LongRunning + AttachedToParent (simultaneously) task

Question

My Task have to work for a long time (it's like a service) - so I need to make it LongRunning.

At the same time, I need to mark it as AttachedToParent to prevent parent task completion before my service's task completion.

How to combine this two task creation options?

Answer 1

You can create the task with several creation option: ie.

var task3 = new Task(() => MyLongRunningMethod(),
                TaskCreationOptions.LongRunning | TaskCreationOptions.PreferFairness);
task3.Start();