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     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the Qt Mobility Components.

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    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

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    40 ****************************************************************************/

    41 

    42 #ifndef QMESSAGINGGLOBAL_H

    43 #define QMESSAGINGGLOBAL_H

    44 

    45 #include <qmobilityglobal.h>

    46 #include <QString>

    47 

    48 // A variant of Q_GLOBAL_STATIC for use in class scope

    49 #define Q_SCOPED_STATIC_DECLARE(TYPE, NAME)                      \

    50     static TYPE *NAME();

    51 

    52 #if defined(QT_NO_THREAD)

    53 #  define Q_SCOPED_STATIC_DEFINE(TYPE, SCOPE, NAME)              \

    54     TYPE *SCOPE::NAME()                                          \

    55     {                                                            \

    56         static TYPE this_##NAME;                                 \

    57         static QGlobalStatic<TYPE > global_##NAME(&this_##NAME); \

    58         return global_##NAME.pointer;                            \

    59     }

    60 #  else

    61 #  define Q_SCOPED_STATIC_DEFINE(TYPE, SCOPE, NAME)                     \

    62     Q_GLOBAL_STATIC_INIT(TYPE, NAME);                                   \

    63     TYPE *SCOPE::NAME()                                                 \

    64     {                                                                   \

    65         if (!this_##NAME.pointer && !this_##NAME.destroyed) {           \

    66             TYPE *x = new TYPE;                                         \

    67             if (!this_##NAME.pointer.testAndSetOrdered(0, x))           \

    68                 delete x;                                               \

    69             else                                                        \

    70                 static QGlobalStaticDeleter<TYPE > cleanup(this_##NAME); \

    71         }                                                               \

    72         return this_##NAME.pointer;                                     \

    73     }

    74 #endif

    75 

    76 #endif // QMESSAGINGGLOBAL_H