only use the condition variable

Author: hendrikmuhs

keyvi/include/keyvi/index/internal/index_writer_worker.h

@@ -211,16 +211,17 @@ std::cout << "flush" << std::endl;
         Compile(&payload);
       });
     } else {
-      std::shared_mutex m;
-      std::condition_variable_any c;
-      std::shared_lock lock(m);
-      compiler_active_object_([&m, &c](IndexPayload& payload) {
+      std::mutex m;
+      std::condition_variable c;
+      std::unique_lock<std::mutex> lock(m);
+      compiler_active_object_([&c](IndexPayload& payload) {
 
         PersistDeletes(&payload);
         Compile(&payload);
-        std::shared_lock waitLock(m);
+        //std::unique_lock<std::mutex> waitLock(m);
         //waitLock.unlock();
         //lock.unlock();
+        //waitLock.release();
         c.notify_all();
         std::cout << "compile done" << std::endl;
       });