Function waitScreenshotThreadIsOver

layersvt/screenshot.cpp:429–439

void stopScreenshotThread() { shutdownScreenshotThread = true; }

void waitScreenshotThreadIsOver() {
    if (!screenshotThreadStarted) return;
    {
        std::unique_lock<std::mutex> lock(globalLock);
        screenshotQueuedCV.notify_all();
    }
    if (screenshotWriterThread.joinable()) {
        screenshotWriterThread.join();
    }
    screenshotThreadStarted = false;
}

static void shutdown_screenshot() {
    stopScreenshotThread();