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HIToolbar goes into infinite loop

Subject: HIToolbar goes into infinite loop
From: Felix Schwarz <email@hidden>
Date: Sun, 23 Jan 2005 15:10:19 +0100
Delivered-to: email@hidden
Delivered-to: email@hidden

Hi everyone,

I'm experiencing infinite loops / hangs when I resize my window containing a HIToolbar to a small size. I use custom HIViews as items of that HIToolbar, but they do not seem to cause the hang since their handlers (both of the toolbar items and the custom HIViews) are - according to my debug output - cleanly entered and left and not called inside this infinite loop. To make this even more difficult to resolve, the interesting symbols' names can't be resolved.

If I hide the toolbar, everything works fine.

-- CUT --

Analysis of sampling pid 602 every 10.000000 milliseconds Call graph: 280 Thread_110b 280 _dyld_start 280 _start 280 main 280 RunApplicationEventLoop 280 AcquireNextEventInMode 280 ReceiveNextEventCommon 280 RunCurrentEventLoopInMode 280 CFRunLoopRunSpecific 280 __CFRunLoopRun 280 __CFRunLoopDoTimer 280 IOMPCoreThreadHandlerTimer 280 SendEventToEventTarget 280 SendEventToEventTargetInternal 280 DispatchEventToHandlers 280 ToolboxEventDispatcherHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*) 280 HandleMouseEvent(OpaqueEventRef*) 280 HandleMouseEventForWindow(OpaqueWindowPtr*, OpaqueEventRef*, unsigned short) 280 SendEventToEventTarget 280 SendEventToEventTargetInternal 280 DispatchEventToHandlers 280 StandardWindowEventHandler 280 HandleMouseEvent 280 HandleWindowClick 280 HandleClickAsHIView 280 HIViewClick 280 HIView::Click(OpaqueEventRef*) 280 SendEventToEventTarget 280 SendEventToEventTargetInternal 280 DispatchEventToHandlers 280 HIView::EventHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*) 280 HIView::ClickSelf(OpaqueEventRef*) 280 HIView::ClickInternal(CGPoint const&, unsigned long, void (*)(OpaqueControlRef*, short), bool) 280 SendControlDefTrack(HIView*, CGPoint const&, unsigned long*, void (*)(OpaqueControlRef*, short), short*) 280 SendEventToEventTargetWithOptions 280 SendEventToEventTargetInternal 280 DispatchEventToHandlers 280 HIView::EventHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*) 280 HIGrowBoxView::TrackSelf(OpaqueEventRef*, short*) 280 ResizeWindow 280 TWindowTracker::TrackWindow() 280 TWindowTracker::RelocateWindowImage(unsigned char) 280 SetWindowBoundsInternal(OpaqueWindowPtr*, unsigned short, Rect const*, Rect const*, unsigned long) 280 MoveResizeWindowInternal(WindowData*, short, short, short, short, unsigned char, unsigned char, unsigned char, unsigned char, Rect const*, unsigned long) 280 WindowData::MoveResizeRgns(short, short, short, short, bool) 280 HIViewSetFrame 280 HIView::SetFrame(CGRect const&) 280 SendControlDefBoundsChanged(HIView*, CGRect const&, CGRect const&) 280 SendEventToEventTargetWithOptions 280 SendEventToEventTargetInternal 280 DispatchEventToHandlers 280 HIView::EventHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*) 280 HIView::LayoutChildren() 280 SendEventToEventTargetWithOptions 280 SendEventToEventTargetInternal 280 DispatchEventToHandlers 280 HIView::EventHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*) 280 HIWindowFrameView::LayoutChildrenSelf() 280 HIView::SetFrame(CGRect const&) 280 SendControlDefBoundsChanged(HIView*, CGRect const&, CGRect const&) 280 SendEventToEventTargetWithOptions 280 SendEventToEventTargetInternal 280 DispatchEventToHandlers 280 HIView::EventHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*) 280 HIToolbarView::LayoutChildrenSelf() 157 HIToolbarView::LayoutRowStartingAtIndex(long, CGPoint, float, HIToolbarView::LayoutInfo*) 123 HIToolbarView::LayoutRowStartingAtIndex(long, CGPoint, float, HIToolbarView::LayoutInfo*) 25 CFArrayGetValueAtIndex 25 CFArrayGetValueAtIndex 9 CFArrayGetCount 9 CFArrayGetCount 68 0x92a6cc04 68 0x92a6cc04 28 floor 28 floor 6 CFArrayGetValueAtIndex 6 CFArrayGetValueAtIndex 5 0x92a6a664 5 0x92a6a664 4 CFArrayGetCount 4 CFArrayGetCount 3 0x92a6a67c 3 0x92a6a67c 2 0x92a6a524 2 0x92a6a524 2 0x92a6a534 2 0x92a6a534 1 0x92a6a53c 1 0x92a6a53c 1 0x92a6a66c 1 0x92a6a66c 1 0x92a6cc0c 1 0x92a6cc0c 1 0x92a6cc14 1 0x92a6cc14 1 0x92a6cc1c 1 0x92a6cc1c 280 Thread_1203 280 _pthread_body 280 PrivateMPEntryPoint 280 IOMPCoreTask 280 MPWaitOnQueue 280 _pthread_cond_wait 280 semaphore_wait_signal_trap 280 semaphore_wait_signal_trap 280 Thread_1303 280 _pthread_body 280 PrivateMPEntryPoint 280 IOMPCoreTask 280 MPWaitOnQueue 280 _pthread_cond_wait 280 semaphore_wait_signal_trap 280 semaphore_wait_signal_trap 280 Thread_1403 280 _pthread_body 280 PrivateMPEntryPoint 280 IOMPCoreTask 280 MPWaitOnQueue 280 _pthread_cond_wait 280 semaphore_wait_signal_trap 280 semaphore_wait_signal_trap 280 Thread_1503 280 _pthread_body 280 PrivateMPEntryPoint 280 IOMPCoreTask 280 MPWaitOnQueue 280 _pthread_cond_wait 280 semaphore_wait_signal_trap 280 semaphore_wait_signal_trap 280 Thread_1603 280 _pthread_body 280 PrivateMPEntryPoint 280 IOMPCoreTask 280 MPWaitOnQueue 280 _pthread_cond_wait 280 semaphore_wait_signal_trap 280 semaphore_wait_signal_trap

Total number in stack (recursive counted multiple, when >=5): 7 DispatchEventToHandlers 7 SendEventToEventTargetInternal 5 HIView::EventHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*) 5 IOMPCoreTask 5 MPWaitOnQueue 5 PrivateMPEntryPoint 5 _pthread_body 5 _pthread_cond_wait 5 semaphore_wait_signal_trap

Sort by top of stack, same collapsed (when >= 5): semaphore_wait_signal_trap 1400 HIToolbarView::LayoutRowStartingAtIndex(long, CGPoint, float, HIToolbarView::LayoutInfo*) 123 0x92a6cc04 68 CFArrayGetValueAtIndex 31 floor 28 CFArrayGetCount 13 0x92a6a664 5 Sample analysis of process 602 written to file /dev/stdout Sampling process 602 each 10 msecs 300 times

-- CUT --

I'd be thankful for any clues regarding this problem, since it is one of the last things that keep me from releasing the software.

Best regards,
Felix

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