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Re: Thoughts about alternative approach to multithreading [message #22411 is a reply to message #22410]

Sun, 12 July 2009 08:37

mirek is currently offline

mirek
Messages: 14267
Registered: November 2005

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Mindtraveller wrote on Sat, 11 July 2009 10:06

Example you proposed sets a kind of problem. I spent some days thinking about it (I really met kind of this problem while programmed last project) and came to conclusion that each CallbackQueue/CallbackThread class should be descendant of CallbackNotifier class. Where CallbackNotifier is simply a Map<K,T> and a Mutex to synchronize access from multiple threads. This will enable asynchronouse messaging while thred's current queue callback is being executed. This is of course something from "classic" approach but anyway hides synchronization mutex.

In your example you will i.e. have to check this Map for current directory once per second. And if it is so, remove directory from Map and exit callback.

I think this is very much what I have ended with. But it is not a simple and clean design by any definition; the hurdle with locking mutex(es) just seems a much less evil here.

Mirek

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[Message index]

		Thoughts about alternative approach to multithreading By: Mindtraveller on Tue, 14 October 2008 01:10
		Re: Thoughts about alternative approach to multithreading By: mr_ped on Tue, 14 October 2008 08:27
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Wed, 15 October 2008 10:53
		Re: Thoughts about alternative approach to multithreading By: mirek on Wed, 15 October 2008 11:59
		Re: Thoughts about alternative approach to multithreading By: zsolt on Wed, 15 October 2008 21:49
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Wed, 15 October 2008 22:53
		Re: Thoughts about alternative approach to multithreading By: zsolt on Thu, 16 October 2008 11:38
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Thu, 16 October 2008 13:48
		Re: Thoughts about alternative approach to multithreading By: mirek on Thu, 16 October 2008 15:04
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Fri, 14 November 2008 10:09
		Re: Thoughts about alternative approach to multithreading By: mirek on Fri, 14 November 2008 10:15
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Mon, 17 November 2008 16:41
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Tue, 18 November 2008 00:53
		Re: Thoughts about alternative approach to multithreading By: mirek on Tue, 18 November 2008 20:05
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Wed, 19 November 2008 01:45
		Re: Thoughts about alternative approach to multithreading By: mirek on Wed, 19 November 2008 10:39
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Wed, 19 November 2008 13:20
		Re: Thoughts about alternative approach to multithreading By: mirek on Wed, 19 November 2008 19:38
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Thu, 20 November 2008 10:19
		Re: Thoughts about alternative approach to multithreading By: mirek on Thu, 20 November 2008 10:42
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Tue, 27 January 2009 00:06
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Fri, 03 July 2009 10:23
		Re: Thoughts about alternative approach to multithreading By: mirek on Fri, 03 July 2009 18:49
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Sun, 05 July 2009 21:43
		Re: Thoughts about alternative approach to multithreading By: mirek on Sun, 05 July 2009 22:08
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Sat, 11 July 2009 16:06
		Re: Thoughts about alternative approach to multithreading By: mirek on Sun, 12 July 2009 08:37
		Re: Thoughts about alternative approach to multithreading By: mirek on Sun, 05 July 2009 22:10
		Re: Thoughts about alternative approach to multithreading By: mr_ped on Tue, 18 November 2008 09:05

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