Re: [Boost-users] C# application crashes due exception in exception_ptr.hpp

Subject: Re: [Boost-users] C# application crashes due exception in exception_ptr.hpp
From: Markus Pieper (onkelhotte_at_[hidden])
Date: 2015-06-15 04:33:54

Thank you for the input.

We chose to use a clr dll because we can easily instantiate objects and 
don't need the "old" dllimport and dllexport syntax.

As we already put a lot of effort in this dll I don't think I couldn't 
rewrite everything.

Best regards,
Markus

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Am 12. Juni 2015 17:16:18 schrieb Damien <damien_at_[hidden]>:

> On 2015-06-12 1:09 AM, Markus Pieper wrote:
> > Hi there,
> >
> > I´m new to boost so this might be a silly question.
> >
> > We have a simulation that is written in C++ and compiled as a static lib.
> > It uses a few boost (v1.56) functions like thread.
> >
> > My job is to create a WPF GUI, that uses this lib. For that, I created a
> > C++ CLR DLL which interacts as a wrapper between .NET GUI and the unmanaged
> > libs.
> >
> > Everything works fine but closing my program results in a crash. This crash
> > is described here: http://stackoverflow.com/questions/8144630/mixed-mode-c-
> > cli-dll-throws-exception-on-exit
> > And someone replied, that the reason for this lies in the exception_ptr.hpp
> > beacause a "static exception_ptr ep" is being used instead
> > of "exception_ptr ep".
> > When I delete the static attribute, my program ends normally without the
> > crash.
> >
> > My understanding of C++ is not that big, so I can´t say why it crashes
> > here. But the boost programmers have a reason to do so.
> >
> > I also followed These advices
> > (http://thread.gmane.org/gmane.comp.lib.boost.user/44515) but with no
> > further luck.
> >
> > Best regards,
> > Markus
> > _______________________________________________
> > Boost-users mailing list
> > Boost-users_at_[hidden]
> > http://lists.boost.org/mailman/listinfo.cgi/boost-users
>
> I'd like to make a suggestion based on experience.  I've had to do
> exactly what you're describing and build a WPF UI on a C++ simulation
> application.  Use .Net's System.Runtime.InteropServices with DllImport
> and wrap your C++ lib in a plain C DLL.  It doesn't take as long as you
> might think but it is more work.  You'll have better separation of
> responsibilities and it doesn't prevent the use of Boost.
>
> Damien
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