std::thread t(&X::do_work, &my_x, num); t.join(); return 0; } 如果参数是引用: void f2(int& n) { for (int i = 0; i < 5; ++i) { std::cout << "Thread 2 executing\n"; ++n; std::this_thread::sleep_for(std::chrono::milliseconds(10)); } } std::thread t3(f2, ...
// std::lock_guard对象析构时,自动调用mtx.unlock()释放锁 std::lock_guard<std::mutex> lk(mtx); // 线程1上锁成功后,抛出异常:未释放锁 if (id == 1) { throw std::runtime_error("throw excption..."); } // 当前线程休眠1毫秒 std::this_thread::sleep_for(std::chrono::milliseconds(1...
std::cout<<"Thread 2 executing\n";++n; std::this_thread::sleep_for(std::chrono::milliseconds(10)); } }intmain() {intn =0; std::thread t1;//t1 is not a threadstd::thread t2(f1, n +1);//pass by valuestd::thread t3(f2, std::ref(n));//pass by referencestd::thread t4...
#include<iostream>#include<thread>#include<chrono>usingnamespacestd;int_tmain(intargc, _TCHAR* argv[]) {for(inti =0; i <100; i++){ cout << i <<" "; this_thread::sleep_for(chrono::seconds(5));//sleep 5秒this_thread::sleep_for(chrono::hours(1));//sleep 1小时this_thread::...
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void func() { // 计时 std::chrono::time_point<std::chrono::steady_clock> begin = steady_clock::now(); std::this_thread::sleep_for(std::chrono::milliseconds(20)); auto end = steady_clock::now(); cout << "time " << duration_cast<milliseconds>(end - begin).count() << endl;...
std::counting_semaphore, std::binary_semaphore std::jthread cpp/thread/barrier std::future std::this_thread::yield std::this_thread::sleep_for std::this_thread::sleep_until std::mutex std::recursive_mutex std::shared_mutex std::timed_mutex std::recursive_timed_mutex std::scoped_lock std...
使用锁超时:尝试锁定操作时使用超时方式(例如std::try_lock_for或std::try_lock_until),如果不能在给定时间内获取锁,则放弃操作。 使用死锁检测算法:在程序中检测和处理死锁。 层次化锁:为锁分配层次,低层次的锁可以获取高层次的锁,但不反其道。 C++中可以使用std::lock函数来避免多个互斥锁在获取时造成的死锁...
<< std::endl; std::this_thread::sleep_for(std::chrono::seconds(2)); // 模拟耗时操作 std::cout << "Time-consuming operation completed." << std::endl; return 42; } int main() { // 使用 std::launch::async 标志,异步任务将在新线程中执行 std::future<int> async_result_async = ...
include <window.h> int main(){ //do something..Sleep(2000); //2000ms //do someting..} 不过这样失去了可移植性.如果你会学C++ 那么C++标准库中提供了一个方案.include <thread> include <chromo> int main(){ std::this_thread::sleep_for(chromo::seconds(5));return 0;} ...