How do you wait for a thread to finish?
ExecutorService – Waiting for Threads to Finish
- Waiting for existing threads to complete their execution can be achieved by using the awaitTermination() method.
- A CountDownLatch is useful when we need a mechanism to notify one or more threads that a set of operations performed by other threads has finished.
How can the parent thread wait for the child thread to finish?
join(long millis) : Parent thread will only wait for the mention time to finish the child thread. If child thread still working after mentioned time, then, parent thread will stop waiting and will start executing its further statements.
What is the code if main thread should wait until all the other threads are finished in?
Joinable threads may call pthread_join() to wait on another thread.
How do I make main thread wait for other threads?
The statement “Thread. currentThread(). join()”, will tell Main thread to wait for this thread(i.e. wait for itself) to die. Thus Main thread wait for itself to die, which is nothing but a deadlock.
How do I wait until task is finished in C#?
WaitAll() method in C# is used to wait for the completion of all the objects of the Task class. The Task class represents an asynchronous task in C#. We can start threads with the Task class and wait for the threads to finish with the Task. WaitAll() method in C#.
Is there a wait command in C#?
Wait(Int32) Waits for the Task to complete execution within a specified number of milliseconds.
Can main thread exit before child?
Yes. “this gets printed before the system. out. println() in the child threads.
Does child threads still execute after even if their parent thread dies or terminates?
Because if parent thread dies or terminates then child thread should also die or terminate. If you run those threads as daemon threads, when main thread finishes, your application will exit.
How do you delay a process in C#?
Use the Sleep() Method to Make a Delay in C# In C#, we can use the Sleep() method to add a delay.
What happens to child threads when process exits?
If any thread calls exit , then all threads terminate.
What happens to child thread if parent dies?
Do we need to close ExecutorService?
When finished using an ExecutorService , you need to shut it down explicitly. From its javadoc: “An unused ExecutorService should be shut down to allow reclamation of its resources.” Calling shutdown initiates a gradual and orderly shutdown.
How do I wait until task is finished in c#?
Is there a wait command in c#?
How do you delay a loop in C#?
Try this simpler version without dependency on async or await or TPL.
- Spawns 50 method calls ,
- sleeps for 20 secs,
- checks it 20 or x items are complete.
- if not sleeps again for 20 secs.
- if yes resumes loop.
What is Task delay in C#?
Delay(TimeSpan) Creates a task that completes after a specified time interval. Delay(Int32, CancellationToken) Creates a cancellable task that completes after a specified number of milliseconds.