Re: Crash with ARC enabled on Xcode 6.1
Re: Crash with ARC enabled on Xcode 6.1
- Subject: Re: Crash with ARC enabled on Xcode 6.1
- From: Kyle Sluder <email@hidden>
- Date: Thu, 23 Oct 2014 17:26:14 -0500
On Thu, Oct 23, 2014, at 05:06 PM, Greg Parker wrote:
>
> > On Oct 23, 2014, at 2:18 AM, Kevin Meaney <email@hidden> wrote:
> >
> > From what I understand any code that is executed before main is called is done so before the objective-c runtime is fully setup which means you have no guarantees about what will work. In objective-c++ where you can create static C++ objects that results in objective-c being called it is an easy way to make difficult to track crashes.
>
> The situation is much more favorable than that. Problems with Objective-C
> initialization are uncommon.
>
> The initialization order is generally like this:
> 1. Everything in libraries you link to is initialized.
> 2. Your classes' +load methods run. Each class runs +load before its
> subclasses. (Timing of category +load is more complicated, but in most
> cases they also run now.)
> 3. Your C and C++ static constructors run.
> 4. main()
Is it accurate to say that Objective-C +initialize methods happen, at
the earliest, as part of Step 3?
--Kyle Sluder
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