Re: Accessing array in thread safe way
Re: Accessing array in thread safe way
- Subject: Re: Accessing array in thread safe way
- From: CoGe - Tamas Nagy <email@hidden>
- Date: Thu, 08 Mar 2012 20:29:44 +0100
On Mar 8, 2012, at 6:52 PM, Jan E. Schotsman wrote:
>
> On Mar 8, 2012, at 3:22 PM, CoGe - Tamas Nagy wrote:
>
>> Maybe this will helps you, here is my thread-safe subclass of NSMutableArray: http://code.google.com/p/cogeopensource/source/browse/trunk/CoGeOpenSource/CoGeThreadSafeMutableArray.m
>
> Thanks for the code.
> I have two questions:
>
> 1. If you believe that OSSpinLock is faster than NSLock why don't you use it for your thread-safe mutable array class too?
I mostly using the NSMutableDictionary subclass, and just forgot to update the NSMutableArray class. Thats the only reason,
>
> 2. Once you start using an enumerator for the array you probably need a explicit mutex after all. Isn't it simpler to just use @synchronized(array) wherever the array is accessed?
@syncronized(array) is not really fast.
>
> Jan E.
>
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Tamas Nagy
-----------------
CoGe VJ Software
http://cogevj.hu
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