_at_[hidden]]
> Gesendet: Thursday, April 27, 2006 22:44
> An: boost-users_at_[hidden]
> Betreff: Re: [Boost-users] Visual C++ 8 - Example Crashes with Access
> Violation
>
> Brown Gabe wrote:
> > I tried commenting out the std::cout call and it still crashes for
> > some reason.  I'm trying to track down the problem to the
> > uninitialized memory but I can't seem to locate it for some reason.  I
> > tried implementing a slight simplier version to try and track down the
> fault.
> >
> > Can anyone reproduce this error on a vanilla install of Visual Studio
> 2005?
> > I'm wondering if this is a VC8 flaw for Boost or just some weird
> > libraries that I'm using with boost.
> >
> >
> > Here is the sample code:
> >
> > ==============[Sample Code]=====================
> >
> > void ThreadTest() {
> >
> >     return;
> >
> > };
> >
> >
> > int main(int argc, char* argv[])
> > {
> >
> >     boost::thread thrd(ThreadTest);
> >     thrd.join();
> >
> >    return 0;
> > }
> >
> > ==============[Sample Code]=====================
> >
> I tried this code, then a variant of this code, then the code you supplied
> in your first post, and they all ran without error in both Debug and
> Release
> build configurations. I made a Win32 console app using static Boost
> libraries and the static runtime. My Visual Studio 2005 installation is
> very
> new and totally vanilla. I guess this helps point you at some other
> library.
>
> I still wonder, can't you set a breakpoint to trigger when the exception
> is
> thrown? If you break at that point, the offender should be on the stack.
>
> - Rush
>
>
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--
-Gabe