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Diffstat (limited to 'src/corelib/io/forkfd_qt.cpp')
-rw-r--r-- | src/corelib/io/forkfd_qt.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/corelib/io/forkfd_qt.cpp b/src/corelib/io/forkfd_qt.cpp new file mode 100644 index 0000000000..6704ec6f2a --- /dev/null +++ b/src/corelib/io/forkfd_qt.cpp @@ -0,0 +1,81 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Intel Corporation +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// these might be defined via precompiled headers +#ifndef _POSIX_C_SOURCE +# define _POSIX_C_SOURCE 200809L +#endif +#if !defined(_XOPEN_SOURCE) && !defined(__QNXNTO__) && !defined(ANDROID) +# define _XOPEN_SOURCE 700 +#endif + +#include <QtCore/qatomic.h> +#include "qprocess_p.h" + +#ifdef QPROCESS_USE_SPAWN +# define FORKFD_NO_FORKFD +#else +# define FORKFD_NO_SPAWNFD +#endif + +#if defined(QT_NO_DEBUG) && !defined(NDEBUG) +# define NDEBUG +#endif + +typedef QT_PREPEND_NAMESPACE(QBasicAtomicInt) ffd_atomic_int; +#define ffd_atomic_pointer(type) QT_PREPEND_NAMESPACE(QBasicAtomicPointer<type>) + +QT_BEGIN_NAMESPACE + +#define FFD_ATOMIC_INIT(val) Q_BASIC_ATOMIC_INITIALIZER(val) + +#define FFD_ATOMIC_RELAXED Relaxed +#define FFD_ATOMIC_ACQUIRE Acquire +#define FFD_ATOMIC_RELEASE Release +#define loadRelaxed load +#define storeRelaxed store + +#define FFD_CONCAT(x, y) x ## y + +#define ffd_atomic_load(ptr,order) (ptr)->FFD_CONCAT(load, order)() +#define ffd_atomic_store(ptr,val,order) (ptr)->FFD_CONCAT(store, order)(val) +#define ffd_atomic_exchange(ptr,val,order) (ptr)->FFD_CONCAT(fetchAndStore, order)(val) +#define ffd_atomic_compare_exchange(ptr,expected,desired,order1,order2) \ + (ptr)->FFD_CONCAT(testAndSet, order1)(*expected, desired, *expected) +#define ffd_atomic_add_fetch(ptr,val,order) ((ptr)->FFD_CONCAT(fetchAndAdd, order)(val) + val) + +QT_END_NAMESPACE + +extern "C" { +#include "../../3rdparty/forkfd/forkfd.c" +} |