Re: [Boost-users] [boost-users][bind, signal] binding a weak_ptr?

From: Frank Mori Hess (frank.hess_at_[hidden])
Date: 2008-07-22 14:08:29

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On Tuesday 22 July 2008 11:57 am, Igor R wrote:
> ...by the way, in the document of the thread_safe_signals the
> following example appears:
>
> // ...
> boost::shared_ptr<NewsMessageArea> newsMessageArea(new
> NewsMessageArea(/* ... */));
> // ...
> deliverNews.connect(signal_type::slot_type(&NewsMessageArea::displayNews,
>   newsMessageArea, _1).track(newsMessageArea));
>
> I.e., the slot is both tracked *and* bound as shared_ptr.
> But if it's bound as a shared_ptr, it will never expire, so the
> tracking is useless here, isn't it? Or am I miss something?

Yes, you're right, thanks for reporting that.  I've added a .get() so it binds 
a raw pointer.
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