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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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_WORKER_POOL_H_ | 5 #ifndef BASE_WORKER_POOL_H_ |
| 6 #define BASE_WORKER_POOL_H_ | 6 #define BASE_WORKER_POOL_H_ |
| 7 | 7 |
| 8 #include "base/tracked.h" | 8 #include "base/tracked.h" |
| 9 | 9 |
| 10 class Task; | 10 class Task; |
| 11 | 11 |
| 12 // This is a facility that runs tasks that don't require a specific thread or | 12 // This is a facility that runs tasks that don't require a specific thread or |
| 13 // a message loop. | 13 // a message loop. |
| 14 class WorkerPool { | 14 class WorkerPool { |
| 15 public: | 15 public: |
| 16 // This function posts |task| to run on a worker thread. |task_is_slow| | 16 // This function posts |task| to run on a worker thread. |task_is_slow| |
| 17 // should be used for tasks that will take a long time to execute. Returns | 17 // should be used for tasks that will take a long time to execute. Returns |
| 18 // false if |task| could not be posted to a worker thread. Regardless of | 18 // false if |task| could not be posted to a worker thread. Regardless of |
| 19 // return value, ownership of |task| is transferred to the worker pool. | 19 // return value, ownership of |task| is transferred to the worker pool. |
| 20 static bool PostTask(const tracked_objects::Location& from_here, | 20 static bool PostTask(const tracked_objects::Location& from_here, |
| 21 Task* task, bool task_is_slow); | 21 Task* task, bool task_is_slow); |
| 22 }; | 22 }; |
| 23 | 23 |
| 24 #endif // BASE_WORKER_POOL_H_ | 24 #endif // BASE_WORKER_POOL_H_ |
| 25 | |
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