On Mon, 18 Sep 2023 09:54:18 GMT, Axel Boldt-Christmas <abold...@openjdk.org> wrote:
> ObjectMonitorIterator fails to return the most resent monitor added. It start > with returning the `nextOM()` ObjectMonitor from the `_head` ObjectMonitor > but fails to ever return the `_head` ObjectMonitor. > The current implementation can also not handle that the `_head` is nullptr > (no monitors in the system) and returns a null ObjectMonitorIterator. Which > is interpreted as `monitor list not supported, too old hotspot VM`. > > Changed the iterator to keep return the current monitor (starts with `_head`) > and decoupled `_head == nullptr` from the question if ObjectMonitorIterator > is supported. > > Testing: > * Passes all `serviceability/sa` tests > * Passed tier 1-5 > * Passed GHA This pull request has now been integrated. Changeset: 50a7a04e Author: Axel Boldt-Christmas <abold...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/50a7a04e9adef8d6e7adffb83b01d551e22cd910 Stats: 36 lines in 6 files changed: 8 ins; 10 del; 18 mod 8316417: ObjectMonitorIterator does not return the most recent monitor and is incorrect if no monitors exists Reviewed-by: cjplummer, dholmes ------------- PR: https://git.openjdk.org/jdk/pull/15782