43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
//===-- mutex.h -------------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef GWP_ASAN_MUTEX_H_
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#define GWP_ASAN_MUTEX_H_
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#include "gwp_asan/platform_specific/mutex_fuchsia.h" // IWYU pragma: keep
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#include "gwp_asan/platform_specific/mutex_posix.h" // IWYU pragma: keep
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namespace gwp_asan {
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class Mutex final : PlatformMutex {
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public:
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constexpr Mutex() = default;
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~Mutex() = default;
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Mutex(const Mutex &) = delete;
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Mutex &operator=(const Mutex &) = delete;
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// Lock the mutex.
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void lock();
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// Nonblocking trylock of the mutex. Returns true if the lock was acquired.
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bool tryLock();
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// Unlock the mutex.
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void unlock();
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};
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class ScopedLock {
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public:
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explicit ScopedLock(Mutex &Mx) : Mu(Mx) { Mu.lock(); }
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~ScopedLock() { Mu.unlock(); }
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ScopedLock(const ScopedLock &) = delete;
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ScopedLock &operator=(const ScopedLock &) = delete;
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private:
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Mutex Μ
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};
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} // namespace gwp_asan
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#endif // GWP_ASAN_MUTEX_H_
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