on Sat Nov 15 2008, "Leonard Ritter" <paniq-AT-paniq.org> wrote:
> I think I know what the issue is, and it indeed relates to a piece of code I
> have
> not posted yet.
>
> void Actor::add(const ActorPtr &actor) {
> assert(actor);
> assert(!actor->parent);
> actor->parent = ActorPtr(this);
Whoa, this is very bad juju. Who/what is managing the lifetime of *this
before this call is made? Afterwards, you have two owners for *this.
> children.push_back(actor);
> queue_redraw();
> }
>
> Actor is a tree element with children and a parent pointer. I guess
> that assigning ActorPtr(this) appears to construct a new pointer for
> an object that is already registered to boost.python.
Given what you write above, my first guess is that you want to be using
both weak_ptr and shared_from_this in your design.
--
Dave Abrahams
BoostPro Computing
http://www.boostpro.com
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