void load_thread_proc(const std::string name);
void sample_thread_proc(struct sr_dev_inst *sdi,
void load_thread_proc(const std::string name);
void sample_thread_proc(struct sr_dev_inst *sdi,
void feed_in_meta(const sr_dev_inst *sdi,
const sr_datafeed_meta &meta);
void feed_in_meta(const sr_dev_inst *sdi,
const sr_datafeed_meta &meta);