RFR: 7903373: Add ability to customize test execution using main wrapper plugin [v5]

[Leonid Mesnik]

On Tue, 6 Dec 2022 23:29:41 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

>> Leonid Mesnik has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   empty lines removed.
>
> src/share/classes/com/sun/javatest/regtest/agent/CustomMainWrapper.java line 61:
> 
>> 59:             Constructor<? extends CustomMainWrapper> ctor = clz.getDeclaredConstructor();
>> 60:             CustomMainWrapper wrapper = ctor.newInstance();
>> 61:             wrapper.setAction(actionName);
> 
> Is the `actionName` ever going to be useful?   Di you use it in the Loom implementation?  Why would the thread created by `createThread` depend on the difference between `main` and `driver` actions?
> 
> (In general, a `driver` action is handled much earlier in the execution, when `RegressionScript` decides what VM options (if any) should be used for the agent.

I re-checked, seems actionName might be not needed. We could use virtual threads in all actions. So I removed actionName.

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PR: https://git.openjdk.org/jtreg/pull/136