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Re: NSProgressIndicator thread safe?
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Re: NSProgressIndicator thread safe?


  • Subject: Re: NSProgressIndicator thread safe?
  • From: Corbin Dunn <email@hidden>
  • Date: Thu, 03 Jul 2008 10:40:29 -0700


On Jul 3, 2008, at 5:10 AM, Abernathy, Joshua wrote:

None of the AppKit is thread-safe. Check out
-performSelectorOnMainThread.

While generally true, this isn't the case. The heart beat thread is run by appkit.


Micha: what does thread 1's bt look like?

corbin



-----Original Message-----
From: cocoa-dev-bounces+jabernathy=email@hidden
[mailto:cocoa-dev-bounces +jabernathy=email@hidden
] On Behalf Of Micha Fuhrmann
Sent: Thursday, July 03, 2008 3:30 AM
To: Cocoa-Dev List
Subject: NSProgressIndicator thread safe?


Hi everyone,

one of my user has its MBP crashing on me, I just can't figure what
the problem is, here's the crashed thread:

Thread 5 Crashed:
0   com.apple.CoreFoundation      	0x964dd0eb CFArrayAppendValue +
43
1   com.apple.AppKit              	0x94be0819 -[NSView
_focusInto:withClip:] + 1826
2   com.apple.AppKit              	0x94bdfc47 -[NSView
_gatherFocusStateInto:upTo:withContext:] + 155
3   com.apple.AppKit              	0x94bdfbf5 -[NSView
_gatherFocusStateInto:upTo:withContext:] + 73
4   com.apple.AppKit              	0x94bdfbf5 -[NSView
_gatherFocusStateInto:upTo:withContext:] + 73
5   com.apple.AppKit              	0x94bdfbf5 -[NSView
_gatherFocusStateInto:upTo:withContext:] + 73
6   com.apple.AppKit              	0x94bdfbf5 -[NSView
_gatherFocusStateInto:upTo:withContext:] + 73
7   com.apple.AppKit              	0x94bdf9f3 -[NSView
_focusFromView:withContext:] + 366
8   com.apple.AppKit              	0x94bdf40c -[NSView
lockFocusIfCanDraw] + 778
9   com.apple.AppKit              	0x94bdf009 -[NSView lockFocus] +
42
10  com.apple.AppKit              	0x94ca55fd -[NSUIHeartBeat
lockFocusForView:inRect:needsTranslation:] + 1464
11  com.apple.AppKit              	0x94b8334a -[NSProgressIndicator

heartBeat:] + 2304
12  com.apple.AppKit              	0x94b827bc -[NSUIHeartBeat
_heartBeatThread:] + 1597
13  com.apple.Foundation          	0x928baf1d -[NSThread main] + 45
14  com.apple.Foundation          	0x928baac4 __NSThread__main__ +
308
15  libSystem.B.dylib             	0x93b496f5 _pthread_start + 321
16  libSystem.B.dylib             	0x93b495b2 thread_start + 34

Is it because NSProgressIndicator isn't thread safe?

Micha
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References: 
 >NSProgressIndicator thread safe? (From: Micha Fuhrmann <email@hidden>)
 >RE: NSProgressIndicator thread safe? (From: "Abernathy, Joshua" <email@hidden>)

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