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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "base/task_scheduler/utils.h" |
| 6 |
| 7 #include "base/bind.h" |
| 8 #include "base/task_scheduler/priority_queue.h" |
| 9 #include "base/task_scheduler/task_tracker.h" |
| 10 |
| 11 namespace base { |
| 12 namespace internal { |
| 13 |
| 14 namespace { |
| 15 |
| 16 void PostTaskCallback(scoped_refptr<Sequence> sequence, |
| 17 PriorityQueue* priority_queue, |
| 18 scoped_ptr<Task> task) { |
| 19 if (sequence->PushTask(std::move(task))) { |
| 20 // |sequence| was empty before |task| was inserted into it. That means that |
| 21 // |sequence| must be inserted in |priority_queue|. |
| 22 SequenceSortKey sequence_sort_key = sequence->GetSortKey(); |
| 23 priority_queue->BeginTransaction()->Push(make_scoped_ptr( |
| 24 new PriorityQueue::SequenceAndSortKey(sequence, sequence_sort_key))); |
| 25 } |
| 26 } |
| 27 |
| 28 } // namespace |
| 29 |
| 30 void PostTaskHelper(scoped_ptr<Task> task, |
| 31 scoped_refptr<Sequence> sequence, |
| 32 PriorityQueue* priority_queue, |
| 33 TaskTracker* task_tracker) { |
| 34 DCHECK(task.get()); |
| 35 DCHECK(sequence.get()); |
| 36 DCHECK(priority_queue); |
| 37 DCHECK(task_tracker); |
| 38 |
| 39 task_tracker->PostTask(Bind(&PostTaskCallback, sequence, priority_queue), |
| 40 std::move(task)); |
| 41 } |
| 42 |
| 43 } // namespace internal |
| 44 } // namespace base |
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