1 files changed, 1 insertions, 1 deletions
diff --git a/libports/ports.h b/libports/ports.h
index a625b479..f02edb42 100644
--- a/libports/ports.h
+++ b/libports/ports.h
@@ -48,7 +48,7 @@ struct port_info
   struct port_class *class;
   refcounts_t refcounts;
   mach_port_mscount_t mscount;
-  mach_msg_seqno_t cancel_threshold;
+  mach_msg_seqno_t cancel_threshold;	/* needs atomic operations */
   int flags;
   mach_port_t port_right;
   struct rpc_info *current_rpcs;