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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef BASE_TASK_SCHEDULER_SCHEDULER_SINGLE_THREAD_TASK_RUNNER_MANAGER_H_ |
| 6 #define BASE_TASK_SCHEDULER_SCHEDULER_SINGLE_THREAD_TASK_RUNNER_MANAGER_H_ |
| 7 |
| 8 #include <vector> |
| 9 |
| 10 #include "base/base_export.h" |
| 11 #include "base/macros.h" |
| 12 #include "base/memory/ref_counted.h" |
| 13 #include "base/task_scheduler/scheduler_lock.h" |
| 14 #include "base/task_scheduler/scheduler_worker_pool_params.h" |
| 15 #include "base/task_scheduler/task_scheduler.h" |
| 16 |
| 17 namespace base { |
| 18 |
| 19 class TaskTraits; |
| 20 class SingleThreadTaskRunner; |
| 21 |
| 22 namespace internal { |
| 23 |
| 24 class DelayedTaskManager; |
| 25 class SchedulerWorker; |
| 26 class TaskTracker; |
| 27 |
| 28 class BASE_EXPORT SchedulerSingleThreadTaskRunnerManager final { |
| 29 public: |
| 30 SchedulerSingleThreadTaskRunnerManager( |
| 31 const std::vector<SchedulerWorkerPoolParams>& worker_pool_params_vector, |
| 32 const TaskScheduler::WorkerPoolIndexForTraitsCallback& |
| 33 worker_pool_index_for_traits_callback, |
| 34 TaskTracker* task_tracker, |
| 35 DelayedTaskManager* delayed_task_manager); |
| 36 ~SchedulerSingleThreadTaskRunnerManager(); |
| 37 |
| 38 scoped_refptr<SingleThreadTaskRunner> CreateSingleThreadTaskRunnerWithTraits( |
| 39 const TaskTraits& traits); |
| 40 |
| 41 void JoinForTesting(); |
| 42 |
| 43 private: |
| 44 class SchedulerSingleThreadTaskRunner; |
| 45 |
| 46 SchedulerWorker* CreateAndRegisterSchedulerWorker( |
| 47 const SchedulerWorkerPoolParams& params); |
| 48 |
| 49 void UnregisterSchedulerWorker(SchedulerWorker* worker); |
| 50 |
| 51 const std::vector<SchedulerWorkerPoolParams> worker_pool_params_vector_; |
| 52 const TaskScheduler::WorkerPoolIndexForTraitsCallback |
| 53 worker_pool_index_for_traits_callback_; |
| 54 TaskTracker* const task_tracker_; |
| 55 DelayedTaskManager* const delayed_task_manager_; |
| 56 |
| 57 // Synchronizes access to |workers_| and |worker_id_|. |
| 58 SchedulerLock workers_lock_; |
| 59 std::vector<scoped_refptr<SchedulerWorker>> workers_; |
| 60 int next_worker_id_ = 0; |
| 61 |
| 62 DISALLOW_COPY_AND_ASSIGN(SchedulerSingleThreadTaskRunnerManager); |
| 63 }; |
| 64 |
| 65 } // namespace internal |
| 66 } // namespace base |
| 67 |
| 68 #endif // BASE_TASK_SCHEDULER_SCHEDULER_SINGLE_THREAD_TASK_RUNNER_MANAGER_H_ |
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