xmemory(348): error C4996: 'std::_Uninitialized_copy0': 的解决方法

最新推荐文章于 2024-01-23 14:28:10 发布
最新推荐文章于 2024-01-23 14:28:10 发布
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分类专栏： C++ 文章标签： boost vs2012 error C4996
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本文介绍在Visual Studio 2012环境中使用Boost库时遇到的警告错误，并提供了一种通过添加预处理器标记_SCL_SECURE_NO_WARNINGS到项目属性来解决此问题的方法。

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我是在VS2012环境下，使用boost库中的函数时产生了如下的错误：

xmemory(348): error C4996: 'std::_Uninitialized_copy0': Function call with parameters that may be unsafe ，

经过查资料和不断探索，找到了一个勉强的解决方法：

即，将_SCL_SECURE_NO_WARNINGS 标记加入项目属性，具体做法如下

（1）点击左侧的属性管理器


（2）双击自己的项目，进行属性设置



（3）在预处理器定义中添加_SCL_SECURE_NO_WARNINGS 就可以了。

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/data1/lch420572/usr/local/gcc11/include/c++/11.2.0/bits/stl_uninitialized.h: In instantiation of ‘_ForwardIterator std::uninitialized_copy(_InputIterator, _InputIterator, _ForwardIterator) [with _InputIterator = __gnu_cxx::__normal_iterator<const std::unique_ptr<thread::Worker>*, std::vector<std::unique_ptr<thread::Worker> > >; _ForwardIterator = std::unique_ptr<thread::Worker>*]’: /data1/lch420572/usr/local/gcc11/include/c++/11.2.0/bits/stl_uninitialized.h:333:37: required from ‘_ForwardIterator std::__uninitialized_copy_a(_InputIterator, _InputIterator, _ForwardIterator, std::allocator<_Tp>&) [with _InputIterator = __gnu_cxx::__normal_iterator<const std::unique_ptr<thread::Worker>*, std::vector<std::unique_ptr<thread::Worker> > >; _ForwardIterator = std::unique_ptr<thread::Worker>*; _Tp = std::unique_ptr<thread::Worker>]’ /data1/lch420572/usr/local/gcc11/include/c++/11.2.0/bits/stl_vector.h:558:31: required from ‘std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = std::unique_ptr<thread::Worker>; _Alloc = std::allocator<std::unique_ptr<thread::Worker> >]’ /home/lch420572/learn/thread_pool.h:145:25: required from here /data1/lch420572/usr/local/gcc11/include/c++/11.2.0/bits/stl_uninitialized.h:138:72: error: static assertion failed: result type must be constructible from value type of input range 138 | static_assert(is_constructible<_ValueType2, decltype(*__first)>::value,
03-23
首先，用户提供的错误信息显示在实例化`std::uninitialized_copy`时出现了一个静态断言失败，提示结果类型必须可以从输入范围的值类型构造。错误发生在尝试拷贝`std::vector<std::unique_ptr<thread::Worker>>`的...
