| // 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: |
| // Updates the priority for tasks posted through this TaskRunner to |
| // |priority|. |
| virtual void UpdatePriority(TaskPriority priority) = 0; |
| |
| protected: |
| UpdateableSequencedTaskRunner() = default; |
| ~UpdateableSequencedTaskRunner() override = default; |
| |
| DISALLOW_COPY_AND_ASSIGN(UpdateableSequencedTaskRunner); |
| }; |
| |
| } // namespace base |
| |
| #endif // BASE_UPDATEABLE_SEQUENCED_TASK_RUNNER_H_ |