Using condition_variable wait w/ predicate

egalli64 · Aug 18, 2013 · 432407d · 432407d
1 parent b075897
commit 432407d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/thread/condQueue.cpp b/thread/condQueue.cpp
@@ -35,13 +35,17 @@ class Conditional
         while(true)
         {
             std::unique_lock<std::mutex> lock(mutex_);
+/*
             while(queue_.empty())
             {
                 std::cout << "waiting queue" << std::endl;
                 cond_.wait(lock);
 //                if(queue_.empty())
 //                    std::cout << "spurious ";
             }
+ */
+            cond_.wait(lock, [this] { return !queue_.empty(); });
+
             int message = queue_.front();
             queue_.pop();