#include "../include/include/realtime_utils/realtime_utils.hpp" #include <rclcpp/rclcpp.hpp> #include <std_msgs/msg/float64.hpp> #include <chrono> #include <thread> #include <vector> #include <string> #include <memory> #include <atomic> #include <limits> using namespace std::chrono_literals; // 原子操作辅助工具 namespace atomic_utils { template<typename T> void atomic_update_max(std::atomic<T>& atomic_var, T value) { T current = atomic_var.load(); while (value > current && !atomic_var.compare_exchange_weak(current, value)) {} } template<typename T> void atomic_update_min(std::atomic<T>& atomic_var, T value) { T current = atomic_var.load(); while (value < current && !atomic_var.compare_exchange_weak(current, value)) {} } } // 多线程订阅者节点 class MultiThreadSubscriber : public rclcpp::Node { public: // 线程统计结构（全原子操作） struct ThreadStats { std::atomic<uint64_t> message_count{0}; std::atomic<uint64_t> total_latency{0}; // 改为uint64避免溢出 std::atomic<int64_t> max_latency{0}; std::atomic<int64_t> min_latency{std::numeric_limits<int64_t>::max()}; // 原子重置方法 void reset() { message_count = 0; total_latency = 0; max_latency = 0; min_latency = std::numeric_limits<int64_t>::max(); } }; // 消息数据结构 struct MessageData { double value; std::chrono::steady_clock::time_point receive_time; int thread_id; }; // 构造函数 MultiThreadSubscriber() : Node("multithread_subscriber") { // 参数声明 declare_parameter("thread_count", 4); declare_parameter("process_time_us", 200); // 获取参数 int thread_count = get_parameter("thread_count").as_int(); int process_time = get_parameter("process_time_us").as_int(); thread_stats_.resize(thread_count); // 创建订阅线程 for (int i = 0; i < thread_count; ++i) { threads_.emplace_back(&MultiThreadSubscriber::subscriber_loop, this, i, process_time); } // 创建低优先级监控线程 monitor_thread_ = std::thread([this]() { pthread_setname_np(pthread_self(), "monitor_thread"); realtime_utils::RTThread::set_current_thread_priority(SCHED_OTHER, 0); monitor_loop(); }); } // 析构函数 ~MultiThreadSubscriber() { running_ = false; for (auto& thread : threads_) { if (thread.joinable()) thread.join(); } if (monitor_thread_.joinable()) monitor_thread_.join(); } private: // 订阅线程主循环 void subscriber_loop(int thread_id, int process_time) { // 设置高实时优先级 std::string thread_name = "sub_thread_" + std::to_string(thread_id); pthread_setname_np(pthread_self(), thread_name.c_str()); if (!realtime_utils::RTThread::set_current_thread_priority( SCHED_FIFO, 90 - thread_id)) { // 提高优先级 RCLCPP_ERROR(get_logger(), "Thread %d failed to set real-time priority", thread_id); } // 创建专属话题 auto topic_name = "control_topic_" + std::to_string(thread_id); auto qos = rclcpp::QoS(100).reliable().durability_volatile(); // 增加队列大小 // 创建订阅器 auto sub = create_subscription<std_msgs::msg::Float64>( topic_name, qos, [this, thread_id](const std_msgs::msg::Float64::SharedPtr msg) { MessageData data; data.value = msg->data; data.receive_time = std::chrono::steady_clock::now(); data.thread_id = thread_id; if (!message_buffer_.push(data)) { RCLCPP_WARN_THROTTLE(get_logger(), *get_clock(), 1000, "Thread %d buffer full, message dropped", thread_id); } }); // 主处理循环 while (rclcpp::ok() && running_) { MessageData data; if (message_buffer_.pop(data)) { // 模拟处理耗时 std::this_thread::sleep_for(std::chrono::microseconds(process_time)); // 计算端到端延迟 auto latency = std::chrono::duration_cast<std::chrono::microseconds>( std::chrono::steady_clock::now() - data.receive_time).count(); // 无锁更新统计 update_thread_stats(data.thread_id, latency); } else { std::this_thread::sleep_for(100us); // 更短的休眠 } } } // 无锁统计更新 void update_thread_stats(size_t thread_id, int64_t latency) { if (thread_id >= thread_stats_.size()) return; auto& stats = thread_stats_[thread_id]; stats.message_count++; stats.total_latency += latency; atomic_utils::atomic_update_max(stats.max_latency, latency); atomic_utils::atomic_update_min(stats.min_latency, latency); } // 监控循环（无锁） void monitor_loop() { auto last_print = std::chrono::steady_clock::now(); while (rclcpp::ok() && running_) { std::this_thread::sleep_for(5s); // 降低输出频率 // 原子获取统计快照 std::vector<ThreadStats> snapshot; for (auto& stats : thread_stats_) { ThreadStats s; s.message_count = stats.message_count.exchange(0); s.total_latency = stats.total_latency.exchange(0); s.max_latency = stats.max_latency.exchange(0); s.min_latency = stats.min_latency.exchange(std::numeric_limits<int64_t>::max()); snapshot.push_back(s); } // 输出统计（非实时上下文） print_stats(snapshot); } } // 打印统计（无锁） void print_stats(const std::vector<ThreadStats>& snapshot) { RCLCPP_INFO(get_logger(), "\n=== Subscriber Threads Stats ==="); for (size_t i = 0; i < snapshot.size(); ++i) { const auto& stats = snapshot[i]; if (stats.message_count == 0) continue; double avg_latency = static_cast<double>(stats.total_latency) / stats.message_count; RCLCPP_INFO(get_logger(), "Thread %zu: %lu msgs | Avg: %.2f us | Max: %ld us | Min: %ld us", i, stats.message_count.load(), avg_latency, stats.max_latency.load(), stats.min_latency.load()); } } // 成员变量 std::vector<std::thread> threads_; std::thread monitor_thread_; std::atomic<bool> running_{true}; realtime_utils::LockFreeRingBuffer<MessageData, 20000> message_buffer_; // 增大缓冲区 std::vector<ThreadStats> thread_stats_; // 无锁统计 }; int main(int argc, char** argv) { rclcpp::init(argc, argv); auto node = std::make_shared<MultiThreadSubscriber>(); rclcpp::spin(node); rclcpp::shutdown(); return 0; } #include "../include/include/realtime_utils/realtime_utils.hpp" #include <rclcpp/rclcpp.hpp> #include <std_msgs/msg/float64.hpp> #include <chrono> #include <thread> #include <vector> #include <string> #include <memory> #include <atomic> #include <limits> using namespace std::chrono_literals; // 原子操作辅助工具 namespace atomic_utils { template<typename T> void atomic_update_max(std::atomic<T>& atomic_var, T value) { T current = atomic_var.load(); while (value > current && !atomic_var.compare_exchange_weak(current, value)) {} } template<typename T> void atomic_update_min(std::atomic<T>& atomic_var, T value) { T current = atomic_var.load(); while (value < current && !atomic_var.compare_exchange_weak(current, value)) {} } } // 多线程发布者节点 class MultiThreadPublisher : public rclcpp::Node { public: // 线程统计结构（全原子操作） struct ThreadStats { std::atomic<uint64_t> message_count{0}; std::atomic<uint64_t> total_latency{0}; // 改为uint64避免溢出 std::atomic<int64_t> max_latency{0}; std::atomic<int64_t> min_latency{std::numeric_limits<int64_t>::max()}; // 原子重置方法 void reset() { message_count = 0; total_latency = 0; max_latency = 0; min_latency = std::numeric_limits<int64_t>::max(); } }; // 构造函数 MultiThreadPublisher() : Node("multithread_publisher") { // 参数声明 declare_parameter("thread_count", 4); declare_parameter("frequency", 500.0); // 获取参数 int thread_count = get_parameter("thread_count").as_int(); double frequency = get_parameter("frequency").as_double(); thread_stats_.resize(thread_count); // 初始化统计容器 // 创建发布线程 for (int i = 0; i < thread_count; ++i) { threads_.emplace_back(&MultiThreadPublisher::publisher_loop, this, i, frequency); } // 创建低优先级监控线程 monitor_thread_ = std::thread([this]() { pthread_setname_np(pthread_self(), "monitor_thread"); realtime_utils::RTThread::set_current_thread_priority(SCHED_OTHER, 0); monitor_loop(); }); } // 析构函数 ~MultiThreadPublisher() { running_ = false; for (auto& thread : threads_) { if (thread.joinable()) thread.join(); } if (monitor_thread_.joinable()) monitor_thread_.join(); } private: // 发布线程主循环 void publisher_loop(int thread_id, double frequency) { // 设置线程名和实时优先级 std::string thread_name = "pub_thread_" + std::to_string(thread_id); pthread_setname_np(pthread_self(), thread_name.c_str()); if (!realtime_utils::RTThread::set_current_thread_priority( SCHED_FIFO, 90 - thread_id)) { // 提高优先级 RCLCPP_ERROR(get_logger(), "Thread %d failed to set real-time priority", thread_id); } // 创建专属话题和发布器 auto topic_name = "control_topic_" + std::to_string(thread_id); auto qos = rclcpp::QoS(100).reliable().durability_volatile(); // 增加队列大小 auto pub = create_publisher<std_msgs::msg::Float64>(topic_name, qos); // 计算发布周期 const auto period = std::chrono::nanoseconds(static_cast<int64_t>(1e9 / frequency)); auto start_time = std::chrono::steady_clock::now(); uint64_t count = 0; // 复用消息对象 auto msg = std::make_shared<std_msgs::msg::Float64>(); msg->data = thread_id; while (rclcpp::ok() && running_) { auto