Re: [boost] Boost.Threads, N2178, N2184, et al

From: Stefan Seefeld (seefeld_at_[hidden])
Date: 2007-03-26 13:56:49

Howard Hinnant wrote:

> Fair point.  Perhaps we should go back to a more fundamental question:
> 
> std::thread t(f);
> ...
> t.cancel();  // Logically is this a const or non-const operation on  
> the thread executing t/f?
> 
> To answer that question probably involves the very definition of  
> cancellation.  The "t.cancel()" can reasonably be interpreted in two  
> different ways:
> 
> 1.  Owner to t:  I'm no longer interested in your computation (but  
> somebody else might be).
> 2.  Owner to t:  I want you to clean-up and stop as soon as possible.

Isn't the first point more in line with what in POSIX threads is
described by a 'detach' ? (once a thread is detached, it can't be
joined any more. It still can be canceled.

Thanks,
                Stefan

-- 
      ...ich hab' noch einen Koffer in Berlin...