/******************************************************************************** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.**** This file is part of the QtCore module of the Qt Toolkit.**** This file may be used under the terms of the GNU General Public** License version 2.0 as published by the Free Software Foundation** and appearing in the file LICENSE.GPL included in the packaging of** this file.  Please review the following information to ensure GNU** General Public Licensing requirements will be met:** http://www.trolltech.com/products/qt/opensource.html**** If you are unsure which license is appropriate for your use, please** review the following information:** http://www.trolltech.com/products/qt/licensing.html or contact the** sales department at sales@trolltech.com.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#ifndef SPARC_QATOMIC_H#define SPARC_QATOMIC_H#include <QtCore/qglobal.h>QT_BEGIN_HEADER#if defined(_LP64)extern "C" {    Q_CORE_EXPORT int q_atomic_test_and_set_int(volatile int *ptr, int expected, int newval);    Q_CORE_EXPORT int q_atomic_test_and_set_acquire_int(volatile int *ptr,                                                        int expected,                                                        int newval);    Q_CORE_EXPORT int q_atomic_test_and_set_release_int(volatile int *ptr,                                                        int expected,                                                        int newval);    Q_CORE_EXPORT int q_atomic_test_and_set_ptr(volatile void *ptr, void *expected, void *newval);    Q_CORE_EXPORT int q_atomic_increment(volatile int *ptr);    Q_CORE_EXPORT int q_atomic_decrement(volatile int *ptr);    Q_CORE_EXPORT int q_atomic_set_int(volatile int *ptr, int newval);    Q_CORE_EXPORT void *q_atomic_set_ptr(volatile void *ptr, void *newval);}#elseextern "C" {    Q_CORE_EXPORT int q_atomic_lock_int(volatile int *addr);    Q_CORE_EXPORT int q_atomic_lock_ptr(volatile void *addr);    Q_CORE_EXPORT void q_atomic_unlock(volatile void *addr, int value);    Q_CORE_EXPORT int q_atomic_set_int(volatile int *ptr, int newval);    Q_CORE_EXPORT void *q_atomic_set_ptr(volatile void *ptr, void *newval);} // extern "C"inline int q_atomic_test_and_set_int(volatile int *ptr, int expected, int newval){    int val = q_atomic_lock_int(ptr);    if (val == expected) {        q_atomic_unlock(ptr, newval);        return 1;    }    q_atomic_unlock(ptr, val);    return 0;}inline int q_atomic_test_and_set_acquire_int(volatile int *ptr, int expected, int newval){    return q_atomic_test_and_set_int(ptr, expected, newval);}inline int q_atomic_test_and_set_release_int(volatile int *ptr, int expected, int newval){    return q_atomic_test_and_set_int(ptr, expected, newval);}inline int q_atomic_test_and_set_ptr(volatile void *ptr, void *expected, void *newval){    void *val = reinterpret_cast<void *>(q_atomic_lock_ptr(ptr));    if (val == expected) {        q_atomic_unlock(ptr, reinterpret_cast<int>(newval));        return 1;    }    q_atomic_unlock(ptr, reinterpret_cast<int>(val));    return 0;}inline int q_atomic_increment(volatile int *ptr){    const int val = q_atomic_lock_int(ptr);    q_atomic_unlock(ptr, val + 1);    return val != -1;}inline int q_atomic_decrement(volatile int *ptr){    const int val = q_atomic_lock_int(ptr);    q_atomic_unlock(ptr, val - 1);    return val != 1;}#endif // !_LP64QT_END_HEADER#endif // SPARC_QATOMIC_H