diff options
Diffstat (limited to 'src/corelib/thread/qbasicatomic.h')
-rw-r--r-- | src/corelib/thread/qbasicatomic.h | 67 |
1 files changed, 25 insertions, 42 deletions
diff --git a/src/corelib/thread/qbasicatomic.h b/src/corelib/thread/qbasicatomic.h index 7960174277..447fca44c0 100644 --- a/src/corelib/thread/qbasicatomic.h +++ b/src/corelib/thread/qbasicatomic.h @@ -1,31 +1,38 @@ /**************************************************************************** ** ** Copyright (C) 2011 Thiago Macieira <thiago@kde.org> -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 Intel Corporation. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** 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. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://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. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.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. +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -40,42 +47,18 @@ # include <QtCore/qatomic_bootstrap.h> // If C++11 atomics are supported, use them! -#elif defined(Q_COMPILER_ATOMICS) && defined(Q_COMPILER_CONSTEXPR) && !defined(QT_ATOMIC_FORCE_NO_CXX11) +// Note that constexpr support is sometimes disabled in QNX builds but its +// library has <atomic>. +#elif defined(Q_COMPILER_ATOMICS) && (defined(Q_COMPILER_CONSTEXPR) || defined(Q_OS_QNX)) # include <QtCore/qatomic_cxx11.h> -// The following is used for testing only. -// Note that we don't check the compiler support -- you had better -// know what you're doing if you set it -#elif defined(QT_ATOMIC_FORCE_GCC) -# include <QtCore/qatomic_gcc.h> - -// Compiler dependent implementation +// We only support one fallback: MSVC, because even on version 2015, it lacks full constexpr support #elif defined(Q_CC_MSVC) # include <QtCore/qatomic_msvc.h> -// Processor dependent implementation -#elif defined(Q_PROCESSOR_ARM_V7) && defined(Q_PROCESSOR_ARM_32) -# include "QtCore/qatomic_armv7.h" -#elif defined(Q_PROCESSOR_ARM_V6) && defined(Q_PROCESSOR_ARM_32) -# include "QtCore/qatomic_armv6.h" -#elif defined(Q_PROCESSOR_ARM_V5) && defined(Q_PROCESSOR_ARM_32) -# include "QtCore/qatomic_armv5.h" -#elif defined(Q_PROCESSOR_IA64) -# include "QtCore/qatomic_ia64.h" -#elif defined(Q_PROCESSOR_X86) -# include <QtCore/qatomic_x86.h> - -// Fallback compiler dependent implementation -#elif defined(Q_CC_GNU) -# include <QtCore/qatomic_gcc.h> - -// Fallback operating system dependent implementation -#elif defined(Q_OS_UNIX) -# include <QtCore/qatomic_unix.h> - // No fallback #else -# error "Qt has not been ported to this platform" +# error "Qt requires C++11 support" #endif QT_BEGIN_NAMESPACE |