src/messaging/qmessageglobal.h
changeset 0 876b1a06bc25
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/messaging/qmessageglobal.h	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,76 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMESSAGINGGLOBAL_H
+#define QMESSAGINGGLOBAL_H
+
+#include <qmobilityglobal.h>
+#include <QString>
+
+// A variant of Q_GLOBAL_STATIC for use in class scope
+#define Q_SCOPED_STATIC_DECLARE(TYPE, NAME)                      \
+    static TYPE *NAME();
+
+#if defined(QT_NO_THREAD)
+#  define Q_SCOPED_STATIC_DEFINE(TYPE, SCOPE, NAME)              \
+    TYPE *SCOPE::NAME()                                          \
+    {                                                            \
+        static TYPE this_##NAME;                                 \
+        static QGlobalStatic<TYPE > global_##NAME(&this_##NAME); \
+        return global_##NAME.pointer;                            \
+    }
+#  else
+#  define Q_SCOPED_STATIC_DEFINE(TYPE, SCOPE, NAME)                     \
+    Q_GLOBAL_STATIC_INIT(TYPE, NAME);                                   \
+    TYPE *SCOPE::NAME()                                                 \
+    {                                                                   \
+        if (!this_##NAME.pointer && !this_##NAME.destroyed) {           \
+            TYPE *x = new TYPE;                                         \
+            if (!this_##NAME.pointer.testAndSetOrdered(0, x))           \
+                delete x;                                               \
+            else                                                        \
+                static QGlobalStaticDeleter<TYPE > cleanup(this_##NAME); \
+        }                                                               \
+        return this_##NAME.pointer;                                     \
+    }
+#endif
+
+#endif // QMESSAGINGGLOBAL_H