/// <summary>
/// 开启20个任务跑同一个对象，本来应该会得到40W这个数字，由于没有同步进行，几乎不会得到正确的输出值
/// state1加了lock,会得到一个正确的值
/// </summary>
public static void RunTask()
{
int numTasks = 20;
var state = new SharedState();
var state1 = new SharedState();
var tasks = new Task[numTasks];
var tasks1 = new Task[numTasks];
for (var i = 0; i < numTasks; i++)
{
tasks[i] = Task.Run(() => { new Job(state).DoTheJob(); });
tasks1[i] = Task.Run(() => new Job(state).DoThatJob());
}
Task.WaitAll(tasks);
Task.WaitAll(tasks1);
Console.WriteLine($"state summarized {state.State}");
Console.WriteLine($"state1 summarized {state1.State}");
}
public Job(SharedState sharedState)
{
_sharedState = sharedState;
}