Re: [Boost-users] Serialisation across libraries.

From: Robert Ramey (ramey_at_[hidden])
Date: 2007-05-08 10:56:44

A little extra information would be helpful.

a) what compiler/linker etc are you using
b) which version of boost serialization are you using.
c) what kind of library: static, DLL, or?
d) Is this an issue related to shared_ptrs or more general?

Robert Ramey

Hughes, James wrote:
> Hello all,
>
> I am a bit stumped by a problem I am seeing with serialisation, and
> wondered whether it may be due to the way I sue some libraries.
>
> I have two libraries, one which contains the main code that uses
> serialisation, and another which contains some small classes used by
> the main code.
>
> The main code serialises a tree like data structure containing some
> shared pointers, each node of the 'tree' contains member data, and its
> one of these members that is causing a double free or corruption error
> on loading. This particular member is a structure from the other
> library. It contains a serialisation template in the class header
> which appears to save correctly - the XML output all appears correct.
> However on loading the double free error occurs.
>
> I cannot see anything wrong with the code at all. The only thing I can
> think of is that there are limitations in doing serialisation across
> the library boundary. Perhaps I end up with two instantiations of the
> template for serialisation? One in the main library, and one in the
> small library? Am I clutching at straws? DO I somehow have to force
> the instantiation of the serialisation for the class in the sub
> library to be in there, rather than being created again in the main
> library?
>
> Any thoughts?
>
> James
>
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