inline void condition_variable::wait(unique_lock<mutex>& m)

    {

        thread_cv_detail::lock_on_exit<unique_lock<mutex> > guard;

        detail::interruption_checker check_for_interruption(&internal_mutex,&cond);

        guard.activate(m);

        int const res=pthread_cond_wait(&cond,&internal_mutex);

        BOOST_ASSERT(!res);

        this_thread::interruption_point();

    }