Unity线程安全：CompareBaseObjectsInternal can only be called from the main thread

最新推荐文章于 2025-05-16 14:13:46 发布

转载最新推荐文章于 2025-05-16 14:13:46 发布 · 254 阅读

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原文链接：http://www.cnblogs.com/UnrealEra/p/6141118.html

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本文介绍了Unity中解决多线程调用主线程时遇到的线程安全问题的方法。通过实例展示了如何避免在子线程中直接调用Unity组件，而是通过收集数据并在主线程的Update函数中进行处理。

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在unity中我们使用多线程时。用子线程调用主线程时。用到unity的东西时就会报如下的错误。

CompareBaseObjectsInternal can only be called from the main thread.
Constructors and field initializers will be executed from the loading thread when loading a scene.
Don’t use this function in the constructor or field initializers, instead move initialization code to the Awake or Start function.

一个简单的办法就是。当多线程调用时。将内容展示存下来。然后通过主线程的函数去下发。比如Update下发

例：

public void BeginTheTimer()
{
	//建立连接
	try
	{
		socketClient = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
		socketClient.Connect(new IPEndPoint(IPAddress.Parse("127.0.0.1"), 9070));
		IsConnected = true;
	}
	catch (Exception e)
	{ 
		Debug.Log(e);
	}
	
	Thread receiveThread = new Thread(new ThreadStart(socketReceive));
	receiveThread.Start();
	receiveThread.IsBackground = true;
}
 
//数据接收线程添加变量DateTime lastConnect=DateTime.now;
//若接收数据为echo，则不作处理，若为其他数据，显示在richTextBox中；
public void socketReceive()
{
	while (true)
	{
		try
		{
			byte[] buff = new byte[1024];
			int count = socketClient.Receive(buff);
			if (count > 0)
			{
				string str = Encoding.UTF8.GetString(bytes, 0, i);
                message(str);
			}
		}
		catch (SocketException)
		{
			IsConnected = false;
			Thread.CurrentThread.Abort();
		}
	}
}
private void message(string data)
{
	notifierDataList.Add(data);
}
 
void Update()
{
	if(notifierDataList.Count > 0)
	{
		//如这。我用的是接口下发消息。通过字典来队列消息。每次下发一条。然后将已下发的移除
		//就不会出现线程安全问题了
		Notifier(999, null, notifierDataList[0]);
		notifierDataList.RemoveAt(0);
	}
}

　　转载来源：小宝个人笔记 » Unity线程安全：CompareBaseObjectsInternal can only be called from the main thread

转载于:https://www.cnblogs.com/UnrealEra/p/6141118.html