"Randy Brukardt" a �crit dans le message de news:106jkmlj2g6ik57@corp.supernews.com... > Barriers of a PO are re-evaluated whenever a protected action ends, and when > an entry is called. A barrier which can change state without a protected > action ending is incorrect and may not work properly. > I would not describe this as "incorrect", but certainly you need to know what you are doing. I do have one PO where a barrier state is external to the PO and can change without protected action. But the PO has a "begin null; end" procedure whose name is "Reevaluate_Guards"... -- --------------------------------------------------------- J-P. Rosen (rosen@adalog.fr) Visit Adalog's web site at http://www.adalog.fr