7122142 : (ann) Race condition between isAnnotationPresent and getAnnotations
peter.levart at gmail.com
Fri Jul 5 09:12:13 UTC 2013
Sorry, the 4th revision I posted is not rebased to the current tip of
jdk8-tl so it contained some diffs that reverted some things.
Here's the correct patch:
On 07/05/2013 10:32 AM, Peter Levart wrote:
> Hi Joel,
> Here's the 4th revision of the patch:
> This one introduces CAS-ing of the AnnotationType instance into the
> Class.annotationType field so that there's only a single instance ever
> returned for a single Class. I also introduced new private static
> Class.Atomic nested class that is used to lazily initialize Unsafe
> machinery and to provide a safe wrapper for internal j.l.Class use.
> Previously this was part of ReflectionData nested class because it was
> only used for it's purpose. In anticipation to have a need for more
> atomic operations in the future, I moved this code to a separate
> class. ReflectionData is now just a record.
> Regards, Peter
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