X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=tos%2Flib%2Ftimer%2FVirtualizeAlarmC.nc;h=07180360d4ef584751a9d0697403f217b02f969a;hb=e9bfab607e051bae6afb47b44892ce37541d1b44;hp=e7c65d433ed434ca81228f431d941704d6180798;hpb=adf1de6c009d13b7b52e68535c63b28f59c97400;p=tinyos-2.x.git

diff --git a/tos/lib/timer/VirtualizeAlarmC.nc b/tos/lib/timer/VirtualizeAlarmC.nc
index e7c65d43..07180360 100644
--- a/tos/lib/timer/VirtualizeAlarmC.nc
+++ b/tos/lib/timer/VirtualizeAlarmC.nc
@@ -166,7 +166,7 @@ implementation
 
   // extended interface
   async command bool Alarm.isRunning[uint8_t id]() {
-    return m.isset[id];
+    atomic return m.isset[id];
   }
 
   async command void Alarm.startAt[uint8_t id]( size_type t0, size_type dt ) {