On Jan 7, 2009, at 1:55 PM, Sean McBride wrote:
Hi all,
Is it safe to call unbind: in finalize? Is unbind: thread-safe?
Traditionally, Apple has recommended calling unbind: in a view's
dealloc
method. With GC one might be tempted to call it in finalize, but 1)
finalize is discouraged in general 2) finalize implementations must be
thread safe. The docs make no guarantee about unbind:'s thread
safety.
You don't need to call unbind: from finalize.
If you're an observer of some other object, and you haven't removed
yourself as an observer by the time you're in finalize… well, try to
clean up any observing by the time you hit finalize.
When do AppKit views call unbind:?
Most views, currently, don't call unbind: on themselves at all.
(I know this has been discussed before, by me no less, and I am
familiar
with mmalc's recommendations on his bindings page.)
Thanks,
--
____________________________________________________________
Sean McBride, B. Eng s...@rogue-research.com
Rogue Research www.rogue-research.com
Mac Software Developer Montréal, Québec, Canada
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