Re: [boost] [Serialization] memory leak when serialising a map containing shared_ptrs

Subject: Re: [boost] [Serialization] memory leak when serialising a map containing shared_ptrs
From: richard bradley (ricbrad_at_[hidden])
Date: 2010-01-28 06:01:06

Given that I have a repro case, this is probably better as a Trac bug.
I've raised a Trac ticket here: https://svn.boost.org/trac/boost/ticket/3870
Thanks,
Rich

On Tue, Jan 26, 2010 at 5:50 PM, richard bradley <ricbrad_at_[hidden]> wrote:

> I'm finding that Boost.Serialization is leaking memory when deserialising
> std::map<string,boost::shared_ptr<X>>.
> Maybe this is a sign that my data structures are too complicated? ;-)
> This wouldn't bother me that much, except that I'm also using Boost.Test,
> which gives lots of angry messages about leaked memory at the end of my
> tests (I'm using MSCRT).
> I've attached a simple test case which demonstrates this.
> Can anyone shed some light on what's going on here? Have I used any of the
> libraries incorrectly? Is there anything I can do to fix this?
> I'm using Visual Studio 2008, and boost 1.41.0
> The output from the attached test looks like:
> ===========
> Running 1 test case...
> MyClass @3532504 with 1 children
>
>
> MyClass @3532960 with 1 children
> Detected memory leaks!
> Dumping objects ->
> {800} normal block at 0x0035EDE8, 1 bytes long.
>  Data: < > CD
> Object dump complete.
> ===========
>
> I've also attached a stack trace which I got by breaking on the non-free'd
> memory allocation,using "--detect_memory_leak=800"
> Thanks very much,
> Rich
>