next_time = start_time + count * period; std::this_thread::sleep_until(next_time); msg->data = count; pub->publish(*msg); auto latency = std::chrono::duration_cast<std::chrono::microseconds>( std::chrono::steady_clock::now() - next_time).count(); // 无锁更新统计 update_thread_stats(thread_id, latency); count++; } } // 无锁统计更新 void update_thread_stats(size_t thread_id, int64_t latency) { if (thread_id >= thread_stats_.size()) return; auto& stats = thread_stats_[thread_id]; stats.message_count++; stats.total_latency += latency; atomic_utils::atomic_update_max(stats.max_latency, latency); atomic_utils::atomic_update_min(stats.min_latency, latency); } // 监控循环（无锁） void monitor_loop() { auto last_print = std::chrono::steady_clock::now(); while (rclcpp::ok() && running_) { std::this_thread::sleep_for(5s); // 降低输出频率 // 原子获取统计快照 std::vector<ThreadStats> snapshot; for (auto& stats : thread_stats_) { ThreadStats s; s.message_count = stats.message_count.exchange(0); s.total_latency = stats.total_latency.exchange(0); s.max_latency = stats.max_latency.exchange(0); s.min_latency = stats.min_latency.exchange(std::numeric_limits<int64_t>::max()); snapshot.push_back(s); } // 输出统计（非实时上下文） print_stats(snapshot); } } // 打印统计（无锁） void print_stats(const std::vector<ThreadStats>& snapshot) { RCLCPP_INFO(get_logger(), "\n=== Publisher Threads Stats ==="); for (size_t i = 0; i < snapshot.size(); ++i) { const auto& stats = snapshot[i]; if (stats.message_count == 0) continue; double avg_latency = static_cast<double>(stats.total_latency) / stats.message_count; RCLCPP_INFO(get_logger(), "Thread %zu: %lu msgs | Avg: %.2f us | Max: %ld us | Min: %ld us", i, stats.message_count.load(), avg_latency, stats.max_latency.load(), stats.min_latency.load()); } } // 成员变量 std::vector<std::thread> threads_; std::thread monitor_thread_; std::atomic<bool> running_{true}; std::vector<ThreadStats> thread_stats_; // 无锁统计 }; int main(int argc, char** argv) { rclcpp::init(argc, argv); if (getuid() != 0) { RCLCPP_ERROR(rclcpp::get_logger("main"), "This program requires root privileges for real-time scheduling"); return 1; } auto node = std::make_shared<MultiThreadPublisher>(); rclcpp::spin(node); rclcpp::shutdown(); return 0; } 报错： --- stderr: realtime_demo /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp: In member function ‘void MultiThreadSubscriber::monitor_loop()’: /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp:154:14: warning: variable ‘last_print’ set but not used [-Wunused-but-set-variable] 154 | auto last_print = std::chrono::steady_clock::now(); | ^~~~~~~~~~ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp: In member function ‘void MultiThreadPublisher::monitor_loop()’: /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp:140:14: warning: variable ‘last_print’ set but not used [-Wunused-but-set-variable] 140 | auto last_print = std::chrono::steady_clock::now(); | ^~~~~~~~~~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/c++allocator.h:33, from /usr/include/c++/11/bits/allocator.h:46, from /usr/include/c++/11/memory:64, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/rclcpp.hpp:153, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/../include/include/realtime_utils/realtime_utils.hpp:3, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp:1: /usr/include/c++/11/ext/new_allocator.h: In instantiation of ‘void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = MultiThreadSubscriber::ThreadStats; _Args = {const MultiThreadSubscriber::ThreadStats&}; _Tp = MultiThreadSubscriber::ThreadStats]’: /usr/include/c++/11/bits/alloc_traits.h:516:17: required from ‘static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = MultiThreadSubscriber::ThreadStats; _Args = {const MultiThreadSubscriber::ThreadStats&}; _Tp = MultiThreadSubscriber::ThreadStats; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<MultiThreadSubscriber::ThreadStats>]’ /usr/include/c++/11/bits/stl_vector.h:1192:30: required from ‘void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = MultiThreadSubscriber::ThreadStats; _Alloc = std::allocator<MultiThreadSubscriber::ThreadStats>; std::vector<_Tp, _Alloc>::value_type = MultiThreadSubscriber::ThreadStats]’ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp:167:35: required from here /usr/include/c++/11/ext/new_allocator.h:162:11: error: use of deleted function ‘MultiThreadSubscriber::ThreadStats::ThreadStats(const MultiThreadSubscriber::ThreadStats&)’ 162 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp:35:12: note: ‘MultiThreadSubscriber::ThreadStats::ThreadStats(const MultiThreadSubscriber::ThreadStats&)’ is implicitly deleted because the default definition would be ill-formed: 35 | struct ThreadStats { | ^~~~~~~~~~~ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp:35:12: error: use of deleted function ‘std::atomic<long unsigned int>::atomic(const std::atomic<long unsigned int>&)’ In file included from /usr/include/c++/11/future:41, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/executors.hpp:18, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/rclcpp.hpp:155, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/../include/include/realtime_utils/realtime_utils.hpp:3, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp:1: /usr/include/c++/11/atomic:898:7: note: declared here 898 | atomic(const atomic&) = delete; | ^~~~~~ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp:35:12: error: use of deleted function ‘std::atomic<long unsigned int>::atomic(const std::atomic<long unsigned int>&)’ 35 | struct ThreadStats { | ^~~~~~~~~~~ In file included from /usr/include/c++/11/future:41, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/executors.hpp:18, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/rclcpp.hpp:155, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/../include/include/realtime_utils/realtime_utils.hpp:3, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp:1: /usr/include/c++/11/atomic:898:7: note: declared here 898 | atomic(const atomic&) = delete; | ^~~~~~ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp:35:12: error: use of deleted function ‘std::atomic<long int>::atomic(const std::atomic<long int>&)’ 35 | struct ThreadStats { | ^~~~~~~~~~~ In file included from /usr/include/c++/11/future:41, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/executors.hpp:18, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/rclcpp.hpp:155, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/../include/include/realtime_utils/realtime_utils.hpp:3, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp:1: /usr/include/c++/11/atomic:875:7: note: declared here 875 | atomic(const atomic&) = delete; | ^~~~~~ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp:35:12: error: use of deleted function ‘std::atomic<long int>::atomic(const std::atomic<long int>&)’ 35 | struct ThreadStats { | ^~~~~~~~~~~ In file included from /usr/include/c++/11/future:41, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/executors.hpp:18, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/rclcpp.hpp:155, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/../include/include/realtime_utils/realtime_utils.hpp:3, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp:1: /usr/include/c++/11/atomic:875:7: note: declared here 875 | atomic(const atomic&) = delete; | ^~~~~~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/c++allocator.h:33, from /usr/include/c++/11/bits/allocator.h:46, from /usr/include/c++/11/memory:64, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/rclcpp.hpp:153, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/../include/include/realtime_utils/realtime_utils.hpp:3, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp:1: /usr/include/c++/11/ext/new_allocator.h: In instantiation of ‘void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = MultiThreadPublisher::ThreadStats; _Args = {const MultiThreadPublisher::ThreadStats&}; _Tp = MultiThreadPublisher::ThreadStats]’: /usr/include/c++/11/bits/alloc_traits.h:516:17: required from ‘static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = MultiThreadPublisher::ThreadStats; _Args = {const MultiThreadPublisher::ThreadStats&}; _Tp = MultiThreadPublisher::ThreadStats; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<MultiThreadPublisher::ThreadStats>]’ /usr/include/c++/11/bits/stl_vector.h:1192:30: required from ‘void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = MultiThreadPublisher::ThreadStats; _Alloc = std::allocator<MultiThreadPublisher::ThreadStats>; std::vector<_Tp, _Alloc>::value_type = MultiThreadPublisher::ThreadStats]’ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp:153:35: required from here /usr/include/c++/11/ext/new_allocator.h:162:11: error: use of deleted function ‘MultiThreadPublisher::ThreadStats::ThreadStats(const MultiThreadPublisher::ThreadStats&)’ 162 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp:35:12: note: ‘MultiThreadPublisher::ThreadStats::ThreadStats(const MultiThreadPublisher::ThreadStats&)’ is implicitly deleted because the default definition would be ill-formed: 35 | struct ThreadStats { | ^~~~~~~~~~~ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp:35:12: error: use of deleted function ‘std::atomic<long unsigned int>::atomic(const std::atomic<long unsigned int>&)’ In file included from /usr/include/c++/11/future:41, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/executors.hpp:18, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/rclcpp.hpp:155, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/../include/include/realtime_utils/realtime_utils.hpp:3, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp:1: /usr/include/c++/11/atomic:898:7: note: declared here 898 | atomic(const atomic&) = delete; | ^~~~~~ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp:35:12: error: use of deleted function ‘std::atomic<long unsigned int>::atomic(const std::atomic<long unsigned int>&)’ 35 | struct ThreadStats { | ^~~~~~~~~~~ In file included from /usr/include/c++/11/future:41, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/executors.hpp:18, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/rclcpp.hpp:155, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/../include/include/realtime_utils/realtime_utils.hpp:3, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp:1: /usr/include/c++/11/atomic:898:7: note: declared here 898 | atomic(const atomic&) = delete; | ^~~~~~ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp:35:12: error: use of deleted function ‘std::atomic<long int>::atomic(const std::atomic<long int>&)’ 35 | struct ThreadStats { | ^~~~~~~~~~~ In file included from /usr/include/c++/11/future:41, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/executors.hpp:18, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/rclcpp.hpp:155, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/../include/include/realtime_utils/realtime_utils.hpp:3, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp:1: /usr/include/c++/11/atomic:875:7: note: declared here 875 | atomic(const atomic&) = delete; | ^~~~~~ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp:35:12: error: use of deleted function ‘std::atomic<long int>::atomic(const std::atomic<long int>&)’ 35 | struct ThreadStats { | ^~~~~~~~~~~ In file included from /usr/include/c++/11/future:41, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/executors.hpp:18, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/rclcpp.hpp:155, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/../include/include/realtime_utils/realtime_utils.hpp:3, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp:1: /usr/include/c++/11/atomic:875:7: note: declared here 875 | atomic(const atomic&) = delete; | ^~~~~~ In file included from /usr/include/c++/11/memory:66, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/rclcpp.hpp:153, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/../include/include/realtime_utils/realtime_utils.hpp:3, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp:1: /usr/include/c++/11/bits/stl_uninitialized.h: In instantiation of ‘_ForwardIterator std::uninitialized_copy(_InputIterator, _InputIterator, _ForwardIterator) [with _InputIterator = std::move_iterator<MultiThreadPublisher::ThreadStats*>; _ForwardIterator = MultiThreadPublisher::ThreadStats*]’: /usr/include/c++/11/bits/stl_uninitialized.h:333:37: required from ‘_ForwardIterator