could not this boil down to an small extra number of API that have to be
"enforced" in revmobile in order to have proper multitasking?
In another post about the new SDK conditions, there was mention of the new
compiler structures (blocks) that have been added to implement Grand Central
Dispatch in snow leopard. This allows, if I understand well, concurrent tasks
in the OS, but at a much finer granularity than threads, and with less
overhead. Perhaps they want to promote this. (BTW, I think the compiler is open
source (????), well at least it has been ported to FreeBSD).
cheers
François
Le 10 avr. 2010 à 03:26, Jerry Daniels a écrit :
> Found this post interesting:
>
> The primary reason for the change, say sources familiar with Apple's plans,
> is to support sophisticated new multitasking APIs in iPhone 4.0. The system
> will now be evaluating apps as they run in order to implement smart
> multitasking. It can't do this if apps are running within a runtime or are
> cross compiled with a foreign structure that doesn't behave identically to a
> native C/C++/Obj-C app.
> "[The operating system] can't swap out resources, it can't pause some threads
> while allowing others to run, it can't selectively notify, etc. Apple needs
> full access to a properly-compiled app to do the pull off the tricks they are
> with this new OS," wrote one reader under the name Ktappe.
>
> Best,
>
> Jerry Daniels
>
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