std::thread*, std::vector<std::thread> >; _ForwardIterator = std::thread*]’: /usr/include/c++/11/bits/stl_uninitialized.h:333:37: required from‘_ForwardIterator std::__uninitialized_copy_a(_InputIterator, _In
在前面的基础上,参考 【公开课】C++11开始的多线程编程(#5)_哔哩哔哩_bilibili这里继续重构: 加入全局变量:std::vector<std::thread> th_pool; main.cpp: #include <iostream> #include <thre…
required from 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::thread; _Alloc = std::allocator<std::thread>; std::vector<_Tp, _Alloc>::value_type = std::thread]' main.cpp:37:30: required from here /usr/local/include/c++/5.1.0/ext/new_allocator...
push_back(std::thread(func)); // Create 3 differet thread objects std::thread th1(func); std::thread th2(func); std::thread th3(func); // Move all three thread objects to vector vecOfThreads.push_back(std::move(th1)); vecOfThreads.push_back(std::move(th2)); vecOfThreads....
threads.push_back(std::thread(increase_global,1000));//分开写: thread t()// thread.push_back(t) 就无法编译通过,因为要用到operator= ,而 thread只允许move semnantics,就是只允许右值引用类似的 对于c++11里的foreach ,可以解释为 http://en.cppreference.com/w/cpp/language/range-for{ ...
求助,std::ve..如题,编译器为mingw,未使用cmake,其他都好好的,补充:vs2022中可运行,如果gcc实在不行,如何在vscode中设置与vs2022一样的环境(编译选项)呢
三种std::vector并发安全的设计思路 vector的并发读写问题 众所周知,C++标准库中的vector不保证线程安全。当我们在并发读写vector时,往往会面临两方面的风险: 内容读取异常:例如两个线程一个在读,一个在写,或者两个线程同时在写,都会导致单个数据内部出现不一致的情况。
std::vector<int>data={1,2,3,4,5};std::threadt(worker,data);t.join();return0;} cpp 运行 #include<iostream>#include<vector>#include<thread> voidworker(std::vector<int>&vec){ // 对vec的修改会影响原始vector for(int&val:vec){ val*=2;}} intmain(){ std::vector<int>data={1,2,...
std::unique_ptr<std::thread> thread_; std::string threadName_; bool isRunning_; Derived* cast() { return static_cast<Derived*>(this); } Derived* cast() const { return static_cast<const Derived*>(this); } ThreadBase(std::string name) ...
push_back(value); } void print_vector() { std::lock_guard<std::mutex> lock(mtx); for (auto& v : vec) { std::cout << v << " "; } std::cout<< std::endl; } int main() { std::thread t1(push_back, 1); std::thread t2(push_back, 2); std::thread t3(print_vector)...