git: openjdk/loom: fibers: JFR make write_event() re-entrant for recursive thread id

[duke]

Changeset: a6b943ca
Author:    mgronlun <markus.gronlund at oracle.com>
Date:      2022-03-10 23:50:20 +0000
URL:       https://git.openjdk.java.net/loom/commit/a6b943ca5591dc360f4a34705cfb2c563188a410

JFR make write_event() re-entrant for recursive thread id

! src/hotspot/share/jfr/recorder/service/jfrEvent.hpp