Method abortPreview_non_blocking

Engine/Node.cpp:1317–1330

void
Node::Implementation::abortPreview_non_blocking()
{
    bool computing;
    {
        QMutexLocker locker(&computingPreviewMutex);
        computing = computingPreview;
    }

    if (computing) {
        QMutexLocker l(&mustQuitPreviewMutex);
        ++mustQuitPreview;
    }
}

void
Node::Implementation::abortPreview_blocking(bool allowPreviewRenders)