如何在c#中实现自己的任务锁定?

So for an assignment we need to have the option to either use the C#-Lock or use a self-implemented TaS-Lock. What I've read about TaS-Locks is that it uses 1 atomic step to both read and write a value. It was suggested to us that we use the Interlocked class in C# for this.So for an assignment we need to have the option