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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 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 | 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_TASK_SCHEDULER_IMPL_H_ | 5 #ifndef BASE_TASK_SCHEDULER_TASK_SCHEDULER_IMPL_H_ |
6 #define BASE_TASK_SCHEDULER_TASK_SCHEDULER_IMPL_H_ | 6 #define BASE_TASK_SCHEDULER_TASK_SCHEDULER_IMPL_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/base_export.h" | 11 #include "base/base_export.h" |
12 #include "base/callback.h" | 12 #include "base/callback.h" |
13 #include "base/logging.h" | 13 #include "base/logging.h" |
14 #include "base/macros.h" | 14 #include "base/macros.h" |
15 #include "base/memory/ptr_util.h" | |
16 #include "base/memory/ref_counted.h" | 15 #include "base/memory/ref_counted.h" |
17 #include "base/strings/string_piece.h" | 16 #include "base/strings/string_piece.h" |
18 #include "base/synchronization/atomic_flag.h" | 17 #include "base/synchronization/atomic_flag.h" |
19 #include "base/task_scheduler/delayed_task_manager.h" | 18 #include "base/task_scheduler/delayed_task_manager.h" |
20 #include "base/task_scheduler/scheduler_single_thread_task_runner_manager.h" | 19 #include "base/task_scheduler/scheduler_single_thread_task_runner_manager.h" |
21 #include "base/task_scheduler/scheduler_worker_pool_impl.h" | 20 #include "base/task_scheduler/scheduler_worker_pool_impl.h" |
22 #include "base/task_scheduler/single_thread_task_runner_thread_mode.h" | 21 #include "base/task_scheduler/single_thread_task_runner_thread_mode.h" |
23 #include "base/task_scheduler/task_scheduler.h" | 22 #include "base/task_scheduler/task_scheduler.h" |
24 #include "base/task_scheduler/task_tracker.h" | 23 #include "base/task_scheduler/task_tracker.h" |
25 #include "base/task_scheduler/task_traits.h" | 24 #include "base/task_scheduler/task_traits.h" |
26 #include "base/threading/thread.h" | 25 #include "base/threading/thread.h" |
27 #include "build/build_config.h" | 26 #include "build/build_config.h" |
28 | 27 |
29 #if defined(OS_POSIX) && !defined(OS_NACL_SFI) | 28 #if defined(OS_POSIX) && !defined(OS_NACL_SFI) |
30 #include "base/task_scheduler/task_tracker_posix.h" | 29 #include "base/task_scheduler/task_tracker_posix.h" |
31 #endif | 30 #endif |
32 | 31 |
33 namespace base { | 32 namespace base { |
34 | 33 |
35 class HistogramBase; | 34 class HistogramBase; |
36 | 35 |
37 namespace internal { | 36 namespace internal { |
38 | 37 |
39 // Default TaskScheduler implementation. This class is thread-safe. | 38 // Default TaskScheduler implementation. This class is thread-safe. |
40 class BASE_EXPORT TaskSchedulerImpl : public TaskScheduler { | 39 class BASE_EXPORT TaskSchedulerImpl : public TaskScheduler { |
41 public: | 40 public: |
42 using TaskTrackerType = | 41 // |name| is used to label threads and histograms. |
43 #if defined(OS_POSIX) && !defined(OS_NACL_SFI) | 42 explicit TaskSchedulerImpl(StringPiece name); |
44 TaskTrackerPosix; | |
45 #else | |
46 TaskTracker; | |
47 #endif | |
48 | |
49 // |name| is used to label threads and histograms. |task_tracker| can be used | |
50 // for tests that need more execution control. By default, you get the | |
51 // production TaskTracker. | |
