Alternative to Thead.Sleep? in C#

I have another thread polling user input. This thread is the main thread and can sleep minutes at a time. If the user hits wants to quit it may be 2+ minutes before the console window shuts down which ma开发者_开发百科y feel not responsive.

How can i make this thread wake up from Thread.Sleep? Do i need to use another function to sleep and pass in a bool ref for it to check when the thread wake up and end?

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Use Monitor.Wait instead, and call Monitor.Pulse or Monitor.PulseAll to wake the thread up.

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The solution is "Don't sleep on your UI thread". You should have a thread waiting for user input (not polling), and if you have a thread which needs to sleep (which probably isn't the case - it sounds like a hackish workaround to a different problem), then that should be separate thread that isn't handling the interface.

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Have a look at the blocking queue:

http://msdn.microsoft.com/en-us/magazine/cc163427.aspx#S4

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Couple of suggestions:

1. If your using explicit threads you can try setting ThreadType to "Background" to prevent it from blocking an exit.
2. Try this as how you block:

main thread:

AutoResetEvent waitingEvent = new AutoResetEvent(false);
bool doneFlag = false
Thread myUIInputThread = new Thread(someFunction);

myUIInputThread.Start(waitingEvent);

while (!doneFlag) {
   doneFlag = waitingEvent.WaitOne(1000);
   if (!doneFlag) {
      Console.Writeline("Still waiting for the input thread...");
   }
}

In some function:

public void someFunction(object state) {
   Console.Write ("Enter something: ");
   Console.Readline();
   //... do your work ....

   ((AutoResetEvent)state).Set();
}

• Not tested for exactness... YMMV :)