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1 // Copyright 2016 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_SERVICE_THREAD_H_ | |
6 #define BASE_TASK_SCHEDULER_SERVICE_THREAD_H_ | |
7 | |
8 #include <memory> | |
9 | |
10 #include "base/base_export.h" | |
11 #include "base/macros.h" | |
12 | |
13 namespace base { | |
14 namespace internal { | |
15 | |
16 class DelayedTaskManager; | |
17 class SchedulerWorker; | |
18 class TaskTracker; | |
19 | |
20 // A thread dedicated to performing Task Scheduler related work. | |
21 class BASE_EXPORT SchedulerServiceThread { | |
22 public: | |
23 ~SchedulerServiceThread(); | |
24 | |
25 // Creates a SchedulerServiceThread. |task_tracker| and |delayed_task_manager| | |
26 // are passed through to the underlying SchedulerWorker. Returns a nullptr on | |
27 // failure. | |
28 static std::unique_ptr<SchedulerServiceThread> Create( | |
29 TaskTracker* task_tracker, DelayedTaskManager* delayed_task_manager); | |
30 | |
31 // Wakes the SchedulerServiceThread if it wasn't already awake. This also has | |
32 // the impact of updating the amount of time the thread sleeps for delayed | |
33 // tasks. | |
34 void WakeUp(); | |
35 | |
36 // Joins this SchedulerServiceThread. This can only be called once. | |
37 void JoinForTesting(); | |
38 | |
39 private: | |
40 SchedulerServiceThread(std::unique_ptr<SchedulerWorker> worker); | |
41 | |
42 const std::unique_ptr<SchedulerWorker> worker_; | |
43 | |
44 DISALLOW_COPY_AND_ASSIGN(SchedulerServiceThread); | |
45 }; | |
46 | |
47 } // namespace internal | |
48 } // namespace base | |
49 | |
50 #endif // BASE_TASK_SCHEDULER_SERVICE_THREAD_H_ | |
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