Re: [Boost-users] [boost.thread] destruction of condition variables

From: Peter Dimov (pdimov_at_[hidden])
Date: 2008-07-25 11:43:33

Anthony Williams:

> However, it is never safe to destroy any object whilst another thread
> might still be in a member function.

I believe that this is a "POSIX destruction safety" issue. POSIX CVs are 
supposed to support such code.

> If you use your mutex to protect the notify too, everything will be fine.

I think that if the mutex doesn't offer "POSIX destruction safety", the code 
can still fail. Thread A may be unblocked and destroy the mutex while thread 
B is still in mutex::unlock.

http://lists.boost.org/Archives/boost/2004/07/68477.php