RFR: 8293067: (fs) Implement WatchService using system library (macOS) [v7]

[Maxim Kartashev]

On Sun, 9 Oct 2022 13:51:51 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Maxim Kartashev has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Dropped __unused attributes from used parameters
>
> test/jdk/jdk/nio/zipfs/test.policy line 7:
> 
>> 5:     permission java.util.PropertyPermission "user.dir","read";
>> 6:     permission java.lang.RuntimePermission "accessUserInformation";
>> 7:     permission java.lang.RuntimePermission "loadLibrary.nio";
> 
> Why it this needed? It suggests there is a problem elsewhere so would be good to see the exception.

I understand that previously using a `WatchService` didn't require a native library to be loaded, but now it does.

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PR: https://git.openjdk.org/jdk/pull/10140