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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/synchronization/condition_variable.h" | |
14 #include "base/task_scheduler/scheduler_lock.h" | |
15 #include "base/task_scheduler/scheduler_worker_pool_params.h" | |
16 #include "base/task_scheduler/task_scheduler.h" | |
17 | |
18 namespace base { | |
19 | |
20 class TaskTraits; | |
21 class SingleThreadTaskRunner; | |
22 | |
23 namespace internal { | |
24 | |
25 class DelayedTaskManager; | |
26 class SchedulerWorker; | |
27 class TaskTracker; | |
28 | |
29 class BASE_EXPORT SchedulerSingleThreadTaskRunnerManager final { | |
30 public: | |
31 SchedulerSingleThreadTaskRunnerManager( | |
32 const std::vector<SchedulerWorkerPoolParams>& worker_pool_params_vector, | |
33 const TaskScheduler::WorkerPoolIndexForTraitsCallback& | |
34 worker_pool_index_for_traits_callback, | |
35 TaskTracker* task_tracker, | |
36 DelayedTaskManager* delayed_task_manager); | |
37 ~SchedulerSingleThreadTaskRunnerManager(); | |
38 | |
39 scoped_refptr<SingleThreadTaskRunner> CreateSingleThreadTaskRunnerWithTraits( | |
40 const TaskTraits& traits); | |
41 | |
42 void JoinForTesting(); | |
43 | |
44 private: | |
45 class SchedulerSingleThreadTaskRunner; | |
46 class SchedulerWorkerDelegate; | |
47 | |
48 SchedulerWorker* CreateAndRegisterSchedulerWorker( | |
49 const SchedulerWorkerPoolParams& params); | |
50 | |
51 void UnregisterSchedulerWorker(SchedulerWorker* worker); | |
52 | |
53 const std::vector<SchedulerWorkerPoolParams> worker_pool_params_vector_; | |
54 const TaskScheduler::WorkerPoolIndexForTraitsCallback | |
55 worker_pool_index_for_traits_callback_; | |
56 TaskTracker* const task_tracker_; | |
57 DelayedTaskManager* const delayed_task_manager_; | |
58 | |
59 // Synchornizes access to |workers_| and |worker_id_|. | |
gab
2017/02/21 21:39:50
"Synchronizes"
robliao
2017/02/22 01:04:18
Done.
| |
60 SchedulerLock workers_lock_; | |
61 std::vector<scoped_refptr<SchedulerWorker>> workers_; | |
62 int next_worker_id_ = 0; | |
63 | |
64 DISALLOW_COPY_AND_ASSIGN(SchedulerSingleThreadTaskRunnerManager); | |
65 }; | |
66 | |
67 } // namespace internal | |
68 } // namespace base | |
69 | |
70 #endif // BASE_TASK_SCHEDULER_SCHEDULER_SINGLE_THREAD_TASK_RUNNER_MANAGER_H_ | |
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