On 17, Jul, 2012, at 05:26 PM, Fritz Anderson <fri...@manoverboard.org> wrote:

> 
>> Could the problem be that I'm using the shared spell checker on multiple 
>> threads?
> 
> YES. At least it's a very big item on your list of problems. I haven't found 
> any documentation that affirmatively says NSSpellChecker is thread-safe. 
> Therefore it isn't. It's in AppKit, which counts against it, and it manages a 
> UI facility, which excludes it.

Oh, that's not good. I wanted to be spell checking multiple files in the 
background. I will need to think carefully if there's a way to call 
-checkSpellingOfString:startingAt on the main thread. 

Martin

> 
> Try executing your checks on the main thread. Communicating the results to 
> the calling thread will require some care.
> 
>       — F
> 
> -- 
> Fritz Anderson -- Xcode 4 Unleashed: Now in stores! -- 
> <http://x4u.manoverboard.org/>
> 

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Martin Hewitson
Albert-Einstein-Institut
Max-Planck-Institut fuer 
    Gravitationsphysik und Universitaet Hannover
Callinstr. 38, 30167 Hannover, Germany
Tel: +49-511-762-17121, Fax: +49-511-762-5861
E-Mail: martin.hewit...@aei.mpg.de
WWW: http://www.aei.mpg.de/~hewitson
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~






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