OLD | NEW |
---|---|
1 // Copyright 2017 The Chromium Authors. All rights reserved. | 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 | 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_SCHEDULER_SINGLE_THREAD_TASK_RUNNER_MANAGER_H_ | 5 #ifndef BASE_TASK_SCHEDULER_SCHEDULER_SINGLE_THREAD_TASK_RUNNER_MANAGER_H_ |
6 #define BASE_TASK_SCHEDULER_SCHEDULER_SINGLE_THREAD_TASK_RUNNER_MANAGER_H_ | 6 #define BASE_TASK_SCHEDULER_SCHEDULER_SINGLE_THREAD_TASK_RUNNER_MANAGER_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
(...skipping 17 matching lines...) Expand all Loading... | |
28 class DelayedTaskManager; | 28 class DelayedTaskManager; |
29 class SchedulerWorker; | 29 class SchedulerWorker; |
30 class TaskTracker; | 30 class TaskTracker; |
31 | 31 |
32 namespace { | 32 namespace { |
33 | 33 |
34 class SchedulerWorkerDelegate; | 34 class SchedulerWorkerDelegate; |
35 | 35 |
36 } // namespace | 36 } // namespace |
37 | 37 |
38 class BASE_EXPORT SchedulerSingleThreadTaskRunnerManager final { | 38 class BASE_EXPORT SchedulerSingleThreadTaskRunnerManager final { |
gab
2017/04/10 18:04:56
This class is missing a meta-comment, please work
fdoray
2017/04/10 19:05:00
Done.
| |
39 public: | 39 public: |
40 // Create a SchedulerSingleThreadTaskRunnerManager. Tasks posted to | |
41 // SingleThreadTaskRunners obtained from this | |
42 // SchedulerSingleThreadTaskRunnerManager won't run until Start() is called. | |
40 SchedulerSingleThreadTaskRunnerManager( | 43 SchedulerSingleThreadTaskRunnerManager( |
41 const std::vector<SchedulerWorkerPoolParams>& worker_pool_params_vector, | 44 const std::vector<SchedulerWorkerPoolParams>& worker_pool_params_vector, |
42 const TaskScheduler::WorkerPoolIndexForTraitsCallback& | 45 const TaskScheduler::WorkerPoolIndexForTraitsCallback& |
43 worker_pool_index_for_traits_callback, | 46 worker_pool_index_for_traits_callback, |
44 TaskTracker* task_tracker, | 47 TaskTracker* task_tracker, |
45 DelayedTaskManager* delayed_task_manager); | 48 DelayedTaskManager* delayed_task_manager); |
46 ~SchedulerSingleThreadTaskRunnerManager(); | 49 ~SchedulerSingleThreadTaskRunnerManager(); |
47 | 50 |
51 // Creates threads for existing SingleThreadTaskRunners and allows threads to | |
52 // be created when new SingleThreadTaskRunners are created in the future. | |
53 void Start(); | |
54 | |
48 scoped_refptr<SingleThreadTaskRunner> CreateSingleThreadTaskRunnerWithTraits( | 55 scoped_refptr<SingleThreadTaskRunner> CreateSingleThreadTaskRunnerWithTraits( |
49 const TaskTraits& traits); | 56 const TaskTraits& traits); |
50 | 57 |
51 #if defined(OS_WIN) | 58 #if defined(OS_WIN) |
52 scoped_refptr<SingleThreadTaskRunner> CreateCOMSTATaskRunnerWithTraits( | 59 scoped_refptr<SingleThreadTaskRunner> CreateCOMSTATaskRunnerWithTraits( |
53 const TaskTraits& traits); | 60 const TaskTraits& traits); |
54 #endif // defined(OS_WIN) | 61 #endif // defined(OS_WIN) |
55 | 62 |
56 void JoinForTesting(); | 63 void JoinForTesting(); |
57 | 64 |
(...skipping 14 matching lines...) Expand all Loading... | |
72 const SchedulerWorkerPoolParams& params); | 79 const SchedulerWorkerPoolParams& params); |
73 | 80 |
74 void UnregisterSchedulerWorker(SchedulerWorker* worker); | 81 void UnregisterSchedulerWorker(SchedulerWorker* worker); |
75 | 82 |
76 const std::vector<SchedulerWorkerPoolParams> worker_pool_params_vector_; | 83 const std::vector<SchedulerWorkerPoolParams> worker_pool_params_vector_; |
77 const TaskScheduler::WorkerPoolIndexForTraitsCallback | 84 const TaskScheduler::WorkerPoolIndexForTraitsCallback |
78 worker_pool_index_for_traits_callback_; | 85 worker_pool_index_for_traits_callback_; |
79 TaskTracker* const task_tracker_; | 86 TaskTracker* const task_tracker_; |
80 DelayedTaskManager* const delayed_task_manager_; | 87 DelayedTaskManager* const delayed_task_manager_; |
81 | 88 |
82 // Synchronizes access to |workers_| and |worker_id_|. | 89 // Synchronizes access to |workers_|, |next_worker_id_| and |started_|. |
83 SchedulerLock workers_lock_; | 90 SchedulerLock lock_; |
84 std::vector<scoped_refptr<SchedulerWorker>> workers_; | 91 std::vector<scoped_refptr<SchedulerWorker>> workers_; |
85 int next_worker_id_ = 0; | 92 int next_worker_id_ = 0; |
86 | 93 |
94 // Set to true when Start() is called. | |
95 bool started_ = false; | |
96 | |
87 #if DCHECK_IS_ON() | 97 #if DCHECK_IS_ON() |
88 subtle::Atomic32 workers_unregistered_during_join_ = 0; | 98 subtle::Atomic32 workers_unregistered_during_join_ = 0; |
89 #endif | 99 #endif |
90 | 100 |
91 DISALLOW_COPY_AND_ASSIGN(SchedulerSingleThreadTaskRunnerManager); | 101 DISALLOW_COPY_AND_ASSIGN(SchedulerSingleThreadTaskRunnerManager); |
92 }; | 102 }; |
93 | 103 |
94 } // namespace internal | 104 } // namespace internal |
95 } // namespace base | 105 } // namespace base |
96 | 106 |
97 #endif // BASE_TASK_SCHEDULER_SCHEDULER_SINGLE_THREAD_TASK_RUNNER_MANAGER_H_ | 107 #endif // BASE_TASK_SCHEDULER_SCHEDULER_SINGLE_THREAD_TASK_RUNNER_MANAGER_H_ |
OLD | NEW |