std::thread consumer_thread (consume,10); for (int i=0; i<10; ++i) { //每次cargo每次为0才运行。 while (shipment_available()) std::this_thread::yield(); std::unique_lock<std::mutex> lck(mtx); cargo = i+1; cv.notify_one(); } consumer_thread.join(); return 0; } 说明: ...
detach:分离线程; swap:交换两个 thread 对象; 命名空间std::this_thread: yield:放弃执行,建议再次调度线程(当前线程可能会被再次调度执行,也可能是其他线程执行); get_id:返回当前线程的线程 id; sleep_for:使线程休眠一段时间; sleep_until:暂停当前线程的执行直到特定的时间点; 任务std::async async(在头文...
printf("Producer: %d\n", i); aco_yield(); } } void consumer(void) { for (int i = 0; i < 5; i++) { aco_yield(); printf("Consumer: %d\n", i); } } int main() { aco_thread_init(NULL); main_co = aco_create(NULL, NULL, 0, NULL, NULL); sstk = aco_share_stack_...
主线程main中调用thread.join()方法,join方法相当于join(0),也就是 while (isAlive()) { wait(0); } 而这个wait(0)就相当于是this.wait(0),this就是我们自己创建的那个线程thread,看看方法的签名是不是有一个synchronized isAlive()也是this.isAlive(),也就是如果当前线程alive(已经启动,但是未终止),那么...
3:sleep方法需要抛出或者捕获异常,因为线程在睡眠中可能被打断,而yield方法则没异常。 测试小程序: public class Test7 { public static void main(String[] args) { MyTask4 mt1=new MyTask4(); MyTask4 mt2=new MyTask4(); Thread t1=new Thread(mt1); ...
不同于进程,线程库无法利用时钟中断强制线程让出CPU,可以调用thread_yield运行线程自动放弃cpu,让另外一个线程运行。 线程通常是有益的,但是带来了不小程序设计难度,线程的问题是: 1. 父进程有多个线程,那么开启的子线程是否需要同样多的线程 如果是,那么附近中某个线程被阻塞,那么copy到子进程后,copy版的线程也要...
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threadID; public int[] nums; public int[] s1_nums; public int s2; public int num53; public GetListEnumerable(int state) { this.state = state; this.threadID = Environment.CurrentManagedThreadId; } public int Current => current; public IEnumerator<int> Get...
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一、YieldTest.java代码 class ThreadA extends Thread{ public ThreadA(String name){ super(name); } public void run(){ for(int i=0; i <10; i++){ System.out.printf("%s [%d]:%d\n", this.getName(), this.getPriority(), i); ...