Re: Crash in NSFileManager
Re: Crash in NSFileManager
- Subject: Re: Crash in NSFileManager
- From: "Adam R. Maxwell" <email@hidden>
- Date: Sat, 08 Nov 2008 13:23:02 -0800
On Nov 8, 2008, at 1:17 PM, Stephen J. Butler wrote:
On Sat, Nov 8, 2008 at 3:01 PM, Adam R. Maxwell <email@hidden>
wrote:
I notice you're crashing on thread 10. Do you instantiate a new
NSFileManager instance with alloc/init per thread? Using +
[NSFileManager
defaultManager] from a background thread will cause problems (and
note that
NSFileManager alloc/init doesn't work properly on 10.4 and earlier).
Where did you read that NSFileManager is not thread safe? It's part of
the Foundation framework, which should be thread safe unless
documented otherwise (and I can't find any documentation to that
effect).
Did you look at the thread safety summary?
http://developer.apple.com/documentation/Cocoa/Conceptual/Multithreading/ThreadSafetySummary/chapter_950_section_2.html#//apple_ref/doc/uid/10000057i-CH12-122647-BBCCEGFF
Also, it's never proper to use alloc/init on NSFileManager, no matter
what the OS X version.
Not correct. See the Foundation release notes for 10.5:
http://developer.apple.com/releasenotes/Cocoa/Foundation.html#NSFileManager
--
Adam
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