Re: [[NSFileManager alloc] init] considered thread-safe
Re: [[NSFileManager alloc] init] considered thread-safe
- Subject: Re: [[NSFileManager alloc] init] considered thread-safe
- From: Quincey Morris <email@hidden>
- Date: Tue, 4 May 2010 23:27:24 -0700
On May 4, 2010, at 22:32, Ken Ferry wrote:
> Jens is exactly right.
>
> If you are going to use the delegate, you must make your own instance of NSFileManager. Clearly - if you did that with the shared manager, you and other threads would fight over it.
>
> NSFileManager is otherwise threadsafe. There's an open bug to rev the docs.
>
> -Ken
Sorry if I'm being dense, but I seem to keep getting an ambiguous answer to the real question. :)
I'm not concerned with the issue of delegates. My question is whether a single (delegate-less) instance of NSFileManager can be used simultaneously from multiple threads, or whether each thread needs a separate instance to prevent conflicts but multiple instances don't conflict with each other though they share the filesystem. Both possibilities are a kind of thread safety.
I thought "thread-safe" meant the former. Jens and some historical commentary said the latter for NSFileManager. You just said "thread-safe", but I'm not sure *which* thread-safe you meant -- the former or the latter.
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