which much faster than osl_Mutex, and especially for this simple case Change-Id: I4e8ba221649587af76c7f7cac5f308821490980a Reviewed-on: https://gerrit.libreoffice.org/c/core/+/134300 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>