naiveproxy/base/task_scheduler/scheduler_lock_impl.h

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2018-08-11 08:35:24 +03:00
// Copyright 2016 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 BASE_TASK_SCHEDULER_SCHEDULER_LOCK_IMPL_H
#define BASE_TASK_SCHEDULER_SCHEDULER_LOCK_IMPL_H
#include <memory>
#include "base/base_export.h"
#include "base/macros.h"
#include "base/synchronization/lock.h"
namespace base {
class ConditionVariable;
namespace internal {
// A regular lock with simple deadlock correctness checking.
// This lock tracks all of the available locks to make sure that any locks are
// acquired in an expected order.
// See scheduler_lock.h for details.
class BASE_EXPORT SchedulerLockImpl {
public:
SchedulerLockImpl();
explicit SchedulerLockImpl(const SchedulerLockImpl* predecessor);
~SchedulerLockImpl();
void Acquire();
void Release();
void AssertAcquired() const;
std::unique_ptr<ConditionVariable> CreateConditionVariable();
private:
Lock lock_;
DISALLOW_COPY_AND_ASSIGN(SchedulerLockImpl);
};
} // namespace internal
} // namespace base
#endif // BASE_TASK_SCHEDULER_SCHEDULER_LOCK_IMPL_H