使用 Task 替换 ThreadPool ，异步监测所有线程（任务）是否全部执行完毕

admin · 发表于 2016-4-26 11:28:07

using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
namespace Ex.RulesTester.Threads
{
/// <summary>
/// 异步等待所有线程结束通知测试
/// </summary>
[TestClass]
public class TaskAllCompleteTester
{
[TestMethod]
public void TestTaskPoolStatus()
{
//运行异步多任务
TaskTest.RunTask();
var list = TaskTest.SuccessList;
bool isAllComplete = false;
//等待异步通知
while (!isAllComplete)
{
isAllComplete = TaskTest.IsAllComplete;
list = TaskTest.SuccessList;
}
Assert.IsTrue(true);
}
/// <summary>
/// 对于 task 多任务执行的封装
/// </summary>
private class TaskTest
{
private static object m_lock = new object();
public static List<string> SuccessList = new List<string>();
private static string msg = "";
public static bool IsFinish = false;
public static List<Task> TaskList = new List<Task>();
static bool isAllComplete = false;
/// <summary>
/// 标记所有任务是否全部执行完毕
/// </summary>
public static bool IsAllComplete
{
get { return isAllComplete; }
}
private TaskTest()
{
}
public static void RunTask()
{
//运行5个任务
for (int i = 1; i <= 5; i++)
{
var task = Task.Factory.StartNew(DoTask, i);
TaskList.Add(task);
}
//异步等待所有任务执行完毕
Task.Factory.StartNew(x =>
{
Task.WaitAll(TaskList.ToArray());
//标记所有任务运行完成
isAllComplete = true;
}, null);
}
private static void DoTask(object par)
{
Thread.Sleep(int.Parse(par.ToString()) * 1000);
lock (m_lock)
{
SuccessList.Add("Has Completed T" + par.ToString());
}
}
}
}
}

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[资料] 使用 Task 替换 ThreadPool ，异步监测所有线程（任务）是否全部执行完毕

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