Re: NSAttributedString -size Crash
Re: NSAttributedString -size Crash
- Subject: Re: NSAttributedString -size Crash
- From: Joar Wingfors <email@hidden>
- Date: Sun, 31 May 2009 16:26:20 -0700
On 31 maj 2009, at 16.08, Seth Willits wrote:
On May 31, 2009, at 3:49 PM, Joar Wingfors wrote:
If [self title] were nil, I'd get an exception when creating the
attributed string, not a crash when calling -size. There's nothing
fancy going on with the string. The only thing I can think of is
that this drawing and call to -size is happening while the window
is resizing caused by a simple call to -[NSWindow
setFrame:display:animate:].
Is it at all possible that this is the result of some sort of
thread unsafe operation in your app?
Only if clicking on a button is not thread-safe. :-\\
That's the only way this code could be triggered.
I was not thinking so much about the snippet of code that you posted,
I was more curious to know if you have something else running in the
background in your app, updating your UI / model in a non-thread safe
way. So to rephrase the question: Are you doing any background work in
your app at all, and if so, how sure are you that you're doing that in
a thread safe way?
If you come to the conclusion that this is more likely to be a bug in
AppKit than in your code, please file a bug report!
<http://developer.apple.com/BugReporter/>
j o a r
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