Re: Blocks in render callbacks
Re: Blocks in render callbacks
- Subject: Re: Blocks in render callbacks
- From: "Stephen F. Booth" <email@hidden>
- Date: Tue, 01 May 2012 16:38:46 -0400
>> I know that it is not safe to use the dispatch_* family of functions inside a render callback because they can allocate memory (http://lists.apple.com/archives/coreaudio-api/2011/Jun/msg00141.html). However, is it acceptable to call a copied block from within a render callback? Assuming the code within the block doesn't block the thread, allocate memory, call objective-c code or do any of the other "bad" things, is there anything inherent in the block calling mechanism itself that would preclude its use?
>
> I don't believe so. A block invocation is just an indirect function call.
That is my hope, but since in Objective-C a block is an actual object
with an isa pointer I was concerned that there could be some
behind-the-scenes magic going on.
Stephen
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