blocking during stop() call until all worker-threads exit
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@ -1056,7 +1056,13 @@ scanner_err hg_scanner_mgr::hg_scanner_start(scanner_handle h, void* async_event
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}
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scanner_err hg_scanner_mgr::hg_scanner_stop(scanner_handle h)
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{
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return (scanner_err)SCAN_PTR(h)->stop();
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scanner_err err = (scanner_err)SCAN_PTR(h)->stop();
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// call from APP, block when all working-threads stopped - added on 2023-10-18 when handled double-feeding in SANE
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while (SCAN_PTR(h)->is_running() != hg_scanner::THREAD_RUNNING_IDLE)
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std::this_thread::sleep_for(std::chrono::milliseconds(3));
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return err;
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}
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scanner_err hg_scanner_mgr::hg_scanner_get_img_info(scanner_handle h, SANE_Parameters* bmi, long len)
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{
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