Chapter 12 - Improving Performance and Scalability with Multitasking

1. By convention, what suffix should be applied to a method that returns a Task or a Task<T>?

   • Async, for example, OpenAsync for a method named Open.

2. To use the await keyword inside a method, which keyword must be applied to the method declaration?

   • The async keyword must be applied to the method declaration.

3. How do you create a child task?

   • Call the Task.Factory.StartNew method with the TaskCreationOptions.AttachToParent option to create a child task.

4. Why should you avoid the lock keyword?

   • The lock keyword does not allow you to specify a timeout; this can cause deadlocks. Use Monitor.Enter with a TimeSpan and Monitor.Exit instead.

5. When should you use the Interlocked class?

   • If you have integers and floats that are shared between multiple threads, you should use the Interlocked class.