Index: libcfa/src/concurrency/kernel_private.hfa
===================================================================
--- libcfa/src/concurrency/kernel_private.hfa	(revision 7d0ebd0d86c0a2ccd570dafa35c3f322a749ff2d)
+++ libcfa/src/concurrency/kernel_private.hfa	(revision 13fdf866f7f954372ac020e1f9c2e07c7f3eb131)
@@ -60,4 +60,10 @@
 extern bool __preemption_enabled();
 
+enum {
+	PREEMPT_NORMAL    = 0,
+	PREEMPT_TERMINATE = 1,
+	PREEMPT_IO = 2,
+};
+
 static inline void __disable_interrupts_checked() {
 	/* paranoid */ verify( __preemption_enabled() );