Re: [Boost-users] shared_ptr memory leak in VC2005?

From: Jeff Flinn (TriumphSprint2000_at_[hidden])
Date: 2007-10-29 09:29:41

zzp good wrote:
> hi, guys, I found memory leak using the following code:
> 
> #include <boost\array.hpp>
> #include <boost\shared_ptr.hpp>
> using namespace boost;
> 
> class C
> {
> public:
>     shared_ptr<C> pNext;
> };
> 
> void test()
> {
>     shared_ptr<C> c0(new C());
>     shared_ptr<C> c1(new C());
>     c0 -> pNext = c1;
>     c1 -> pNext = c0;
> }
> 
> void main()
> {
>     test();
> 
>     _CrtDumpMemoryLeaks();
> }

See http://www.boost.org/libs/smart_ptr/weak_ptr.htm. It's specifically 
designed to break these sorts of ownership cycles.

Jeff Flinn