RFR (S) 8230003: Make Monitor inherit from Mutex

[Robbin Ehn]

Hi Coleen,

This comment is not a good one:
193 // PlatformMonitor extends PlatformMutex so this makes sense.
This makes sense because a mutex is a subset of a monitor.

Looks good. (minus some more monitor -> mutex naming as David pointed out)

Thanks, Robbin

On 2019-08-22 04:52, coleen.phillimore at oracle.com wrote:
> Summary: Reverse inheritance that makes more sense.
> 
> See bug for more description.  Tested with hs-tier1-3 with linux-x64-debug and 
> hs-tier1 on Oracle platforms.
> 
> open webrev at http://cr.openjdk.java.net/~coleenp/2019/8230003.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8230003
> 
> Thanks,
> Coleen
> 
> 
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