// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_TASK_SCHEDULER_SCHEDULER_LOCK_IMPL_H
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#define BASE_TASK_SCHEDULER_SCHEDULER_LOCK_IMPL_H
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#include <memory>
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#include "base/base_export.h"
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#include "base/macros.h"
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#include "base/synchronization/lock.h"
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namespace base {
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class ConditionVariable;
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namespace internal {
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// A regular lock with simple deadlock correctness checking.
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// This lock tracks all of the available locks to make sure that any locks are
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// acquired in an expected order.
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// See scheduler_lock.h for details.
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class BASE_EXPORT SchedulerLockImpl {
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public:
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SchedulerLockImpl();
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explicit SchedulerLockImpl(const SchedulerLockImpl* predecessor);
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~SchedulerLockImpl();
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void Acquire();
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void Release();
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void AssertAcquired() const;
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std::unique_ptr<ConditionVariable> CreateConditionVariable();
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private:
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Lock lock_;
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DISALLOW_COPY_AND_ASSIGN(SchedulerLockImpl);
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};
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} // namespace internal
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} // namespace base
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#endif // BASE_TASK_SCHEDULER_SCHEDULER_LOCK_IMPL_H
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