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https://github.com/NohamR/RMHook-Win.git
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80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
// Copyright (C) 2017 Intel Corporation.
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// Copyright (C) 2022 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
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// 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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#ifndef QTSAN_IMPL_H
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#define QTSAN_IMPL_H
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#include <QtCore/qglobal.h>
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#if (__has_feature(thread_sanitizer) || defined(__SANITIZE_THREAD__)) && __has_include(<sanitizer/tsan_interface.h>)
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# define QT_BUILDING_UNDER_TSAN
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# include <sanitizer/tsan_interface.h>
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#endif
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QT_BEGIN_NAMESPACE
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namespace QtTsan {
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#ifdef QT_BUILDING_UNDER_TSAN
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inline void futexAcquire(void *addr, void *addr2 = nullptr)
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{
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// A futex call ensures total ordering on the futex words
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// (in either success or failure of the call). Instruct TSAN accordingly,
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// as TSAN does not understand the futex(2) syscall (or equivalent).
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::__tsan_acquire(addr);
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if (addr2)
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::__tsan_acquire(addr2);
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}
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inline void futexRelease(void *addr, void *addr2 = nullptr)
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{
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if (addr2)
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::__tsan_release(addr2);
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::__tsan_release(addr);
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}
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inline void mutexPreLock(void *addr, unsigned flags)
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{
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::__tsan_mutex_pre_lock(addr, flags);
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}
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inline void mutexPostLock(void *addr, unsigned flags, int recursion)
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{
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::__tsan_mutex_post_lock(addr, flags, recursion);
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}
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inline void mutexPreUnlock(void *addr, unsigned flags)
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{
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::__tsan_mutex_pre_unlock(addr, flags);
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}
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inline void mutexPostUnlock(void *addr, unsigned flags)
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{
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::__tsan_mutex_post_unlock(addr, flags);
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}
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enum : unsigned {
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MutexWriteReentrant = ::__tsan_mutex_write_reentrant,
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TryLock = ::__tsan_mutex_try_lock,
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TryLockFailed = ::__tsan_mutex_try_lock_failed,
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};
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#else
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inline void futexAcquire(void *, void * = nullptr) {}
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inline void futexRelease(void *, void * = nullptr) {}
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enum : unsigned {
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MutexWriteReentrant,
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TryLock,
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TryLockFailed,
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};
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inline void mutexPreLock(void *, unsigned) {}
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inline void mutexPostLock(void *, unsigned, int) {}
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inline void mutexPreUnlock(void *, unsigned) {}
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inline void mutexPostUnlock(void *, unsigned) {}
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#endif // QT_BUILDING_UNDER_TSAN
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} // namespace QtTsan
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QT_END_NAMESPACE
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#endif // QTSAN_IMPL_H
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