std::this_thread::sleep_for(std::chrono::milliseconds(10)); } } int main() { int n = 0; std::thread t1; // t1 is not a thread std::thread t2(f1, n + 1); // pass by value std::thread t3(f2, std::ref(n)); // pass by reference std::thread t4(std::move(t3)); ...
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(std::move(t3));//t4 is now running f2...
std::thread t1(task, std::ref(promise_), 12); // 将promise作为参数传入到线程函数中 线程函数 std::thread t2(get_task_value, std::ref(future)); // 获取线程函数值的线程 t1.join(); t2.join(); return 0; } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16...
this_thread::sleep_for(1s); } //auto fut = std::async(fAs); auto fut = std::async(launch::deferred, fAs); while (fut.wait_for(100ms) != future_status::ready) { cout // 死循环 } cout std::thread与std::async 线程与任务异同: std::thread没有直接获取返回值的方法,且如果线程中...
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...
void ThreadEx::taskForThread(string preFix,string afterFix) { for(int i=0;i<100;i++) { cout<<preFix<<i<<afterFix; //休眠20毫秒 std::this_thread::sleep_for(std::chrono::milliseconds(20)); } } main.cpp #include <iostream> ...
std::lock_guard<std::mutex> iolock(iomutex); std::cout << "Thread #" << i << " is running\n"; } // Simulate important work done by the tread by sleeping for a bit... std::this_thread::sleep_for(std::chrono::milliseconds(200)); ...
notify_one(); std::this_thread::sleep_for(std::chrono::milliseconds(100)); } } void consumer(int id) { while (true) { std::unique_lock<std::mutex> lock(mtx); cv.wait(lock, [] { return !items.empty(); }); int item = items.front(); items.pop(); std::cout << "Consumer...
std::sleep_for()底层在 Linux 中使用的是nanosleep()函数实现的。nanosleep()函数可以使线程休眠指定的时间,精度可以达到纳秒级别。而std::sleep_for()是C++11标准中提供的休眠函数,它通过调用底层的nanosleep()函数实现线程休眠。因此,在 Linux 系统中,std::sleep_for()底层使用的就是nanosleep()函数。
lock(); std::cout << "Thread " << thread_num << " has acquired the mutex." << std::endl; std::this_thread::sleep_for(std::chrono::milliseconds(100)); // 模拟工作 std::cout << "Thread " << thread_num << " is releasing the mutex." << std::endl; mutex.unlock(); } ...