Re: [Boost-users] Boost shared pointers, PThreads and void* casts

From: Andrew Holden (aholden_at_[hidden])
Date: 2007-12-18 13:12:22

Zeljko Vrba [zvrba_at_[hidden]] wrote:
> He might just allocate the shared_ptr on the heap (the
> dynamic memory allocation will be anyway cheaper than thread
> creation): 
> 
> void *thread(void *ptr)
> {
>   shared_ptr<X> *_p = static_cast<shared_ptr<X>*>(ptr);  
>   shared_ptr<X> p = *_p;
>   delete _p;
>   ...
> }
> 
> void creator()
> {
>   ...
>   pthread_create(&thrid, 0, thread, new shared_ptr<X>(orig_ptr));  
>   ...
> }
> 
> No need for any additional synchronization.

Good point.  And certainly much simpler than my solution.