RFR: ThreadSnapshot: redesign and cleanup

[Alan Bateman]

On Fri, 16 May 2025 01:02:23 GMT, Alex Menkov <amenkov at openjdk.org> wrote:

> ThreadSnapshot: redesign and cleanup

src/hotspot/share/classfile/javaClasses.cpp line 1974:

> 1972:         oop park_blocker = java_lang_Thread::park_blocker(_java_thread());
> 1973:         if (park_blocker != nullptr) {
> 1974:           _blocker = LockInfo(LockInfo::PARKING_TO_WAIT, OopHandle(Universe::vm_global(), park_blocker));

At some point then maybe this could move out of detect_locks as it's nothing to do with the javaVFrame, instead parkBlocker is just a property of a thread and PARKING_TO_WAIT can be PARK_BLOCKER.

-------------

PR Review Comment: https://git.openjdk.org/loom/pull/220#discussion_r2092444788