Function worker_thread

examples/source/docs/std_thread.cpp:25–58

};

void worker_thread(worker_data& data) {
	for ([[maybe_unused]] std::uint64_t loops = 0; true; ++loops) {
		// Wait until main() sends data
		std::unique_lock<std::mutex> data_lock(
		     data.until_ready_mutex);
		data.until_ready_condition.wait(
		     data_lock, [&data] { return data.is_ready; });

		if (data.payload.size() == 0) {
			// signaling we are done
			return;
		}

		// just for easier typing
		sol::state& lua = data.worker_lua;

		// we own the lock now, do the work
		std::variant<double, std::vector<double>> result
		     = lua.safe_script(data.payload.as_string_view());

		// store returning payload,
		// clear current payload
		data.return_payload = std::move(result);
		data.payload.clear();

		// Send result back to main
		std::cout << "worker_thread data processing is "
		             "completed: signaling & unlocking\n";
		data.is_processed = true;
		data.is_ready = false;
		data_lock.unlock();
		data.until_ready_condition.notify_one();
	}
}

int main() {