Re: How to keep things alive in Arc?
Re: How to keep things alive in Arc?
- Subject: Re: How to keep things alive in Arc?
- From: Britt Durbrow <email@hidden>
- Date: Sun, 08 May 2016 20:46:20 -0700
Off of the top of my head, have a look at:
http://clang.llvm.org/docs/AutomaticReferenceCounting.html#precise-lifetime-semantics <http://clang.llvm.org/docs/AutomaticReferenceCounting.html#precise-lifetime-semantics>
and
http://clang.llvm.org/docs/AutomaticReferenceCounting.html#interior-pointers <http://clang.llvm.org/docs/AutomaticReferenceCounting.html#interior-pointers>
> On May 8, 2016, at 7:11 PM, Gerriet M. Denkmann <email@hidden> wrote:
>
> Thing *aThing = [ Thing new ];
>
> void *thingData = [ aThing data ]; // pointer to a buffer owned by aThing
>
> … never use aThing after this point → Arc might release aThing right now
> … but do lots of things with thingData
>
> … no more need for thingData
> [ aThing release];
>
> How to prevent Arc to release aThing before I have done with thingData?
>
> Gerriet.
>
>
>
>
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