8235760: ZGC: Implement precise check for @require vm.gc.Z for Windows

Stefan Karlsson stefan.karlsson at oracle.com
Wed Dec 11 17:55:58 UTC 2019

Per wanted to move the is_os_supported from ZInitialize to ZArguments.

Updated webrevs:


On 2019-12-11 13:10, Stefan Karlsson wrote:
> Hi all,
> Please review this patch to reimplemente @require vm.gc.Z and 
> WB_IsGCSupported to use a more precise check on Windows.
> https://cr.openjdk.java.net/~stefank/8235760/webrev.01/
> https://bugs.openjdk.java.net/browse/JDK-8235760
> With this patch we call into the VM and try to resolve the required 
> Windows APIs, instead of doing string comparisons on system properties.
> Thanks,
> StefanK

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