.net让线程支持超时
使用 CancellationTokenSource 复制代码 代码如下: private static void TimeoutTest1() { var cts = new CancellationTokenSource();
var thread = new Thread(() => { Console.WriteLine(String.Format("线程{0}执行中", Thread.CurrentThread.ManagedThreadId)); Thread.Sleep(10000); Console.WriteLine(String.Format("线程{0}执行中", Thread.CurrentThread.ManagedThreadId)); });
cts.Token.Register(() => { thread.Abort(); }); cts.CancelAfter(1000);
thread.Start(); thread.Join();
Console.WriteLine(String.Format("线程{0}的状态:{1}", thread.ManagedThreadId, thread.ThreadState)); }
这里采用了 Abort 终止了线程,CancellationTokenSource 也支持其它模式,可以去官方看看文档。
使用 Join
复制代码 代码如下: private static void TimeoutTest2() { var thread = new Thread(() => { Console.WriteLine(String.Format("线程{0}执行中", Thread.CurrentThread.ManagedThreadId)); Thread.Sleep(10000); Console.WriteLine(String.Format("线程{0}执行中", Thread.CurrentThread.ManagedThreadId)); });
thread.Start(); thread.Join(1000); thread.Abort();
Console.WriteLine(String.Format("线程{0}的状态:{1}", thread.ManagedThreadId, thread.ThreadState)); }
.net让线程在执行结束后销毁
线程执行完、遇到未处理异常和被终止后就自动不可用了,如果是垃圾,自然会被 GC 给回收,有一点需要说明的是:线程的未处理异常会导致应用程序的终止,一个线程的异常不会自动冒泡到其它线程。
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