Request for review: 7149913 [macosx] Deadlock in LWTextComponentPeer
artem.ananiev at oracle.com
Mon Mar 26 08:26:15 PDT 2012
On 3/26/2012 5:37 PM, Sergey Bylokhov wrote:
> Hi, Artem.
> AWT tree lock used for locking delegate.
Ah, right, I was confused by the method name, getDelegateLock()... OK,
could you add some information to the bug, please? Right now Evaluation
contains a statement about the deadlock, but not about what it is caused
by and how it can be resolved.
> 26.03.2012 17:37, Artem Ananiev wrote:
>> Hi, Sergey,
>> On 3/22/2012 6:05 PM, Sergey Bylokhov wrote:
>>> Hi Everyone,
>>> This is a forward port from jdk 7u4:
>>> Deadlock happens when 2 threads lock delegateLock and DefaultCaret
>>> object in different order. Removed code initially was added to stop
>>> recursion between paintPeer and addDirtyRegion(
>>> etc), but it is impossible now because repaintPeer() asynchronous.
>> according to the stack trace in bug description, the evaluation above
>> doesn't look right. Initially reported deadlock involved AWT tree
>> lock, not delegate lock.
>>> Bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7149913
>>> Webrev can be found at:
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