std::__uninitialized_copy_a(_InputIterator, _InputIterator, _ForwardIterator, std::allocator<_Tp>&) [with _InputIterator = std::move_iterator<MultiThreadPublisher::ThreadStats*>; _ForwardIterator = MultiThreadPublisher::ThreadStats*; _Tp = MultiThreadPublisher::ThreadStats]’ /usr/include/c++/11/bits/stl_uninitialized.h:355:2: required from ‘_ForwardIterator std::__uninitialized_move_if_noexcept_a(_InputIterator, _InputIterator, _ForwardIterator, _Allocator&) [with _InputIterator = MultiThreadPublisher::ThreadStats*; _ForwardIterator = MultiThreadPublisher::ThreadStats*; _Allocator = std::allocator<MultiThreadPublisher::ThreadStats>]’ /usr/include/c++/11/bits/vector.tcc:659:48: required from ‘void std::vector<_Tp, _Alloc>::_M_default_append(std::vector<_Tp, _Alloc>::size_type) [with _Tp = MultiThreadPublisher::ThreadStats; _Alloc = std::allocator<MultiThreadPublisher::ThreadStats>; std::vector<_Tp, _Alloc>::size_type = long unsigned int]’ /usr/include/c++/11/bits/stl_vector.h:940:4: required from ‘void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type) [with _Tp = MultiThreadPublisher::ThreadStats; _Alloc = std::allocator<MultiThreadPublisher::ThreadStats>; std::vector<_Tp, _Alloc>::size_type = long unsigned int]’ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_publisher.cpp:60:29: required from here /usr/include/c++/11/bits/stl_uninitialized.h:138:72: error: static assertion failed: result type must be constructible from value type of input range 138 | static_assert(is_constructible<_ValueType2, decltype(*__first)>::value, | ^~~~~ /usr/include/c++/11/bits/stl_uninitialized.h:138:72: note: ‘std::integral_constant<bool, false>::value’ evaluates to false In file included from /usr/include/c++/11/memory:66, from /home/yidds/YiDDS/YiDDS_humble/install/rclcpp/include/rclcpp/rclcpp/rclcpp.hpp:153, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/../include/include/realtime_utils/realtime_utils.hpp:3, from /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp:1: /usr/include/c++/11/bits/stl_uninitialized.h: In instantiation of ‘_ForwardIterator std::uninitialized_copy(_InputIterator, _InputIterator, _ForwardIterator) [with _InputIterator = std::move_iterator<MultiThreadSubscriber::ThreadStats*>; _ForwardIterator = MultiThreadSubscriber::ThreadStats*]’: /usr/include/c++/11/bits/stl_uninitialized.h:333:37: required from ‘_ForwardIterator std::__uninitialized_copy_a(_InputIterator, _InputIterator, _ForwardIterator, std::allocator<_Tp>&) [with _InputIterator = std::move_iterator<MultiThreadSubscriber::ThreadStats*>; _ForwardIterator = MultiThreadSubscriber::ThreadStats*; _Tp = MultiThreadSubscriber::ThreadStats]’ /usr/include/c++/11/bits/stl_uninitialized.h:355:2: required from ‘_ForwardIterator std::__uninitialized_move_if_noexcept_a(_InputIterator, _InputIterator, _ForwardIterator, _Allocator&) [with _InputIterator = MultiThreadSubscriber::ThreadStats*; _ForwardIterator = MultiThreadSubscriber::ThreadStats*; _Allocator = std::allocator<MultiThreadSubscriber::ThreadStats>]’ /usr/include/c++/11/bits/vector.tcc:659:48: required from ‘void std::vector<_Tp, _Alloc>::_M_default_append(std::vector<_Tp, _Alloc>::size_type) [with _Tp = MultiThreadSubscriber::ThreadStats; _Alloc = std::allocator<MultiThreadSubscriber::ThreadStats>; std::vector<_Tp, _Alloc>::size_type = long unsigned int]’ /usr/include/c++/11/bits/stl_vector.h:940:4: required from ‘void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type) [with _Tp = MultiThreadSubscriber::ThreadStats; _Alloc = std::allocator<MultiThreadSubscriber::ThreadStats>; std::vector<_Tp, _Alloc>::size_type = long unsigned int]’ /home/yidds/YiDDS/multithreading_YIDDS/src/realtime_demo/src/multithread_subscriber.cpp:67:29: required from here /usr/include/c++/11/bits/stl_uninitialized.h:138:72: error: static assertion failed: result type must be constructible from value type of input range 138 | static_assert(is_constructible<_ValueType2, decltype(*__first)>::value, | ^~~~~ /usr/include/c++/11/bits/stl_uninitialized.h:138:72: note: ‘std::integral_constant<bool, false>::value’ evaluates to false 修改完给我完整的代码，要求功能基本不变，
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