Method processUpdates

3rdparty/openal/alc/alc.cpp:1541–1565

void ALCcontext::processUpdates()
{
    std::lock_guard<std::mutex> _{mPropLock};
    if(mDeferUpdates.exchange(false))
    {
        /* Tell the mixer to stop applying updates, then wait for any active
         * updating to finish, before providing updates.
         */
        mHoldUpdates.store(true, std::memory_order_release);
        while((mUpdateCount.load(std::memory_order_acquire)&1) != 0)
            std::this_thread::yield();

        if(!mPropsClean.test_and_set(std::memory_order_acq_rel))
            UpdateContextProps(this);
        if(!mListener.PropsClean.test_and_set(std::memory_order_acq_rel))
            UpdateListenerProps(this);
        UpdateAllEffectSlotProps(this);
        UpdateAllSourceProps(this);

        /* Now with all updates declared, let the mixer continue applying them
         * so they all happen at once.
         */
        mHoldUpdates.store(false, std::memory_order_release);
    }
}


/* alcSetError