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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef RLZ_CHROMEOS_LIB_RECURSIVE_LOCK_H_
#define RLZ_CHROMEOS_LIB_RECURSIVE_LOCK_H_
#include "base/atomicops.h"
#include "base/basictypes.h"
#include "base/synchronization/lock.h"
namespace rlz_lib {
class RecursiveLock {
public:
RecursiveLock();
~RecursiveLock();
void Acquire();
void Release();
private:
// Underlying non-recursive lock.
base::Lock lock_;
// Owner thread ID.
base::subtle::Atomic32 owner_;
// Recursion lock depth.
int recursion_;
};
} // namespace rlz_lib
#endif // RLZ_CHROMEOS_LIB_RECURSIVE_LOCK_H_