Withdrawn: 8291714: Implement a Multi-Reader Single-Writer mutex for Hotspot

[duke]

On Thu, 11 Aug 2022 15:18:10 GMT, Johan Sjölen <jsjolen at openjdk.org> wrote:

> May I please have a review for this PR which implements a `MRWMutex` class for Hotspot?
> 
> This PR does 3 things:
> 
> * Adds a port of ZGC's MRSW mutex (see [0]) to Hotspot
> * Adds some new utilities for writing multi-threaded tests.
> * Adds some tests for MRSW Mutex using these new utilities
> 
> The ticket has some comments which might be worth checking out: https://bugs.openjdk.org/browse/JDK-8291714
> 
> [0] Original source code here: https://github.com/openjdk/zgc/blob/zgc_generational/src/hotspot/share/gc/z/zJNICritical.cpp

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/9838