Multithreading with C# Cookbook - Second Edition

Locking with a C# lock keyword

This recipe will describe how to ensure that when one thread uses some resource, another does not simultaneously use it. We will see why this is needed and what the thread safety concept is all about.

Getting ready

To work through this recipe, you will need Visual Studio 2015. There are no other prerequisites. The source code for this recipe can be found at BookSamples\Chapter1\Recipe9.

How to do it...

To understand how to use the C# lock keyword, perform the following steps:

1. Start Visual Studio 2015. Create a new C# console application project.
2. In the Program.cs file, add the following using directives:

   using System;
   using System.Threading;
   using static System.Console;

3. Add the following code snippet below the Main method: ...