From: Date: August 28 2008 2:01am
Subject: RE: bzr commit into mysql-6.0-falcon branch (vvaintroub:2805) Bug#39024
List-Archive: http://lists.mysql.com/commits/52791
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Vlad, very good catch.  OK to push.

>-----Original Message-----
>From: Vladislav Vaintroub [mailto:vvaintroub@stripped]
>Sent: Wednesday, August 27, 2008 4:53 PM
>To: commits@stripped
>Subject: bzr commit into mysql-6.0-falcon branch (vvaintroub:2805)
Bug#39024
>
>#At file:///C:/bzr/mysql-6.0-falcon-team/
>
> 2805 Vladislav Vaintroub	2008-08-27
>      Bug#39024 Crash in DeferredIndex::detachTransaction
>
>      DeferredIndex::syncObject is accessed even after
>      "this" object is destroyed in releaseRef().
>
>      I put a block at the start of function and before releaseRef()
>      to force the destructor of sync before  the object itself
>      is destroyed.
>modified:
>  storage/falcon/DeferredIndex.cpp
>
>=== modified file 'storage/falcon/DeferredIndex.cpp'
>--- a/storage/falcon/DeferredIndex.cpp	2008-07-25 18:07:24 +0000
>+++ b/storage/falcon/DeferredIndex.cpp	2008-08-27 21:52:50 +0000
>@@ -825,6 +825,7 @@ void DeferredIndex::detachIndex(void)
>
> void DeferredIndex::detachTransaction(void)
> {
>+	{
> 	Sync sync(&syncObject, "DeferredIndex::detachTransaction");
> 	sync.lock(Exclusive);
> 	transaction = NULL;
>@@ -839,6 +840,7 @@ void DeferredIndex::detachTransaction(vo
> 		}
> 	else
> 		sync.unlock();
>+	}
>
> 	releaseRef();
> }
>
>
>--
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