Method abortPreview_blocking

Engine/Node.cpp:1332–1350

}

void
Node::Implementation::abortPreview_blocking(bool allowPreviewRenders)
{
    bool computing;
    {
        QMutexLocker locker(&computingPreviewMutex);
        computing = computingPreview;
        previewThreadQuit = !allowPreviewRenders;
    }

    if (computing) {
        QMutexLocker l(&mustQuitPreviewMutex);
        assert(!mustQuitPreview);
        ++mustQuitPreview;
        while (mustQuitPreview) {
            mustQuitPreviewCond.wait(l.mutex());
        }
    }
}

bool
Node::Implementation::checkForExitPreview()