On 9 Sep 2013 21:55, "Gonzalo Garramuno" <ggarra13@gmail.com> wrote:

I have an application where I need to pass "this" in a callback belonging to a class to a function using a shared_ptr in another thread

In code:

struct Data
{
    Data( void* p ) :
    ptr( p )
   {
   }

    boost::shared_ptr<void> ptr;
};

void threadA( Data* d )
{
    boost::shared_ptr<void> ptr( d->ptr );
    delete d;
    // use ptr
}

class A
{
   void init_thread()
   {
     Data* data = new Data( this );
     boost.thread t( boost::bind( threadA, data ) );
   }
};

The problem is obvious.  Once threadA closes, the shared ptr is destroyed as its count is 0 and as it points to the this of class A this gets deleted too.
However my class A is still active and should not get deleted.  How can I work around this?

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