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Diffstat (limited to 'src/corelib/arch/qatomic_unix.h')
-rw-r--r-- | src/corelib/arch/qatomic_unix.h | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/src/corelib/arch/qatomic_unix.h b/src/corelib/arch/qatomic_unix.h deleted file mode 100644 index 59beaaf365..0000000000 --- a/src/corelib/arch/qatomic_unix.h +++ /dev/null @@ -1,144 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL21$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. -** -** 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 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QATOMIC_UNIX_H -#define QATOMIC_UNIX_H - -#include <QtCore/qgenericatomic.h> - -QT_BEGIN_NAMESPACE - -#if 0 -// silence syncqt warnings -QT_END_NAMESPACE -#pragma qt_sync_skip_header_check -#pragma qt_sync_stop_processing -#endif - -#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE -#define Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE -#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE -#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE - -#define Q_ATOMIC_INT32_IS_SUPPORTED -#define Q_ATOMIC_INT32_REFERENCE_COUNTING_IS_NOT_NATIVE -#define Q_ATOMIC_INT32_TEST_AND_SET_IS_NOT_NATIVE -#define Q_ATOMIC_INT32_FETCH_AND_STORE_IS_NOT_NATIVE -#define Q_ATOMIC_INT32_FETCH_AND_ADD_IS_NOT_NATIVE - -#define Q_ATOMIC_INT64_IS_SUPPORTED -#define Q_ATOMIC_INT64_REFERENCE_COUNTING_IS_NOT_NATIVE -#define Q_ATOMIC_INT64_TEST_AND_SET_IS_NOT_NATIVE -#define Q_ATOMIC_INT64_FETCH_AND_STORE_IS_NOT_NATIVE -#define Q_ATOMIC_INT64_FETCH_AND_ADD_IS_NOT_NATIVE - -#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE -#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE -#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE - -// No definition, needs specialization -template <typename T> struct QAtomicOps; - -// 32-bit version -template <> -struct QAtomicOps<int> : QGenericAtomicOps<QAtomicOps<int> > -{ - typedef int Type; - - static inline Q_DECL_CONSTEXPR bool isTestAndSetNative() Q_DECL_NOTHROW { return false; } - static inline Q_DECL_CONSTEXPR bool isTestAndSetWaitFree() Q_DECL_NOTHROW { return false; } - Q_CORE_EXPORT static bool testAndSetRelaxed(int &_q_value, int expectedValue, int newValue) Q_DECL_NOTHROW; -}; - -// 64-bit version -template <> -struct QAtomicOps<long long> : QGenericAtomicOps<QAtomicOps<long long> > -{ - typedef long long Type; - - static inline Q_DECL_CONSTEXPR bool isTestAndSetNative() Q_DECL_NOTHROW { return false; } - static inline Q_DECL_CONSTEXPR bool isTestAndSetWaitFree() Q_DECL_NOTHROW { return false; } - Q_CORE_EXPORT static bool testAndSetRelaxed(Type &_q_value, Type expectedValue, Type newValue) Q_DECL_NOTHROW; -}; - -// pointer version -template <> -struct QAtomicOps<void *> : QGenericAtomicOps<QAtomicOps<void *> > -{ - typedef void *Type; - - static inline Q_DECL_CONSTEXPR bool isTestAndSetNative() Q_DECL_NOTHROW { return false; } - static inline Q_DECL_CONSTEXPR bool isTestAndSetWaitFree() Q_DECL_NOTHROW { return false; } - Q_CORE_EXPORT static bool testAndSetRelaxed(void *&_q_value, void *expectedValue, void *newValue) Q_DECL_NOTHROW; -}; - -template <typename T> -struct QAtomicOps<T *> : QGenericAtomicOps<QAtomicOps<T *> > -{ - typedef T *Type; - - // helper to strip cv qualifiers - static inline void *nocv(const T *p) { return const_cast<void *>(static_cast<const volatile void *>(p)); } - - static inline Q_DECL_CONSTEXPR bool isTestAndSetNative() Q_DECL_NOTHROW { return false; } - static inline Q_DECL_CONSTEXPR bool isTestAndSetWaitFree() Q_DECL_NOTHROW { return false; } - static inline bool testAndSetRelaxed(T *&_q_value, T *expectedValue, T *newValue) Q_DECL_NOTHROW - { - // forward to the void* specialization - void *voidp = nocv(_q_value); - bool returnValue = QAtomicOps<void *>::testAndSetRelaxed(voidp, nocv(expectedValue), nocv(newValue)); - _q_value = reinterpret_cast<T *>(voidp); - return returnValue; - } -}; - -// 32- and 64-bit unsigned versions -template <> struct QAtomicOps<unsigned> : QAtomicOps<int> -{ - typedef unsigned Type; - Q_CORE_EXPORT static bool testAndSetRelaxed(Type &_q_value, Type expectedValue, Type newValue) Q_DECL_NOTHROW - { - return QAtomicOps<int>::testAndSetRelaxed(reinterpret_cast<int &>(_q_value), int(expectedValue), int(newValue)); - } -}; -template <> struct QAtomicOps<unsigned long long> : QAtomicOps<long long> -{ - typedef unsigned long longType; - Q_CORE_EXPORT static bool testAndSetRelaxed(Type &_q_value, Type expectedValue, Type newValue) Q_DECL_NOTHROW - { - return QAtomicOps<long long>::testAndSetRelaxed(reinterpret_cast<long long &>(_q_value), int(expectedValue), int(newValue)); - } -}; - -QT_END_NAMESPACE -#endif // QATOMIC_UNIX_H |