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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 #include "base/task_scheduler/post_task.h" | 5 #include "base/task_scheduler/post_task.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "base/task_scheduler/scoped_set_task_priority_for_current_thread.h" |
10 #include "base/task_scheduler/task_scheduler.h" | 11 #include "base/task_scheduler/task_scheduler.h" |
11 #include "base/threading/post_task_and_reply_impl.h" | 12 #include "base/threading/post_task_and_reply_impl.h" |
12 | 13 |
13 namespace base { | 14 namespace base { |
14 | 15 |
15 namespace { | 16 namespace { |
16 | 17 |
17 class PostTaskAndReplyTaskRunner : public internal::PostTaskAndReplyImpl { | 18 class PostTaskAndReplyTaskRunner : public internal::PostTaskAndReplyImpl { |
18 public: | 19 public: |
19 explicit PostTaskAndReplyTaskRunner(const TaskTraits& traits) | 20 explicit PostTaskAndReplyTaskRunner(const TaskTraits& traits) |
20 : traits_(traits) {} | 21 : traits_(traits) {} |
21 | 22 |
22 private: | 23 private: |
23 bool PostTask(const tracked_objects::Location& from_here, | 24 bool PostTask(const tracked_objects::Location& from_here, |
24 OnceClosure task) override { | 25 OnceClosure task) override { |
25 PostTaskWithTraits(from_here, traits_, std::move(task)); | 26 PostTaskWithTraits(from_here, traits_, std::move(task)); |
26 return true; | 27 return true; |
27 } | 28 } |
28 | 29 |
29 const TaskTraits traits_; | 30 const TaskTraits traits_; |
30 }; | 31 }; |
31 | 32 |
| 33 // Returns TaskTraits based on |traits|. If TaskPriority hasn't been set |
| 34 // explicitly in |traits|, the returned TaskTraits have the current |
| 35 // TaskPriority. |
| 36 TaskTraits GetTaskTraitsWithExplicitPriority(const TaskTraits& traits) { |
| 37 return traits.priority_set_explicitly() |
| 38 ? traits |
| 39 : TaskTraits(traits).WithPriority( |
| 40 internal::GetTaskPriorityForCurrentThread()); |
| 41 } |
32 | 42 |
33 } // namespace | 43 } // namespace |
34 | 44 |
35 void PostTask(const tracked_objects::Location& from_here, OnceClosure task) { | 45 void PostTask(const tracked_objects::Location& from_here, OnceClosure task) { |
36 PostDelayedTask(from_here, std::move(task), TimeDelta()); | 46 PostDelayedTask(from_here, std::move(task), TimeDelta()); |
37 } | 47 } |
38 | 48 |
39 void PostDelayedTask(const tracked_objects::Location& from_here, | 49 void PostDelayedTask(const tracked_objects::Location& from_here, |
40 OnceClosure task, | 50 OnceClosure task, |
41 TimeDelta delay) { | 51 TimeDelta delay) { |
(...skipping 13 matching lines...) Expand all Loading... |
55 PostDelayedTaskWithTraits(from_here, traits, std::move(task), TimeDelta()); | 65 PostDelayedTaskWithTraits(from_here, traits, std::move(task), TimeDelta()); |
56 } | 66 } |
57 | 67 |
58 void PostDelayedTaskWithTraits(const tracked_objects::Location& from_here, | 68 void PostDelayedTaskWithTraits(const tracked_objects::Location& from_here, |
59 const TaskTraits& traits, | 69 const TaskTraits& traits, |
60 OnceClosure task, | 70 OnceClosure task, |
61 TimeDelta delay) { | 71 TimeDelta delay) { |
62 DCHECK(TaskScheduler::GetInstance()) | 72 DCHECK(TaskScheduler::GetInstance()) |
63 << "Ref. Prerequisite section of post_task.h"; | 73 << "Ref. Prerequisite section of post_task.h"; |
64 TaskScheduler::GetInstance()->PostDelayedTaskWithTraits( | 74 TaskScheduler::GetInstance()->PostDelayedTaskWithTraits( |
