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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_RENDERER_SCHEDULER_RENDERER_TASK_QUEUE_SELECTOR_H | 5 #ifndef CONTENT_RENDERER_SCHEDULER_RENDERER_TASK_QUEUE_SELECTOR_H |
6 #define CONTENT_RENDERER_SCHEDULER_RENDERER_TASK_QUEUE_SELECTOR_H | 6 #define CONTENT_RENDERER_SCHEDULER_RENDERER_TASK_QUEUE_SELECTOR_H |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 | 9 |
10 #include "base/compiler_specific.h" | 10 #include "base/compiler_specific.h" |
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48 // queues are enabled with normal priority. | 48 // queues are enabled with normal priority. |
49 void EnableQueue(size_t queue_index, QueuePriority priority); | 49 void EnableQueue(size_t queue_index, QueuePriority priority); |
50 | 50 |
51 // Disable the |queue_index|. | 51 // Disable the |queue_index|. |
52 void DisableQueue(size_t queue_index); | 52 void DisableQueue(size_t queue_index); |
53 | 53 |
54 // TaskQueueSelector implementation: | 54 // TaskQueueSelector implementation: |
55 void RegisterWorkQueues( | 55 void RegisterWorkQueues( |
56 const std::vector<const base::TaskQueue*>& work_queues) override; | 56 const std::vector<const base::TaskQueue*>& work_queues) override; |
57 bool SelectWorkQueueToService(size_t* out_queue_index) override; | 57 bool SelectWorkQueueToService(size_t* out_queue_index) override; |
58 void AsValueInto(base::debug::TracedValue* state) const override; | 58 void AsValueInto(base::trace_event::TracedValue* state) const override; |
59 | 59 |
60 private: | 60 private: |
61 // Returns true if queueA contains an older task than queueB. | 61 // Returns true if queueA contains an older task than queueB. |
62 static bool IsOlder(const base::TaskQueue* queueA, | 62 static bool IsOlder(const base::TaskQueue* queueA, |
63 const base::TaskQueue* queueB); | 63 const base::TaskQueue* queueB); |
64 | 64 |
65 // Returns the priority which is next after |priority|. | 65 // Returns the priority which is next after |priority|. |
66 static QueuePriority NextPriority(QueuePriority priority); | 66 static QueuePriority NextPriority(QueuePriority priority); |
67 | 67 |
68 static const char* PriorityToString(QueuePriority priority); | 68 static const char* PriorityToString(QueuePriority priority); |
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89 base::ThreadChecker main_thread_checker_; | 89 base::ThreadChecker main_thread_checker_; |
90 std::vector<const base::TaskQueue*> work_queues_; | 90 std::vector<const base::TaskQueue*> work_queues_; |
91 std::set<size_t> queue_priorities_[QUEUE_PRIORITY_COUNT]; | 91 std::set<size_t> queue_priorities_[QUEUE_PRIORITY_COUNT]; |
92 size_t starvation_count_; | 92 size_t starvation_count_; |
93 DISALLOW_COPY_AND_ASSIGN(RendererTaskQueueSelector); | 93 DISALLOW_COPY_AND_ASSIGN(RendererTaskQueueSelector); |
94 }; | 94 }; |
95 | 95 |
96 } // namespace content | 96 } // namespace content |
97 | 97 |
98 #endif // CONTENT_RENDERER_SCHEDULER_RENDERER_TASK_QUEUE_SELECTOR_H | 98 #endif // CONTENT_RENDERER_SCHEDULER_RENDERER_TASK_QUEUE_SELECTOR_H |
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