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// Copyright 2018 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_UPDATEABLE_SEQUENCED_TASK_RUNNER_H_
#define BASE_UPDATEABLE_SEQUENCED_TASK_RUNNER_H_
#include "base/sequenced_task_runner.h"
#include "base/task/task_traits.h"
namespace base {
// A SequencedTaskRunner whose posted tasks' priorities can be updated.
class BASE_EXPORT UpdateableSequencedTaskRunner : public SequencedTaskRunner {
public:
UpdateableSequencedTaskRunner(const UpdateableSequencedTaskRunner&) = delete;
UpdateableSequencedTaskRunner& operator=(
const UpdateableSequencedTaskRunner&) = delete;
// Updates the priority for tasks posted through this TaskRunner to
// |priority|.
virtual void UpdatePriority(TaskPriority priority) = 0;
protected:
UpdateableSequencedTaskRunner() = default;
~UpdateableSequencedTaskRunner() override = default;
};
} // namespace base
#endif // BASE_UPDATEABLE_SEQUENCED_TASK_RUNNER_H_
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