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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/ref_counted.h" | 15 #include "base/memory/ref_counted.h" |
16 #include "base/strings/string_piece.h" | 16 #include "base/strings/string_piece.h" |
17 #include "base/synchronization/atomic_flag.h" | 17 #include "base/synchronization/atomic_flag.h" |
| 18 #include "base/task_scheduler/delayed_task_manager.h" |
| 19 #include "base/task_scheduler/scheduler_single_thread_task_runner_manager.h" |
18 #include "base/task_scheduler/scheduler_worker_pool_impl.h" | 20 #include "base/task_scheduler/scheduler_worker_pool_impl.h" |
19 #include "base/task_scheduler/sequence.h" | 21 #include "base/task_scheduler/sequence.h" |
20 #include "base/task_scheduler/task_scheduler.h" | 22 #include "base/task_scheduler/task_scheduler.h" |
21 #include "base/task_scheduler/task_tracker.h" | 23 #include "base/task_scheduler/task_tracker.h" |
22 #include "base/task_scheduler/task_traits.h" | 24 #include "base/task_scheduler/task_traits.h" |
23 #include "base/threading/thread.h" | 25 #include "base/threading/thread.h" |
24 #include "build/build_config.h" | 26 #include "build/build_config.h" |
25 | 27 |
26 #if defined(OS_POSIX) && !defined(OS_NACL_SFI) | 28 #if defined(OS_POSIX) && !defined(OS_NACL_SFI) |
27 #include "base/task_scheduler/task_tracker_posix.h" | 29 #include "base/task_scheduler/task_tracker_posix.h" |
28 #endif | 30 #endif |
29 | 31 |
30 namespace base { | 32 namespace base { |
31 | 33 |
32 class HistogramBase; | 34 class HistogramBase; |
33 | 35 |
34 namespace internal { | 36 namespace internal { |
35 | 37 |
36 class DelayedTaskManager; | |
37 class SchedulerSingleThreadTaskRunnerManager; | |
38 | |
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 // Creates and returns an initialized TaskSchedulerImpl. CHECKs on failure. | 41 // Creates and returns an initialized TaskSchedulerImpl. CHECKs on failure. |
43 // |name| is used to label threads and histograms. It should identify the | 42 // |name| is used to label threads and histograms. It should identify the |
44 // component that creates the TaskScheduler. |init_params| contains params to | 43 // component that creates the TaskScheduler. |init_params| contains params to |
45 // initialize worker pools. | 44 // initialize worker pools. |
46 // | 45 // |
47 // Note: The names and priority hints in |init_params| are ignored. | 46 // Note: The names and priority hints in |init_params| are ignored. |
48 // https://crbug.com/690706 | 47 // https://crbug.com/690706 |
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87 // worker pops a Task from it. | 86 // worker pops a Task from it. |
88 void ReEnqueueSequenceCallback(scoped_refptr<Sequence> sequence); | 87 void ReEnqueueSequenceCallback(scoped_refptr<Sequence> sequence); |
89 | 88 |
90 const std::string name_; | 89 const std::string name_; |
91 Thread service_thread_; | 90 Thread service_thread_; |
92 #if defined(OS_POSIX) && !defined(OS_NACL_SFI) | 91 #if defined(OS_POSIX) && !defined(OS_NACL_SFI) |
93 TaskTrackerPosix task_tracker_; | 92 TaskTrackerPosix task_tracker_; |
94 #else | 93 #else |
95 TaskTracker task_tracker_; | 94 TaskTracker task_tracker_; |
96 #endif | 95 #endif |
97 std::unique_ptr<DelayedTaskManager> delayed_task_manager_; | 96 DelayedTaskManager delayed_task_manager_; |
98 std::unique_ptr<SchedulerSingleThreadTaskRunnerManager> | 97 SchedulerSingleThreadTaskRunnerManager single_thread_task_runner_manager_; |
99 single_thread_task_runner_manager_; | |
100 | 98 |
101 // There are 4 SchedulerWorkerPoolImpl in this array to match the 4 | 99 // There are 4 SchedulerWorkerPoolImpl in this array to match the 4 |
102 // SchedulerWorkerPoolParams in TaskScheduler::InitParams. | 100 // SchedulerWorkerPoolParams in TaskScheduler::InitParams. |
103 std::unique_ptr<SchedulerWorkerPoolImpl> worker_pools_[4]; | 101 std::unique_ptr<SchedulerWorkerPoolImpl> worker_pools_[4]; |
104 | 102 |
105 #if DCHECK_IS_ON() | 103 #if DCHECK_IS_ON() |
106 // Set once JoinForTesting() has returned. | 104 // Set once JoinForTesting() has returned. |
107 AtomicFlag join_for_testing_returned_; | 105 AtomicFlag join_for_testing_returned_; |
108 #endif | 106 #endif |
109 | 107 |
110 DISALLOW_COPY_AND_ASSIGN(TaskSchedulerImpl); | 108 DISALLOW_COPY_AND_ASSIGN(TaskSchedulerImpl); |
111 }; | 109 }; |
112 | 110 |
113 } // namespace internal | 111 } // namespace internal |
114 } // namespace base | 112 } // namespace base |
115 | 113 |
116 #endif // BASE_TASK_SCHEDULER_TASK_SCHEDULER_IMPL_H_ | 114 #endif // BASE_TASK_SCHEDULER_TASK_SCHEDULER_IMPL_H_ |
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