Re: [Boost-users] boost::thread callback copy problem

From: Peter Dimov (pdimov_at_[hidden])
Date: 2004-08-27 09:56:56

Doug Gregor wrote:
> On Aug 27, 2004, at 4:37 AM, Howard Cole wrote:
>>
>>     myclass test_instance;
>>     boost::thread test_thread(test_instance);
>>     test_thread.join();
>
> Just change the thread construction to use boost::ref:
>
> boost::thread test_thread(boost::ref(test_instance));

Yep. In addition you might want to consider using shared_ptr, because your 
ref-enhanced code will now need to keep track of test_instance and ensure 
that it isn't destroyed before the thread has finished.

    shared_ptr<myclass> px( new myclass );
    thread test_thread( &myclass::do_thread_stuff, px );

You can also use pimpl to hide the shared_ptr in myclass, but the above is 
easier, and you can make myclass noncopyable.