use RLock instead of Lock, as queued actions might call the set/clear methods recursively Change-Id: Id43aa8669955e6be9f61379d039a4f65eb7b2dc4 Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/34950 Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch> Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>