Re: [Boost-users] Problem with enable_shared_from_this and shared_ptr

Subject: Re: [Boost-users] Problem with enable_shared_from_this and shared_ptr
From: Ryan McConnehey (mccorywork_at_[hidden])
Date: 2010-07-20 23:59:23

Michael Caisse wrote:
> Ryan McConnehey wrote:
>> Michael Caisse wrote:
>>> Ryan -
>>>
>>> See the documentation here:
>>> <http://www.boost.org/doc/libs/1_43_0/libs/smart_ptr/enable_shared_from_this.html> 
>>>
>>>
>>> There must be at least one shared_ptr instance that owns the object 
>>> that you are calling shared_from_this() on. Also see the examples at 
>>> the above link.
>>>
>>> hth -
>>> michael
>>>
>> I've looked at that documentation already.  That's part of why of I 
>> know I should be able to do what I want.
>>
>> Ryan
>
> Not very carefully... so let me quote from the above link directly:
>
> ---------------
>
> template<class T> shared_ptr<T const> 
> enable_shared_from_this<T>::shared_from_this() const;
>
>    *Requires:* *enable_shared_from_this<T>* must be an accessible base 
> class of *T*.    **this* must be a subobject of an instance *t* of 
> type *T* . There must exist at least    one *shared_ptr* instance *p* 
> that /owns/ *t*
>
> -------------------
>
Your right.  I didn't understand that part very well.  After I put pool 
in a shared_ptr it worked fine.  Thanks for your help.

Ryan