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Side by Side Diff: base/task_scheduler/task_scheduler.h

Issue 2835603005: Remove name and priority hint from SchedulerWorkerPoolParams. (Closed)
Patch Set: Created 3 years, 8 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 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 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 BASE_TASK_SCHEDULER_TASK_SCHEDULER_H_ 5 #ifndef BASE_TASK_SCHEDULER_TASK_SCHEDULER_H_
6 #define BASE_TASK_SCHEDULER_TASK_SCHEDULER_H_ 6 #define BASE_TASK_SCHEDULER_TASK_SCHEDULER_H_
7 7
8 #include <memory> 8 #include <memory>
9 #include <vector> 9 #include <vector>
10 10
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138 // this. CHECKs on failure. For tests, prefer base::test::ScopedTaskScheduler 138 // this. CHECKs on failure. For tests, prefer base::test::ScopedTaskScheduler
139 // (ensures isolation). 139 // (ensures isolation).
140 static void CreateAndSetSimpleTaskScheduler(StringPiece name); 140 static void CreateAndSetSimpleTaskScheduler(StringPiece name);
141 #endif // !defined(OS_NACL) 141 #endif // !defined(OS_NACL)
142 142
143 // Creates and sets a task scheduler using custom params. |name| is used to 143 // Creates and sets a task scheduler using custom params. |name| is used to
144 // label threads and histograms. It should identify the component that creates 144 // label threads and histograms. It should identify the component that creates
145 // the TaskScheduler. |init_params| is used to initialize the worker pools. 145 // the TaskScheduler. |init_params| is used to initialize the worker pools.
146 // CHECKs on failure. For tests, prefer base::test::ScopedTaskScheduler 146 // CHECKs on failure. For tests, prefer base::test::ScopedTaskScheduler
147 // (ensures isolation). 147 // (ensures isolation).
148 //
149 // Note: The names and priority hints in |init_params| are ignored (ref. TODO
150 // to remove them).
151 static void CreateAndSetDefaultTaskScheduler(StringPiece name, 148 static void CreateAndSetDefaultTaskScheduler(StringPiece name,
152 const InitParams& init_params); 149 const InitParams& init_params);
153 150
154 // Registers |task_scheduler| to handle tasks posted through the post_task.h 151 // Registers |task_scheduler| to handle tasks posted through the post_task.h
155 // API for this process. For tests, prefer base::test::ScopedTaskScheduler 152 // API for this process. For tests, prefer base::test::ScopedTaskScheduler
156 // (ensures isolation). 153 // (ensures isolation).
157 static void SetInstance(std::unique_ptr<TaskScheduler> task_scheduler); 154 static void SetInstance(std::unique_ptr<TaskScheduler> task_scheduler);
158 155
159 // Retrieve the TaskScheduler set via SetInstance() or 156 // Retrieve the TaskScheduler set via SetInstance() or
160 // CreateAndSet(Simple|Default)TaskScheduler(). This should be used very 157 // CreateAndSet(Simple|Default)TaskScheduler(). This should be used very
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180 // each process n/GetMaxConcurrentTasksWithTraitsDeprecated() items. 177 // each process n/GetMaxConcurrentTasksWithTraitsDeprecated() items.
181 // 178 //
182 // TODO(fdoray): Remove this method. https://crbug.com/687264 179 // TODO(fdoray): Remove this method. https://crbug.com/687264
183 virtual int GetMaxConcurrentTasksWithTraitsDeprecated( 180 virtual int GetMaxConcurrentTasksWithTraitsDeprecated(
184 const TaskTraits& traits) const = 0; 181 const TaskTraits& traits) const = 0;
185 }; 182 };
186 183
187 } // namespace base 184 } // namespace base
188 185
189 #endif // BASE_TASK_SCHEDULER_TASK_SCHEDULER_H_ 186 #endif // BASE_TASK_SCHEDULER_TASK_SCHEDULER_H_
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