[jdk17] RFR: JDK-8266310: deadlock between System.loadLibrary and JNI FindClass loading another class

[Aleksei Voitylov]

On Mon, 21 Jun 2021 16:49:30 GMT, Mandy Chung <mchung at openjdk.org> wrote:

>> Resubmitting the following PR https://github.com/openjdk/jdk/pull/3976 against JDK17.
>> 
>> This fixes the deadlock in ClassLoader between the two lock objects - a lock object associated with the class being loaded, and the ClassLoader.loadedLibraryNames hash map, locked during the native library load operation.
>> 
>> Further details can be found in the original PR.
>> 
>> Testing: jtreg and jck testing with no regressions. A new regression test was developed.
>
> @dholmes-ora @ChrisHegarty @plevart reviewed PR openjdk/jdk#3976.  Can you re-review this PR?

Thank you @mlchung @dholmes-ora @ChrisHegarty for re-reviews.

@AlanBateman is it ok with you?

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PR: https://git.openjdk.java.net/jdk17/pull/96