File: mutex.h

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-19
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 1,999,616 kB
  • sloc: cpp: 6,951,724; ansic: 1,486,157; asm: 913,598; python: 232,059; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,079; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,430; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (42 lines) | stat: -rw-r--r-- 1,238 bytes parent folder | download | duplicates (28)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
//===-- mutex.h -------------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef GWP_ASAN_MUTEX_H_
#define GWP_ASAN_MUTEX_H_

#include "gwp_asan/platform_specific/mutex_fuchsia.h" // IWYU pragma: keep
#include "gwp_asan/platform_specific/mutex_posix.h"   // IWYU pragma: keep

namespace gwp_asan {
class Mutex final : PlatformMutex {
public:
  constexpr Mutex() = default;
  ~Mutex() = default;
  Mutex(const Mutex &) = delete;
  Mutex &operator=(const Mutex &) = delete;
  // Lock the mutex.
  void lock();
  // Nonblocking trylock of the mutex. Returns true if the lock was acquired.
  bool tryLock();
  // Unlock the mutex.
  void unlock();
};

class ScopedLock {
public:
  explicit ScopedLock(Mutex &Mx) : Mu(Mx) { Mu.lock(); }
  ~ScopedLock() { Mu.unlock(); }
  ScopedLock(const ScopedLock &) = delete;
  ScopedLock &operator=(const ScopedLock &) = delete;

private:
  Mutex Μ
};
} // namespace gwp_asan

#endif // GWP_ASAN_MUTEX_H_