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

[David Holmes]

On 14/01/2021 6:29 pm, Yasumasa Suenaga wrote:
> 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.

Got it! Thanks.

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