X-Git-Url: http://nitlanguage.org

diff --git a/lib/pthreads/concurrent_collections.nit b/lib/pthreads/concurrent_collections.nit
index 6df0ea5..e0c53af 100644
--- a/lib/pthreads/concurrent_collections.nit
+++ b/lib/pthreads/concurrent_collections.nit
@@ -161,10 +161,10 @@ abstract class ConcurrentCollection[E]
 		return r
 	end
 
-	redef fun join(sep)
+	redef fun join(sep, last_sep)
 	do
 		mutex.lock
-		var r = real_collection.join(sep)
+		var r = real_collection.join(sep, last_sep)
 		mutex.unlock
 		return r
 	end
@@ -492,4 +492,19 @@ class ConcurrentList[E]
 		real_collection.unshift(e)
 		mutex.unlock
 	end
+
+	redef fun push(e)
+	do
+		mutex.lock
+		real_collection.push(e)
+		mutex.unlock
+	end
+
+	redef fun shift
+	do
+		mutex.lock
+		var value = real_collection.shift
+		mutex.unlock
+		return value
+	end
 end