When using Task what happens if the ThreadPool is full/busy?

Question

When I am using the .Net 4 Task class which uses the ThreadPool, what happens if all Threads are busy?

Does the TaskScheduler create a new thread and extend the Thr

Answer 1

By default, the MaxThreads of the ThreadPool is very high. Usually you'll never get there, your app will crash first.

So when all threads are busy the new tasks are queued and slowly, at most 1 per 500 ms, the TP will allocate new threads.