在示例中，通过循环向线程池提交5个任务，使用ThreadPool.QueueUserWorkItem方法将DoWork方法作为委托传递给线程池。主线程继续执行并输出"Main thread"，然后等待一段时间（这里使用Thread.Sleep）以确保所有任务执行完毕。最后，输出"Main thread exiting"。每个任务在工作线程中执行，并输出相应的"Worker thread"信息。Tas...
void increase_proxy(int time, int id) { for (int i = 0; i < time; i++) { mtx.lock(); // 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...
#include <thread> // std::thread, std::this_thread::sleep_for void thread_task(int n) { std::this_thread::sleep_for(std::chrono::seconds(n)); std::cout << "hello thread " << std::this_thread::get_id() << " paused " << n << " seconds" << std::endl; } /* * ==...
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data_queue.push(data);//---②data_cond.notify_one();//---③std::cout<<"after notify_one"<<std::endl;//std::this_thread::sleep_for(1000);sleep(1); } }voiddata_process_thread(){while(true){std::unique_lock<std::mutex>lk(mut);//---④std::cout<<"before wait"<<std::endl...
for (int i = 0; i < 5; ++i) { std::cout << "Thread " << n << " executing\n"; std::this_thread::sleep_for(std::chrono::milliseconds(1000)); } } void f2(int& n) { std::cout << "thread-id:" << std::this_thread::get_id() << "\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(std::move(t3));//t4 is now running f2...
std::this_thread::sleep_for(std::chrono::seconds(1)); return std::string("MSG:Hello"); }); std::future<std::string> f = task.get_future(); std::thread t(std::move(task), std::string("package task test")); t.detach(); ...
#include<stdio.h>#include<threads.h>inta=0;mtx_tmtx;intthread_func(void*arg){for(inti=0;i<...
for(int i=0; i<3; ++i) { printf("i = %d\n", i); } // 休息, 休息一会儿... // sleep(1); return0; } 编译测试程序,会看到如下错误信息: $ gcc pthread_create.c /tmp/cctkubA6.o: Infunction`main': pthread_create.c:(.text+0x7...