Method wait_or_timeout

dlib/threads/threads_kernel_1.h:96–106

        }

        bool wait_or_timeout (
            unsigned long milliseconds
        ) const
        { 
            std::unique_lock<std::mutex> cs(m.cs, std::adopt_lock);
            auto status = cv.wait_until(cs, std::chrono::system_clock::now() + std::chrono::milliseconds(milliseconds));
            // Make sure we don't actually modify the mutex. Since the calling code will have locked
            // it and it should remain locked.
            cs.release();			
            return status == std::cv_status::no_timeout;
        }

        void signal (
        ) const