| 1 | // Copyright (C) 2025 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QAUDIO_RTSAN_SUPPORT_P_H |
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| 5 | #define QAUDIO_RTSAN_SUPPORT_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtCore/qtconfigmacros.h> |
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| 19 | #include <QtCore/qtclasshelpermacros.h> |
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| 20 | |
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| 21 | #if defined(__has_feature) && __has_feature(realtime_sanitizer) |
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| 22 | # include <sanitizer/rtsan_interface.h> |
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| 23 | #endif |
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| 24 | |
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| 25 | // rtsan |
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| 26 | #if defined(__has_cpp_attribute) && __has_cpp_attribute(clang::nonblocking) |
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| 27 | # define QT_MM_NONBLOCKING [[clang::nonblocking]] |
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| 28 | #else |
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| 29 | # define QT_MM_NONBLOCKING |
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| 30 | #endif |
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| 31 | |
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| 32 | QT_BEGIN_NAMESPACE |
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| 33 | |
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| 34 | namespace QtPrivate { |
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| 35 | |
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| 36 | #if defined(__has_feature) && __has_feature(realtime_sanitizer) |
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| 37 | using ScopedRTSanDisabler = __rtsan::ScopedDisabler; |
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| 38 | #else |
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| 39 | struct ScopedRTSanDisabler |
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| 40 | { |
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| 41 | ScopedRTSanDisabler() |
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| 42 | { |
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| 43 | // silence unused/unreferenced local variable warning |
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| 44 | // NB: declaring the struct as [[maybe_unused]] does not work for cl.exe |
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| 45 | (void)this; |
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| 46 | } |
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| 47 | ~ScopedRTSanDisabler() = default; |
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| 48 | Q_DISABLE_COPY_MOVE(ScopedRTSanDisabler) |
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| 49 | }; |
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| 50 | #endif |
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| 51 | |
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| 52 | template <typename Functor> |
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| 53 | auto withRTSanDisabled(const Functor &f) |
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| 54 | { |
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| 55 | #if defined(__has_feature) && __has_feature(realtime_sanitizer) |
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| 56 | __rtsan::ScopedDisabler disabler; |
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| 57 | #endif |
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| 58 | return f(); |
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| 59 | } |
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| 60 | |
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| 61 | } // namespace QtPrivate |
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| 62 | |
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| 63 | QT_END_NAMESPACE |
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| 64 | |
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| 65 | #endif // QAUDIO_RTSAN_SUPPORT_P_H |
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| 66 | |
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