Re: [Boost-users] how to free thread object

Subject: Re: [Boost-users] how to free thread object
From: Christopher Pisz (cpisz_at_[hidden])
Date: 2011-10-10 10:43:09

davieyan <davieyan <at> gmail.com> writes:

> 
> Hi, 
>   I write code to start a thread,but how to free this thread. 
>   code: 
> 
> void helloworld() 
> { 
>   std::cout << "Hello World!" << std::endl; 
> } 
> 
> int main() 
> { 
>   boost::thread thrd(&helloworld); 
>   thrd.join(); 
> }
> 
> --
> View this message in context: http://boost.2283326.n4.nabble.com/how-to-free-
thread-object-tp3888900p3888900.html
> Sent from the Boost - Users mailing list archive at Nabble.com.
> 

The thread starts in its constructor call with the parameter you passed. At 
that point, helloworld() executes on the thread. When helloworld() returns, 
the thread exits. join() waits for it to exit. When main() returns, thrd goes 
out of scope and is destroyed.