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Re: performSelectorOnMainThread fails second time through
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Re: performSelectorOnMainThread fails second time through


  • Subject: Re: performSelectorOnMainThread fails second time through
  • From: Dave Keck <email@hidden>
  • Date: Wed, 8 Dec 2010 16:32:57 -0500

> Hey, this sounds very familiar!
> http://lists.apple.com/archives/cocoa-dev/2010/Sep/msg00426.html

That seems like a distinct issue. The problem Gideon is seeing is that
[NSThread mainThread] holds a (private) reference to a run loop that
isn't the main thread's run loop. Since -performSelectorOnMainThread
relies on that reference, calls to -performSelectorOnMainThread fail.

Both issues seem to involve bad timing in the use of certain Cocoa
APIs; it seems there's something about the order and timing of
Gideon's project that's causing NSThread to think that some
CFRunLoopRef is the main run loop when it's not.
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References: 
 >performSelectorOnMainThread fails second time through (From: Gideon King <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Gideon King <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Charles Srstka <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Gideon King <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Dave Keck <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Gideon King <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Dave Keck <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Gideon King <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Dave Keck <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Gideon King <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Dave Keck <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Dave Keck <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Gideon King <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Dave Keck <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Gideon King <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Dave Keck <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Gideon King <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Dave Keck <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Gideon King <email@hidden>)
 >Re: performSelectorOnMainThread fails second time through (From: Kyle Sluder <email@hidden>)

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