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

From: STenyaK (Bruno Gonzalez) (stenyak_at_[hidden])
Date: 2007-12-19 10:11:07

On 12/19/07, Andrew Holden <aholden_at_[hidden]> wrote:
> STenyaK (Bruno Gonzalez) [stenyak_at_[hidden]] wrote:
> typedef shared_ptr<MyClass> pMyClass;
> void* MyClass::actionThread(void *objectPointer)
> {
>     MyClass * _obj = static_cast<MyClass*>(objectPointer);
>     pMyClass obj = _obj->shared_from_this();
>     obj->action(false);
> }
>
> void MyClass::action(bool threaded)
> {
>     if (threaded)
>     {
>         pthread_t tid;
>         pthread_create(&tid, 0, actionThread, this)
>     } else {
>         //TODO: actually perform the action
>     }
> }
> ----------------------------
>
> This works because shared_from_this is specifically designed to allow
> member functions of a class to recover the shared pointer to the object.

Just in case... actionThread is a static method of the class, since
otherwise C++ won't allow me to get a pointer of it (and i dislike
global functions). Does this fact have any implications in the last
proposed code sample?

Thanks again to everybody.

-- 
Saludos,
     Bruno González
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