本文主要是介绍Misra C++编程 0 warning示例代码，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
以下代码通过Polyspace使用Misra C++ 2008规则扫描后是0 warning。
如下有两个线程，一个订阅线程，另一个为发送线程
/*** Copyright (C) 2023 - Fake Inc.** All Rights Reserved.* thread_sub_pub.cpp*/
#include <condition_variable>
#include <iostream>
#include <mutex>
#include <queue>
#include <thread>namespace Fake {class DataBuffer {public:void push_data(int32_t p_data) noexcept {const std::lock_guard<std::mutex> lck_mux{mut_data_};data_queue_.push(p_data);data_available_.notify_one();}int32_t pop_data() noexcept {std::unique_lock<std::mutex> lck_mux{mut_data_};data_available_.wait(lck_mux, [&] { return !data_queue_.empty(); });int32_t front_data{0};front_data = data_queue_.front();data_queue_.pop();return front_data;}private:std::queue<int32_t> data_queue_;std::mutex mut_data_;std::condition_variable data_available_;
};static void process_producer_s(DataBuffer& buf_out) noexcept {int32_t proidx{0};for (; proidx < 10; ++proidx) {buf_out.push_data(proidx);std::this_thread::sleep_for(std::chrono::milliseconds(100));}
}static void process_consumer_s(DataBuffer& buf_in) noexcept {int32_t conidx{0};for (; conidx < 10; ++conidx) {int32_t p_data{0};p_data = buf_in.pop_data();std::cout << "Consumer received: " << p_data << std::endl;}
}} // namespace Fakeint32_t main() {int32_t main_res{0};try {Fake::DataBuffer buf_in;std::thread producer{Fake::process_producer_s, std::ref(buf_in)};std::thread consumer{Fake::process_consumer_s, std::ref(buf_in)};producer.join();consumer.join();main_res = 0;} catch (...) {std::cerr << "Exception occurred" << std::endl;main_res = 1; // Exception occurred}return main_res;
}
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