cleaned up queue wrapper stuff
diff --git a/aos/common/queue.h b/aos/common/queue.h
index 6c33822..927f11f 100644
--- a/aos/common/queue.h
+++ b/aos/common/queue.h
@@ -213,15 +213,19 @@
 
   // Fetches the next message from the queue.
   // Returns true if there was a new message available and we successfully
-  // fetched it.  This removes the message from the queue for all readers.
+  // fetched it.
   bool FetchNext();
-  bool FetchNextBlocking();
+  void FetchNextBlocking();
 
   // Fetches the last message from the queue.
   // Returns true if there was a new message available and we successfully
   // fetched it.
   bool FetchLatest();
 
+  // Fetches another message from the queue. Blocks until there is one if the
+  // latest was already Fetched.
+  void FetchAnother();
+
   // Returns the age of the message.
   const time::Time Age() { return time::Time::Now() - queue_msg_->sent_time; }
 
diff --git a/aos/common/queue_test.cc b/aos/common/queue_test.cc
index 58c88dc..dfafe6a 100644
--- a/aos/common/queue_test.cc
+++ b/aos/common/queue_test.cc
@@ -34,7 +34,7 @@
   MyThread() : threaded_test_queue(".aos.common.testing.test_queue") {}
 
   virtual void Run() {
-    ASSERT_TRUE(threaded_test_queue.FetchNextBlocking());
+    threaded_test_queue.FetchNextBlocking();
     EXPECT_TRUE(threaded_test_queue->test_bool);
     EXPECT_EQ(0x971, threaded_test_queue->test_int);
   }