There are two schools of thought on atomic/nonatomic, and both apply equally to
Mac/iOS:
1) Atomicity provides a little bit of safety, and shouldn't be shrugged off for
no reason. Because of that, only optimise the atomic set/get when you've
actually profiled and determined it's a problem.
2) When multithreading you rarely if ever actually want atomicity at the
property level, instead you want somewhat larger critical sections in general.
Because of that, atomic setters/getters are pointless cruft and everything
should be made monatomic.
Chose which camp you live in.
Tom Davie
if (*ra4 != 0xffc78948) { return false; }
On 6 Sep 2011, at 16:30, Torsten Curdt wrote:
> On iOS properties are usually (unless required otherwise) defined as nonatomic
>
> @property (nonatomic, assign)
>
> On the Mac I have seen quite often just an "assign" or "retain" which
> AFAIK defaults to "atomic"
>
> @property (assign)
>
> So what should one use e.g. for normal IBOutlets with AppKit?
> I would think "nonatomic" should be good enough on Mac, too. No?
>
> cheers,
> Torsten
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