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++ // Copyright (C) 2017 Intel Corporation.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++ #ifndef QFUTEX_P_H
++ #define QFUTEX_P_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists purely as an
++ // implementation detail. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <qdeadlinetimer.h>
++ #include <private/qglobal_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace QtDummyFutex {
++ constexpr inline bool futexAvailable() { return false; }
++ template <typename Atomic>
++ inline bool futexWait(Atomic &, typename Atomic::Type, QDeadlineTimer = {})
++ { Q_UNREACHABLE_RETURN(false); }
++ template <typename Atomic> inline void futexWakeOne(Atomic &)
++ { Q_UNREACHABLE(); }
++ template <typename Atomic> inline void futexWakeAll(Atomic &)
++ { Q_UNREACHABLE(); }
++ }
++
++ QT_END_NAMESPACE
++
++ #if defined(Q_OS_DARWIN)
++ # include "qfutex_mac_p.h"
++ #elif defined(Q_OS_FREEBSD)
++ # include "qfutex_freebsd_p.h"
++ #elif defined(Q_OS_LINUX) && !defined(QT_LINUXBASE)
++ // use Linux mutexes everywhere except for LSB builds
++ # include "qfutex_linux_p.h"
++ #elif defined(Q_OS_WIN)
++ # include "qfutex_win_p.h"
++ #else
++ QT_BEGIN_NAMESPACE
++ namespace QtFutex = QtDummyFutex;
++ QT_END_NAMESPACE
++ #endif
++
++ #endif // QFUTEX_P_H