52 explicit TaskSchedulerImpl(StringPiece name, | |
53 std::unique_ptr<TaskTrackerType> task_tracker = | |
54 MakeUnique<TaskTrackerType>()); | |
55 ~TaskSchedulerImpl() override; | 43 ~TaskSchedulerImpl() override; |
56 | 44 |
57 // TaskScheduler: | 45 // TaskScheduler: |
58 void Start(const TaskScheduler::InitParams& init_params) override; | 46 void Start(const TaskScheduler::InitParams& init_params) override; |
59 void PostDelayedTaskWithTraits(const tracked_objects::Location& from_here, | 47 void PostDelayedTaskWithTraits(const tracked_objects::Location& from_here, |
60 const TaskTraits& traits, | 48 const TaskTraits& traits, |
61 OnceClosure task, | 49 OnceClosure task, |
62 TimeDelta delay) override; | 50 TimeDelta delay) override; |
63 scoped_refptr<TaskRunner> CreateTaskRunnerWithTraits( | 51 scoped_refptr<TaskRunner> CreateTaskRunnerWithTraits( |
64 const TaskTraits& traits) override; | 52 const TaskTraits& traits) override; |
(...skipping 14 matching lines...) Expand all Loading... |
79 void FlushForTesting() override; | 67 void FlushForTesting() override; |
80 void JoinForTesting() override; | 68 void JoinForTesting() override; |
81 | 69 |
82 private: | 70 private: |
83 // Returns the worker pool that runs Tasks with |traits|. | 71 // Returns the worker pool that runs Tasks with |traits|. |
84 SchedulerWorkerPoolImpl* GetWorkerPoolForTraits( | 72 SchedulerWorkerPoolImpl* GetWorkerPoolForTraits( |
85 const TaskTraits& traits) const; | 73 const TaskTraits& traits) const; |
86 | 74 |
87 const std::string name_; | 75 const std::string name_; |
88 Thread service_thread_; | 76 Thread service_thread_; |
89 const std::unique_ptr<TaskTrackerType> task_tracker_; | 77 #if defined(OS_POSIX) && !defined(OS_NACL_SFI) |
| 78 TaskTrackerPosix task_tracker_; |
| 79 #else |
| 80 TaskTracker task_tracker_; |
| 81 #endif |
90 DelayedTaskManager delayed_task_manager_; | 82 DelayedTaskManager delayed_task_manager_; |
91 SchedulerSingleThreadTaskRunnerManager single_thread_task_runner_manager_; | 83 SchedulerSingleThreadTaskRunnerManager single_thread_task_runner_manager_; |
92 | 84 |
93 // There are 4 SchedulerWorkerPoolImpl in this array to match the 4 | 85 // There are 4 SchedulerWorkerPoolImpl in this array to match the 4 |
94 // SchedulerWorkerPoolParams in TaskScheduler::InitParams. | 86 // SchedulerWorkerPoolParams in TaskScheduler::InitParams. |
95 std::unique_ptr<SchedulerWorkerPoolImpl> worker_pools_[4]; | 87 std::unique_ptr<SchedulerWorkerPoolImpl> worker_pools_[4]; |
96 | 88 |
97 #if DCHECK_IS_ON() | 89 #if DCHECK_IS_ON() |
98 // Set once JoinForTesting() has returned. | 90 // Set once JoinForTesting() has returned. |
99 AtomicFlag join_for_testing_returned_; | 91 AtomicFlag join_for_testing_returned_; |
100 #endif | 92 #endif |
101 | 93 |
102 DISALLOW_COPY_AND_ASSIGN(TaskSchedulerImpl); | 94 DISALLOW_COPY_AND_ASSIGN(TaskSchedulerImpl); |
103 }; | 95 }; |
104 | 96 |
105 } // namespace internal | 97 } // namespace internal |
106 } // namespace base | 98 } // namespace base |
107 | 99 |
108 #endif // BASE_TASK_SCHEDULER_TASK_SCHEDULER_IMPL_H_ | 100 #endif // BASE_TASK_SCHEDULER_TASK_SCHEDULER_IMPL_H_ |
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