- Synchronized the isSet method to guard agains...

- Synchronized the isSet method to guard against the weak guarantees of
the Java Memory Model

1 files changed, 2 insertions, 2 deletions

diff --git a/sources/scala/concurrent/SyncVar.scala b/sources/scala/concurrent/SyncVar.scala
index ec3fd281e2..0e1b9fd38c 100644
--- a/sources/scala/concurrent/SyncVar.scala
+++ b/sources/scala/concurrent/SyncVar.scala
@@ -26,12 +26,12 @@ class SyncVar[a] {
     notifyAll()
   }
 
-  def isSet: Boolean =
+  def isSet: Boolean = synchronized {
     isDefined;
+  }
 
   def unset = synchronized {
     isDefined = false
   }
 
 }
-