Why does my heartbeat thread crash?
Why does my heartbeat thread crash?
- Subject: Why does my heartbeat thread crash?
- From: Michael Domino <email@hidden>
- Date: Sat, 7 Mar 2009 09:01:04 -0500
Hi all,
Sometimes this happens in my app, for no apparent reason. Is there an
explanation, is there something wrong with my code, or do we have to
live with it? I just have a standard window with a standard
NSProgressIndicator in it.
- (void)showLoadingProgress
{
[progressBar setIndeterminate:YES];
[progressBar setUsesThreadedAnimation:YES];
[progressBar startAnimation:self];
[NSApp beginSheet:[self window] modalForWindow:[NSApp mainWindow]
modalDelegate:self didEndSelector:nil contextInfo:nil];
}
- (void)hideLoadingProgress
{
[progressBar stopAnimation:self];
[NSApp endSheet:[self window] returnCode:0];
[self close];
}
Thread 3 Crashed:
0 com.apple.CoreGraphics 0x91f90d06 push + 129
1 com.apple.CoreGraphics 0x91f90a66 CGContextSaveGState + 71
2 com.apple.AppKit 0x9506c177 PSgsave + 190
3 com.apple.AppKit 0x9506bcae -[NSView
lockFocusIfCanDraw] + 660
4 com.apple.AppKit 0x9506b921 -[NSView
lockFocus] + 42
5 com.apple.AppKit 0x95132119 -[NSUIHeartBeat
lockFocusForView:inRect:needsTranslation:] + 1464
6 com.apple.AppKit 0x9500fc6a -
[NSProgressIndicator heartBeat:] + 2304
7 com.apple.AppKit 0x9500f0dc -[NSUIHeartBeat
_heartBeatThread:] + 1597
8 com.apple.Foundation 0x92caa7ed -[NSThread main] + 45
9 com.apple.Foundation 0x92caa394 __NSThread__main__ +
308
10 libSystem.B.dylib 0x9008b095 _pthread_start
+ 321
11 libSystem.B.dylib 0x9008af52 thread_start + 34
Michael Domino
email@hidden
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