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Current Path: /usr/src/contrib/llvm-project/compiler-rt/lib/gwp_asan

usr / src / contrib / llvm-project / compiler-rt / lib / gwp_asan /

📁 ..
📄 common.cpp(3.33 KB)
📄 common.h(4.45 KB)
📄 crash_handler.cpp(4.32 KB)
📄 crash_handler.h(6.2 KB)
📄 definitions.h(776 B)
📄 guarded_pool_allocator.cpp(9.62 KB)
📄 guarded_pool_allocator.h(9.41 KB)
📄 mutex.h(1.24 KB)
📁 optional
📄 options.h(2.36 KB)
📄 options.inc(2.73 KB)
📁 platform_specific
📄 random.cpp(1022 B)
📄 random.h(746 B)
📄 stack_trace_compressor.cpp(3.17 KB)
📄 stack_trace_compressor.h(1.52 KB)
📄 utilities.h(978 B)

Editing: mutex.h

//===-- 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_

#ifdef __unix__
#include <pthread.h>
#else
#error "GWP-ASan is not supported on this platform."
#endif

namespace gwp_asan {
class Mutex {
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();

private:
#ifdef __unix__
  pthread_mutex_t Mu = PTHREAD_MUTEX_INITIALIZER;
#endif // defined(__unix__)
};

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 &Mu;
};
} // namespace gwp_asan

#endif // GWP_ASAN_MUTEX_H_

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Editing: mutex.h

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