RFR: 8252657: JVMTI agent is not unloaded when Agent_OnAttach is failed [v3]

Thu Jan 14 08:29:03 UTC 2021

On Thu, 14 Jan 2021 07:19:06 GMT, David Holmes <dholmes at openjdk.org> wrote:

> Hi Yasumasa,
> 
> Spec update looks good.
> 
> VM tweak to call dll_unload on failure looks good.

Thanks!

> I don't understand the test change though.

To check the agent is unloaded, call VM.dynlibs dcmd and check whether agent path is not contained.
libReturnError.so would be loaded only once in AttachReturnError.java, so it is expected to unload when `Agent_OnAttach()` fails.

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PR: https://git.openjdk.java.net/jdk/pull/19