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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_THREADING_SEQUENCED_WORKER_POOL_H_ | 5 #ifndef BASE_THREADING_SEQUENCED_WORKER_POOL_H_ |
6 #define BASE_THREADING_SEQUENCED_WORKER_POOL_H_ | 6 #define BASE_THREADING_SEQUENCED_WORKER_POOL_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include <cstddef> | 10 #include <cstddef> |
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178 | 178 |
179 // Pass the maximum number of threads (they will be lazily created as needed) | 179 // Pass the maximum number of threads (they will be lazily created as needed) |
180 // and a prefix for the thread name to aid in debugging. |task_priority| will | 180 // and a prefix for the thread name to aid in debugging. |task_priority| will |
181 // be used to hint base::TaskScheduler for an experiment in which all | 181 // be used to hint base::TaskScheduler for an experiment in which all |
182 // SequencedWorkerPool tasks will be redirected to it in processes where a | 182 // SequencedWorkerPool tasks will be redirected to it in processes where a |
183 // base::TaskScheduler was instantiated. | 183 // base::TaskScheduler was instantiated. |
184 SequencedWorkerPool(size_t max_threads, | 184 SequencedWorkerPool(size_t max_threads, |
185 const std::string& thread_name_prefix, | 185 const std::string& thread_name_prefix, |
186 base::TaskPriority task_priority); | 186 base::TaskPriority task_priority); |
187 | 187 |
188 // Deprecated, use the above constructor with |task_priority| instead. | |
189 // TODO(gab): Cleanup last few use cases of this before running the | |
190 // aforementioned base::TaskScheduler experiment (or make sure this | |
191 // constructor results in callers being opted out of the experiment). | |
192 SequencedWorkerPool(size_t max_threads, | |
193 const std::string& thread_name_prefix); | |
194 | |
195 // Like above, but with |observer| for testing. Does not take ownership of | 188 // Like above, but with |observer| for testing. Does not take ownership of |
196 // |observer|. | 189 // |observer|. |
197 SequencedWorkerPool(size_t max_threads, | 190 SequencedWorkerPool(size_t max_threads, |
198 const std::string& thread_name_prefix, | 191 const std::string& thread_name_prefix, |
199 base::TaskPriority task_priority, | 192 base::TaskPriority task_priority, |
200 TestingObserver* observer); | 193 TestingObserver* observer); |
201 | 194 |
202 // Returns the sequence token associated with the given name. Calling this | 195 // Returns the sequence token associated with the given name. Calling this |
203 // function multiple times with the same string will always produce the | 196 // function multiple times with the same string will always produce the |
204 // same sequence token. If the name has not been used before, a new token | 197 // same sequence token. If the name has not been used before, a new token |
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374 // Avoid pulling in too many headers by putting (almost) everything | 367 // Avoid pulling in too many headers by putting (almost) everything |
375 // into |inner_|. | 368 // into |inner_|. |
376 const std::unique_ptr<Inner> inner_; | 369 const std::unique_ptr<Inner> inner_; |
377 | 370 |
378 DISALLOW_COPY_AND_ASSIGN(SequencedWorkerPool); | 371 DISALLOW_COPY_AND_ASSIGN(SequencedWorkerPool); |
379 }; | 372 }; |
380 | 373 |
381 } // namespace base | 374 } // namespace base |
382 | 375 |
383 #endif // BASE_THREADING_SEQUENCED_WORKER_POOL_H_ | 376 #endif // BASE_THREADING_SEQUENCED_WORKER_POOL_H_ |
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