Added initialized() function.

diff --git a/include/MUtils/Lazy.h b/include/MUtils/Lazy.h
index ed21e2d..8f2f631 100644 (file)
--- a/include/MUtils/Lazy.h
+++ b/include/MUtils/Lazy.h
@@ -62,6 +62,11 @@ namespace MUtils
                        return getValue();
                }
 
+               bool initialized()
+               {
+                       return (m_state > 1);
+               }
+
                ~Lazy(void)
                {
                        if(T *const value = m_value)
@@ -76,14 +81,15 @@ namespace MUtils
                        T *value;
                        while (!(value = m_value))
                        {
-                               if (m_status.testAndSetOrdered(0, 1))
+                               if (m_state.testAndSetOrdered(0, 1))
                                {
                                        if (value = m_initializer())
                                        {
                                                m_value.fetchAndStoreOrdered(value);
+                                               m_state.fetchAndStoreOrdered(2);
                                                break; /*success*/
                                        }
-                                       m_status.fetchAndStoreOrdered(0);
+                                       m_state.fetchAndStoreOrdered(0);
                                        MUTILS_THROW("Initializer returned NULL pointer!");
                                }
                                QThread::yieldCurrentThread();
@@ -93,7 +99,7 @@ namespace MUtils
 
        private:
                QAtomicPointer<T> m_value;
-               QAtomicInt m_status;
+               QAtomicInt m_state;
                const std::function<T*(void)> m_initializer;
        };
 }