[libdispatch-dev] Does GCD has a "global view" of all running processes?

Matt Wright matt at sysctl.co.uk
Tue Sep 15 09:46:31 PDT 2009

Hey Richard,

In terms of languages, you've got two options for dispatching work to  
GCD. Either via function pointers or blocks. I would guess that with  
function pointers you can pretty much map any language you want onto  
it, bindings for perl, python, ruby, etc wouldn't be that hard. If you  
want to use blocks then the current implementations exist as patches  
on top of GCC/Clang. Even then, they've only been successfully used on  
Snow Leopard (and Leopard, to an extent).

There are some links you can have a browse of:

http://thirdcog.eu/pwcblocks/ - "Programming with C Blocks"
http://www.mikeash.com/?page=pyblog/friday-qa-2008-12-26.html - Mike  
Ash's Blocks Q&A

On top of that, it's worth reading the concurrency programming guide  
on ADC.

Hope that helps slightly,


On 15 Sep 2009, at 17:41, Richard Salz wrote:

> What's the best place to start learning about the languages and  
> models GCD
> supports? Links to public web pages are ideal.
> (Apologies if there's something as simple as a table of links in the
>        /r$
> --
> STSM, WebSphere Appliance Architect
> https://www.ibm.com/developerworks/mydeveloperworks/blogs/soma/
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