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diff --git a/src/corelib/arch/qatomic_symbian.h b/src/corelib/arch/qatomic_symbian.h
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+++ b/src/corelib/arch/qatomic_symbian.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 QATOMIC_SYMBIAN_H
+#define QATOMIC_SYMBIAN_H
+
+#include <QtCore/qglobal.h>
+#include <e32std.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_SOMETIMES_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_SOMETIMES_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_SOMETIMES_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_SOMETIMES_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_SOMETIMES_NATIVE
+
+Q_CORE_EXPORT bool QBasicAtomicPointer_isTestAndSetNative();
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return QBasicAtomicPointer_isTestAndSetNative(); }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_SOMETIMES_NATIVE
+
+Q_CORE_EXPORT bool QBasicAtomicPointer_isFetchAndStoreNative();
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return QBasicAtomicPointer_isFetchAndStoreNative(); }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_SOMETIMES_NATIVE
+
+Q_CORE_EXPORT bool QBasicAtomicPointer_isFetchAndAddNative();
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return QBasicAtomicPointer_isFetchAndAddNative(); }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+Q_CORE_EXPORT bool QBasicAtomicInt_testAndSetOrdered(volatile int *, int, int);
+Q_CORE_EXPORT int QBasicAtomicInt_fetchAndStoreOrdered(volatile int *, int);
+Q_CORE_EXPORT int QBasicAtomicInt_fetchAndAddOrdered(volatile int *, int);
+Q_CORE_EXPORT bool QBasicAtomicInt_testAndSetRelaxed(volatile int *, int, int);
+Q_CORE_EXPORT int QBasicAtomicInt_fetchAndStoreRelaxed(volatile int *, int);
+Q_CORE_EXPORT int QBasicAtomicInt_fetchAndAddRelaxed(volatile int *, int);
+Q_CORE_EXPORT bool QBasicAtomicInt_testAndSetAcquire(volatile int *, int, int);
+Q_CORE_EXPORT int QBasicAtomicInt_fetchAndStoreAcquire(volatile int *, int);
+Q_CORE_EXPORT int QBasicAtomicInt_fetchAndAddAcquire(volatile int *, int);
+Q_CORE_EXPORT bool QBasicAtomicInt_testAndSetRelease(volatile int *, int, int);
+Q_CORE_EXPORT int QBasicAtomicInt_fetchAndStoreRelease(volatile int *, int);
+Q_CORE_EXPORT int QBasicAtomicInt_fetchAndAddRelease(volatile int *, int);
+
+Q_CORE_EXPORT bool QBasicAtomicPointer_testAndSetOrdered(void * volatile *, void *, void *);
+Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndStoreOrdered(void * volatile *, void *);
+Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndAddOrdered(void * volatile *, qptrdiff);
+Q_CORE_EXPORT bool QBasicAtomicPointer_testAndSetRelaxed(void * volatile *, void *, void *);
+Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndStoreRelaxed(void * volatile *, void *);
+Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndAddRelaxed(void * volatile *, qptrdiff);
+Q_CORE_EXPORT bool QBasicAtomicPointer_testAndSetAcquire(void * volatile *, void *, void *);
+Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndStoreAcquire(void * volatile *, void *);
+Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndAddAcquire(void * volatile *, qptrdiff);
+Q_CORE_EXPORT bool QBasicAtomicPointer_testAndSetRelease(void * volatile *, void *, void *);
+Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndStoreRelease(void * volatile *, void *);
+Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndAddRelease(void * volatile *, qptrdiff);
+
+// Reference counting
+
+//LockedInc and LockedDec are machine coded for ARMv6 (and future proof)
+inline bool QBasicAtomicInt::ref()
+{
+    int original = User::LockedInc((TInt&)_q_value);
+    return original != -1;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+    int original = User::LockedDec((TInt&)_q_value);
+    return original != 1;
+}
+
+// Test and set for integers
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+    return QBasicAtomicInt_testAndSetOrdered(&_q_value, expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+    return QBasicAtomicInt_testAndSetRelaxed(&_q_value, expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+    return QBasicAtomicInt_testAndSetAcquire(&_q_value, expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+    return QBasicAtomicInt_testAndSetRelease(&_q_value, expectedValue, newValue);
+}
+
+// Fetch and store for integers
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+    return QBasicAtomicInt_fetchAndStoreOrdered(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+    return QBasicAtomicInt_fetchAndStoreRelaxed(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+    return QBasicAtomicInt_fetchAndStoreAcquire(&_q_value, newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+    return QBasicAtomicInt_fetchAndStoreRelease(&_q_value, newValue);
+}
+
+// Fetch and add for integers
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+    return QBasicAtomicInt_fetchAndAddOrdered(&_q_value, valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+    return QBasicAtomicInt_fetchAndAddRelaxed(&_q_value, valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+    return QBasicAtomicInt_fetchAndAddAcquire(&_q_value, valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+    return QBasicAtomicInt_fetchAndAddRelease(&_q_value, valueToAdd);
+}
+
+// Test and set for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+    return QBasicAtomicPointer_testAndSetOrdered(reinterpret_cast<void * volatile *>(&_q_value),
+        expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+    return QBasicAtomicPointer_testAndSetRelaxed(reinterpret_cast<void * volatile *>(&_q_value),
+        expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+    return QBasicAtomicPointer_testAndSetAcquire(reinterpret_cast<void * volatile *>(&_q_value),
+        expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+    return QBasicAtomicPointer_testAndSetRelease(reinterpret_cast<void * volatile *>(&_q_value),
+        expectedValue, newValue);
+}
+
+// Fetch and store for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+    return static_cast<T*>(QBasicAtomicPointer_fetchAndStoreOrdered(
+        reinterpret_cast<void * volatile *>(&_q_value)
+        , newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+    return static_cast<T*>(QBasicAtomicPointer_fetchAndStoreRelaxed(
+        reinterpret_cast<void * volatile *>(&_q_value)
+        , newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+    return static_cast<T*>(QBasicAtomicPointer_fetchAndStoreAcquire(
+        reinterpret_cast<void * volatile *>(&_q_value)
+        , newValue));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+    return static_cast<T*>(QBasicAtomicPointer_fetchAndStoreRelease(
+        reinterpret_cast<void * volatile *>(&_q_value)
+        , newValue));
+}
+
+// Fetch and add for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+    return static_cast<T*>(QBasicAtomicPointer_fetchAndAddOrdered(
+        reinterpret_cast<void * volatile *>(&_q_value),
+        valueToAdd * sizeof(T)));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+    return static_cast<T*>(QBasicAtomicPointer_fetchAndAddRelaxed(
+        reinterpret_cast<void * volatile *>(&_q_value),
+        valueToAdd * sizeof(T)));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+    return static_cast<T*>(QBasicAtomicPointer_fetchAndAddAcquire(
+        reinterpret_cast<void * volatile *>(&_q_value),
+        valueToAdd * sizeof(T)));
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+    return static_cast<T*>(QBasicAtomicPointer_fetchAndAddRelease(
+        reinterpret_cast<void * volatile *>(&_q_value),
+        valueToAdd * sizeof(T)));
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_SYMBIAN_H