RFR: 8273000: Remove WeakReference-based class initialisation barrier implementation [v2]

[Vladimir Ivanov]

On Thu, 2 Sep 2021 05:08:38 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> src/java.base/share/classes/jdk/internal/misc/Unsafe.java line 1152:
>> 
>>> 1150:      * The call returns when either class {@code c} is fully initialized or
>>> 1151:      * class {@code c} is being initialized and the call is performed from
>>> 1152:      * the initializing thread.
>> 
>> Suggestion:
>> 
>>      * The call returns when either class {@code c} is fully initialized or
>>      * class {@code c} is being initialized and the call is performed from
>>      * the initializing thread. In the latter case a subsequent call to
>>      * {@link #shouldBeInitialized}, from the calling thread of this call,
>>      * will return {@code true}.
>
> Aren't "the calling thread of this call" and "the initializing thread" the same thread in the latter case?

Agree. I dropped "from the calling thread of this call" part and incorporated the rest into the latest version.

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PR: https://git.openjdk.java.net/jdk/pull/5258