Designing a dispatch queue
Design a MyQueue of your own without GCD. Submitting a closure with async(_:) should run it on a background thread pool, it should support serial and concurrent modes, and it should offer sync(_:) too. Can you walk me through the core data structures and how the synchronization works?
ConcurrencyShort answerIntro
What is GCD (Grand Central Dispatch), and why do you hand work to a queue instead of crea…
#thread-pool #serial #concurrent
ConcurrencyMultiple choiceIntro
Which of the following statements about sync/async and serial/concurrent queues are corre…
#serial #concurrent
ConcurrencyMultiple choiceAdvanced
You call this function, which takes a GCD queue, from the main thread. About how many sec…
#serial #concurrent
ConcurrencyMultiple choiceBasics
What does this GCD code print? And does every call to queue.async create a new thread? …
#thread-pool #concurrent
