RFR: 8329674: JvmtiEnvThreadState::reset_current_location function should use JvmtiHandshake [v3]

[Serguei Spitsyn]

On Fri, 12 Apr 2024 12:00:55 GMT, Serguei Spitsyn <sspitsyn at openjdk.org> wrote:

>> The internal JVM TI JvmtiHandshake and JvmtiUnitedHandshakeClosure classes were introduced in the JDK 22 to unify/simplify the JVM TI functions supporting implementation of the virtual threads. This enhancement is to refactor the JVM TI internal functions JvmtiEnvThreadState::reset_current_location on the base of JvmtiHandshake and JvmtiUnitedHandshakeClosure classes.
>> 
>> Testing:
>>  - Ran mach5 tiers 1-6
>
> Serguei Spitsyn has updated the pull request incrementally with one additional commit since the last revision:
> 
>   review: remove unneded check for is_vthread_alive; do not call do_thread from do_vthread

Thank you for review, Patricio!

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PR Comment: https://git.openjdk.org/jdk/pull/18630#issuecomment-2052207437