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Side by Side Diff: third_party/WebKit/Source/platform/scheduler/child/scheduler_helper.h

Issue 2276353002: Remove after wakeup logic and replace PumpTask with Fences (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Slight simplification Created 4 years, 3 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 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 THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_SCHEDULER_HELPER_H_ 5 #ifndef THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_SCHEDULER_HELPER_H_
6 #define THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_SCHEDULER_HELPER_H_ 6 #define THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_SCHEDULER_HELPER_H_
7 7
8 #include <stddef.h> 8 #include <stddef.h>
9 9
10 #include "base/macros.h" 10 #include "base/macros.h"
(...skipping 29 matching lines...) Expand all
40 const base::PendingTask& task) override; 40 const base::PendingTask& task) override;
41 41
42 // Returns the default task runner. 42 // Returns the default task runner.
43 scoped_refptr<TaskQueue> DefaultTaskRunner(); 43 scoped_refptr<TaskQueue> DefaultTaskRunner();
44 44
45 // Returns the control task runner. Tasks posted to this runner are executed 45 // Returns the control task runner. Tasks posted to this runner are executed
46 // with the highest priority. Care must be taken to avoid starvation of other 46 // with the highest priority. Care must be taken to avoid starvation of other
47 // task queues. 47 // task queues.
48 scoped_refptr<TaskQueue> ControlTaskRunner(); 48 scoped_refptr<TaskQueue> ControlTaskRunner();
49 49
50 // Returns the control task after wakeup runner. Tasks posted to this runner
51 // are executed with the highest priority but do not cause the scheduler to
52 // wake up. Care must be taken to avoid starvation of other task queues.
53 scoped_refptr<TaskQueue> ControlAfterWakeUpTaskRunner();
54
55 // Adds or removes a task observer from the scheduler. The observer will be 50 // Adds or removes a task observer from the scheduler. The observer will be
56 // notified before and after every executed task. These functions can only be 51 // notified before and after every executed task. These functions can only be
57 // called on the thread this class was created on. 52 // called on the thread this class was created on.
58 void AddTaskObserver(base::MessageLoop::TaskObserver* task_observer); 53 void AddTaskObserver(base::MessageLoop::TaskObserver* task_observer);
59 void RemoveTaskObserver(base::MessageLoop::TaskObserver* task_observer); 54 void RemoveTaskObserver(base::MessageLoop::TaskObserver* task_observer);
60 55
61 void AddTaskTimeObserver(TaskTimeObserver* task_time_observer); 56 void AddTaskTimeObserver(TaskTimeObserver* task_time_observer);
62 void RemoveTaskTimeObserver(TaskTimeObserver* task_time_observer); 57 void RemoveTaskTimeObserver(TaskTimeObserver* task_time_observer);
63 58
64 // Shuts down the scheduler by dropping any remaining pending work in the work 59 // Shuts down the scheduler by dropping any remaining pending work in the work
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after
107 void SetWorkBatchSizeForTesting(size_t work_batch_size); 102 void SetWorkBatchSizeForTesting(size_t work_batch_size);
108 TaskQueueManager* GetTaskQueueManagerForTesting(); 103 TaskQueueManager* GetTaskQueueManagerForTesting();
109 104
110 private: 105 private:
111 friend class SchedulerHelperTest; 106 friend class SchedulerHelperTest;
112 107
113 base::ThreadChecker thread_checker_; 108 base::ThreadChecker thread_checker_;
114 scoped_refptr<SchedulerTqmDelegate> task_queue_manager_delegate_; 109 scoped_refptr<SchedulerTqmDelegate> task_queue_manager_delegate_;
115 std::unique_ptr<TaskQueueManager> task_queue_manager_; 110 std::unique_ptr<TaskQueueManager> task_queue_manager_;
116 scoped_refptr<TaskQueue> control_task_runner_; 111 scoped_refptr<TaskQueue> control_task_runner_;
117 scoped_refptr<TaskQueue> control_after_wakeup_task_runner_;
118 scoped_refptr<TaskQueue> default_task_runner_; 112 scoped_refptr<TaskQueue> default_task_runner_;
119 113
120 Observer* observer_; // NOT OWNED 114 Observer* observer_; // NOT OWNED
121 const char* tracing_category_; 115 const char* tracing_category_;
122 const char* disabled_by_default_tracing_category_; 116 const char* disabled_by_default_tracing_category_;
123 117
124 DISALLOW_COPY_AND_ASSIGN(SchedulerHelper); 118 DISALLOW_COPY_AND_ASSIGN(SchedulerHelper);
125 }; 119 };
126 120
127 } // namespace scheduler 121 } // namespace scheduler
128 } // namespace blink 122 } // namespace blink
129 123
130 #endif // THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_SCHEDULER_HELPER_H _ 124 #endif // THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_SCHEDULER_HELPER_H _
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