Re: iOS deadlocks calling queue-based URL connection delegate
Re: iOS deadlocks calling queue-based URL connection delegate
- Subject: Re: iOS deadlocks calling queue-based URL connection delegate
- From: Jens Alfke <email@hidden>
- Date: Thu, 22 Mar 2012 09:21:09 -0700
On Mar 22, 2012, at 9:17 AM, Wade Tregaskis wrote: I’m not sure what you mean by ‘over committing’; could you elaborate?
I presume he means the use of more threads than processor cores to service concurrent queues, such that multiple parallel dispatch_syncs (or otherwise blocking from within a queue) won't bring everything to a grinding halt. iOS is indeed much more susceptible to this, though I don't think it's relevant to your problem here.
I don’t think so either; the main thread’s operation queue seems to be purely sequential. And the operation queue I created is also sequential (max-tasks is 1).
—Jens |
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