RFR: 7902831: Provide way to isolate tests from general concurrency

Thu Jul 8 04:06:54 UTC 2021

On Thu, 18 Feb 2021 20:13:20 GMT, Igor Ignatyev <iignatyev at openjdk.org> wrote:

> a prototype solution of [CODETOOLS-7902831](https://bugs.openjdk.java.net/browse/CODETOOLS-7902831) which changes `exclusiveAccess` tests to behave "nonconcurrent" one and uses read-write lock.

See comments in the JBS issue. 
The hotspot tests are not using `exclusiveAccessDirs` as was intended; it seems you may be looking for a new/different feature.

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Changes requested by jjg (Lead).

PR: https://git.openjdk.java.net/jtreg/pull/4