Re: [Boost-users] [asio] io_service use in dll leads to service_registry crash

Subject: Re: [Boost-users] [asio] io_service use in dll leads to service_registry crash
From: joshr (joshrehm_at_[hidden])
Date: 2009-02-18 13:54:59

Igor R wrote:
> 
> I built and run your code. It really crashes if you forcibly unload the
> dll
> but it does *not* crash if I comment-out this line *or* if I remove
> acceptor
> object from the dll code. It seems that the reason of the crash is that a
> dll statically linked to CRT has its own private CRT (including memmoty
> management), so when you free the dll, all the asio objects created from
> within the dll (asio services in this case) become inaccessible.
> Try and build asio, dll and the host app with dynamic CRT - probably this
> will help.
> 

This was the same behavior I saw as well after further testing and came to
the same conclusions.  Ultimately I want to hide the Boost interface from
plugin developers so that I don't require the use of Boost.  For this
initial implementation, which I have to write, I was hoping to pass the
boost objects as a temporary stepping stone.

At any rate, thank you very much for your feedback!  It definitely gives me
some things to rethink in my design.
-- 
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