65 from_here, traits, std::move(task), std::move(delay)); | 75 from_here, GetTaskTraitsWithExplicitPriority(traits), std::move(task), |
| 76 std::move(delay)); |
66 } | 77 } |
67 | 78 |
68 void PostTaskWithTraitsAndReply(const tracked_objects::Location& from_here, | 79 void PostTaskWithTraitsAndReply(const tracked_objects::Location& from_here, |
69 const TaskTraits& traits, | 80 const TaskTraits& traits, |
70 OnceClosure task, | 81 OnceClosure task, |
71 OnceClosure reply) { | 82 OnceClosure reply) { |
72 PostTaskAndReplyTaskRunner(traits).PostTaskAndReply( | 83 PostTaskAndReplyTaskRunner(traits).PostTaskAndReply( |
73 from_here, std::move(task), std::move(reply)); | 84 from_here, std::move(task), std::move(reply)); |
74 } | 85 } |
75 | 86 |
76 scoped_refptr<TaskRunner> CreateTaskRunnerWithTraits(const TaskTraits& traits) { | 87 scoped_refptr<TaskRunner> CreateTaskRunnerWithTraits(const TaskTraits& traits) { |
77 DCHECK(TaskScheduler::GetInstance()) | 88 DCHECK(TaskScheduler::GetInstance()) |
78 << "Ref. Prerequisite section of post_task.h"; | 89 << "Ref. Prerequisite section of post_task.h"; |
79 return TaskScheduler::GetInstance()->CreateTaskRunnerWithTraits(traits); | 90 return TaskScheduler::GetInstance()->CreateTaskRunnerWithTraits( |
| 91 GetTaskTraitsWithExplicitPriority(traits)); |
80 } | 92 } |
81 | 93 |
82 scoped_refptr<SequencedTaskRunner> CreateSequencedTaskRunnerWithTraits( | 94 scoped_refptr<SequencedTaskRunner> CreateSequencedTaskRunnerWithTraits( |
83 const TaskTraits& traits) { | 95 const TaskTraits& traits) { |
84 DCHECK(TaskScheduler::GetInstance()) | 96 DCHECK(TaskScheduler::GetInstance()) |
85 << "Ref. Prerequisite section of post_task.h"; | 97 << "Ref. Prerequisite section of post_task.h"; |
86 return TaskScheduler::GetInstance()->CreateSequencedTaskRunnerWithTraits( | 98 return TaskScheduler::GetInstance()->CreateSequencedTaskRunnerWithTraits( |
87 traits); | 99 GetTaskTraitsWithExplicitPriority(traits)); |
88 } | 100 } |
89 | 101 |
90 scoped_refptr<SingleThreadTaskRunner> CreateSingleThreadTaskRunnerWithTraits( | 102 scoped_refptr<SingleThreadTaskRunner> CreateSingleThreadTaskRunnerWithTraits( |
91 const TaskTraits& traits) { | 103 const TaskTraits& traits) { |
92 DCHECK(TaskScheduler::GetInstance()) | 104 DCHECK(TaskScheduler::GetInstance()) |
93 << "Ref. Prerequisite section of post_task.h"; | 105 << "Ref. Prerequisite section of post_task.h"; |
94 return TaskScheduler::GetInstance()->CreateSingleThreadTaskRunnerWithTraits( | 106 return TaskScheduler::GetInstance()->CreateSingleThreadTaskRunnerWithTraits( |
95 traits); | 107 GetTaskTraitsWithExplicitPriority(traits)); |
96 } | 108 } |
97 | 109 |
98 #if defined(OS_WIN) | 110 #if defined(OS_WIN) |
99 scoped_refptr<SingleThreadTaskRunner> CreateCOMSTATaskRunnerWithTraits( | 111 scoped_refptr<SingleThreadTaskRunner> CreateCOMSTATaskRunnerWithTraits( |
100 const TaskTraits& traits) { | 112 const TaskTraits& traits) { |
101 DCHECK(TaskScheduler::GetInstance()) | 113 DCHECK(TaskScheduler::GetInstance()) |
102 << "Ref. Prerequisite section of post_task.h"; | 114 << "Ref. Prerequisite section of post_task.h"; |
103 return TaskScheduler::GetInstance()->CreateCOMSTATaskRunnerWithTraits(traits); | 115 return TaskScheduler::GetInstance()->CreateCOMSTATaskRunnerWithTraits( |
| 116 GetTaskTraitsWithExplicitPriority(traits)); |
104 } | 117 } |
105 #endif // defined(OS_WIN) | 118 #endif // defined(OS_WIN) |
106 | 119 |
107 } // namespace base | 120 } // namespace base |
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