Re: printDocument: hangs on Lion?
Re: printDocument: hangs on Lion?
- Subject: Re: printDocument: hangs on Lion?
- From: email@hidden
- Date: Mon, 22 Aug 2011 09:44:11 -0400
I'm not saying it's a bug in your code, but I have +autosavesInPlace set to return YES in my app and I can't reproduce your problem when printing. I know this doesn't solve your problem, but figured it might be worth knowing that not everyone is seeing this problem.
Dave
On Aug 22, 2011, at 9:26 AM, Graham Cox wrote:
> Further info, if I take out +autosavesInPlace (was overridden to return YES), it works fine.
>
> This suggests there's more to supporting this new-fangled document model to allow printing to work. Any documentation spells this out?
>
> Working in Xcode 4, the documentation viewer is so incredibly poor compared to Xcode 3 I can't find anything, or rather I can't wait the ten minutes per page it takes to download anything (aside: is there a way to d/l all the documentation and view it locally? We don't all have gigabit fibre to the node).
>
> --G.
>
>
> On 22/08/2011, at 10:59 PM, Graham Cox wrote:
>
>> When my NSDocument subclass has its printDocument: method called, Lion hangs indefinitely. Snow Leopard works fine.
>>
>> The top of my stack looks like this:
>>
>> #0 0x00007fff905676b6 in semaphore_wait_trap ()
>> #1 0x00007fff85ddb08e in _dispatch_semaphore_wait_slow ()
>> #2 0x00007fff881b2616 in -[NSDocument performActivityWithSynchronousWaiting:usingBlock:] ()
>> #3 0x00007fff881a2518 in -[NSDocument runModalPrintOperation:delegate:didRunSelector:contextInfo:] ()
>> #4 0x000000010009e544 in -[GCOrteliusDocument runModalPrintOperation:delegate:didRunSelector:contextInfo:] at /Users/grahamcox/Projects/Artboard/Artboard/Source/Code/GCOrteliusDocument.m:1476
>> #5 0x00000001002f5b9f in -[DKDrawingDocument printShowingPrintPanel:] at /Users/grahamcox/Projects/DrawKit/DrawKit/../Source/Code/DKDrawingDocument.m:923
>> #6 0x00007fff881a1a52 in __-[NSDocument printDocumentWithSettings:showPrintPanel:delegate:didPrintSelector:contextInfo:]_block_invoke_2 ()
>> #7 0x00007fff881a95e0 in -[NSDocument _commitEditingThenContinue:] ()
>> #8 0x00007fff881a52ab in -[NSDocument _commitEditingWithDelegate:didSomethingSelector:contextInfo:thenContinue:] ()
>> #9 0x00007fff881a18bf in __-[NSDocument printDocumentWithSettings:showPrintPanel:delegate:didPrintSelector:contextInfo:]_block_invoke_1 ()
>> #10 0x00007fff881b2670 in -[NSDocument performActivityWithSynchronousWaiting:usingBlock:] ()
>> #11 0x00007fff881a17d1 in -[NSDocument printDocumentWithSettings:showPrintPanel:delegate:didPrintSelector:contextInfo:] ()
>> #12 0x00007fff881a1763 in -[NSDocument printDocument:] ()
>>
>>
>> So it's waiting on some lock, but it never gets it. This is on the main thread, therefore my app just grinds to a halt and has to be force quit.
>>
>> I'm at a loss as to what to do - it doesn't seem to be my bug.
>>
>> --Graham
>>
>>
>>
>>
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