On Fri, 12 Apr 2024 12:00:55 GMT, Serguei Spitsyn <sspit...@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 > Thanks for the investigation! Maybe we should have an assert that > current->is_VTMS_transition_disabler() here or even in the > JvmtiHandshake::execute() that expects we have one in scope? I see that we > have some conditions where JvmtiVTMSTransitionDisabler is a no-op though so > we would have to include does as well. Or maybe set the boolean even when it > is a no-op. I'm thinking about the same. It should be relatively easy to implement this check. ------------- PR Comment: https://git.openjdk.org/jdk/pull/18630#issuecomment-2052144005