RFR: 8000973: SA on windows thread inspection is broken

Yumin Qi yumin.qi at oracle.com
Thu Jan 31 11:12:33 PST 2013


Serguei,

   Thanks

Yumin

On 1/31/2013 11:10 AM, serguei.spitsyn at oracle.com wrote:
> Hi Yumin,
>
> Looks good.
>
> A couple of minor comments.
>
> 1. All the copyright comments are outdated.
>
> 2.
> *   
> agent/src/share/classes/sun/jvm/hotspot/debugger/windbg/amd64/WindbgAMD64Thread.java
> ***   
> agent/src/share/classes/sun/jvm/hotspot/debugger/windbg/x86/WindbgX86Thread.java
> **
>    37   //The address argument must be the address of the OSThread::_thread_id
>  Space is missed at the beginning of comment.
>
>    39     this.debugger = debugger;
> *   40     this.sysId   =  (long)addr.getCIntegerAt(0, 4, true);*
>  The '=' is not aligned properly and extra space after '='.
>
>
> Thanks,
> Serguei
>
>
> On 1/30/13 11:16 PM, Yumin Qi wrote:
>> Please have your comments on:
>>
>> http://cr.openjdk.java.net/~minqi/8000973/
>>
>> This only affected Windows platform.
>>
>> Summary: After bug 7161732, On Windows SA could not find correct 
>> address of thread_id of OSThread since _thread_id moved to end of the 
>> class . The presupposition of the address is following thread handle 
>> no longer stands. Fix by adding thread_id field to OSThread and 
>> getting the  address directly from OSThread.
>> Reviewed-by:
>> Contributed-by: yumin.qi at oracle.com
>>
>> Thanks
>> Yumin
>
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