Revision control
++ // Copyright (C) 2023 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_WIN_P_H
++ #define QFUTEX_WIN_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 <private/qglobal_p.h>
++ #include <qdeadlinetimer.h>
++ #include <qtsan_impl.h>
++
++ #include <qt_windows.h>
++
++ #define QT_ALWAYS_USE_FUTEX
++
++ QT_BEGIN_NAMESPACE
++
++ namespace QtWindowsFutex {
++ constexpr inline bool futexAvailable() { return true; }
++
++ template <typename Atomic>
++ inline void futexWait(Atomic &futex, typename Atomic::Type expectedValue)
++ {
++ QtTsan::futexRelease(&futex);
++ WaitOnAddress(&futex, &expectedValue, sizeof(expectedValue), INFINITE);
++ QtTsan::futexAcquire(&futex);
++ }
++ template <typename Atomic>
++ inline bool futexWait(Atomic &futex, typename Atomic::Type expectedValue, QDeadlineTimer deadline)
++ {
++ using namespace std::chrono;
++ BOOL r = WaitOnAddress(&futex, &expectedValue, sizeof(expectedValue), DWORD(deadline.remainingTime()));
++ return r || GetLastError() != ERROR_TIMEOUT;
++ }
++ template <typename Atomic> inline void futexWakeAll(Atomic &futex)
++ {
++ WakeByAddressAll(&futex);
++ }
++ template <typename Atomic> inline void futexWakeOne(Atomic &futex)
++ {
++ WakeByAddressSingle(&futex);
++ }
++ } // namespace QtWindowsFutex
++ namespace QtFutex = QtWindowsFutex;
++
++ QT_END_NAMESPACE
++
++ #endif // QFUTEX_WIN_P_H