Method cancel_wait

thread/thread.cpp:104–112

        }

        __attribute__((noinline))
        int cancel_wait() override {
            {
                std::unique_lock<std::mutex> lock(_mutex);
                notify.store(true, std::memory_order_release);
            }
            _cvar.notify_all();
            return 0;
        }

        __attribute__((noinline))
        ssize_t wait_and_fire_events(uint64_t timeout) override {