1//===-- mutex.h -------------------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef GWP_ASAN_MUTEX_H_
10#define GWP_ASAN_MUTEX_H_
11
12#include "gwp_asan/platform_specific/mutex_fuchsia.h" // IWYU pragma: keep
13#include "gwp_asan/platform_specific/mutex_posix.h" // IWYU pragma: keep
14
15namespace gwp_asan {
16class Mutex final : PlatformMutex {
17public:
18 constexpr Mutex() = default;
19 ~Mutex() = default;
20 Mutex(const Mutex &) = delete;
21 Mutex &operator=(const Mutex &) = delete;
22 // Lock the mutex.
23 void lock();
24 // Nonblocking trylock of the mutex. Returns true if the lock was acquired.
25 bool tryLock();
26 // Unlock the mutex.
27 void unlock();
28};
29
30class ScopedLock {
31public:
32 explicit ScopedLock(Mutex &Mx) : Mu(Mx) { Mu.lock(); }
33 ~ScopedLock() { Mu.unlock(); }
34 ScopedLock(const ScopedLock &) = delete;
35 ScopedLock &operator=(const ScopedLock &) = delete;
36
37private:
38 Mutex Μ
39};
40} // namespace gwp_asan
41
42#endif // GWP_ASAN_MUTEX_H_
43