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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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_THREADING_PLATFORM_THREAD_INTERNAL_POSIX_H_ | 5 #ifndef BASE_THREADING_PLATFORM_THREAD_INTERNAL_POSIX_H_ |
6 #define BASE_THREADING_PLATFORM_THREAD_INTERNAL_POSIX_H_ | 6 #define BASE_THREADING_PLATFORM_THREAD_INTERNAL_POSIX_H_ |
7 | 7 |
8 #include "base/threading/platform_thread.h" | 8 #include "base/threading/platform_thread.h" |
9 | 9 |
10 namespace base { | 10 namespace base { |
11 | 11 |
12 namespace internal { | 12 namespace internal { |
13 | 13 |
14 struct ThreadPriorityToNiceValuePair { | 14 struct ThreadPriorityToNiceValuePair { |
15 ThreadPriority priority; | 15 ThreadPriority priority; |
16 int nice_value; | 16 int nice_value; |
17 }; | 17 }; |
18 extern const ThreadPriorityToNiceValuePair kThreadPriorityToNiceValueMap[4]; | 18 extern const ThreadPriorityToNiceValuePair kThreadPriorityToNiceValueMap[4]; |
19 | 19 |
20 // Returns the nice value matching |priority| based on the platform-specific | 20 // Returns the nice value matching |priority| based on the platform-specific |
21 // implementation of kThreadPriorityToNiceValueMap. | 21 // implementation of kThreadPriorityToNiceValueMap. |
22 int ThreadPriorityToNiceValue(ThreadPriority priority); | 22 int ThreadPriorityToNiceValue(ThreadPriority priority); |
23 | 23 |
24 // Returns the ThreadPrioirty matching |nice_value| based on the platform- | 24 // Returns the ThreadPrioirty matching |nice_value| based on the platform- |
25 // specific implementation of kThreadPriorityToNiceValueMap. | 25 // specific implementation of kThreadPriorityToNiceValueMap. |
26 ThreadPriority NiceValueToThreadPriority(int nice_value); | 26 ThreadPriority NiceValueToThreadPriority(int nice_value); |
27 | 27 |
28 // Allows platform specific tweaks to the generic POSIX solution for | 28 // Allows platform specific tweaks to the generic POSIX solution for |
29 // SetThreadPriority. Returns true if the platform-specific implementation | 29 // SetCurrentThreadPriority. Returns true if the platform-specific |
30 // handled this |priority| change, false if the generic implementation should | 30 // implementation handled this |priority| change, false if the generic |
31 // instead proceed. | 31 // implementation should instead proceed. |
32 bool SetThreadPriorityForPlatform(PlatformThreadHandle handle, | 32 bool SetCurrentThreadPriorityForPlatform(ThreadPriority priority); |
33 ThreadPriority priority); | |
34 | 33 |
35 // Returns true if there is a platform-specific ThreadPriority set on |handle| | 34 // Returns true if there is a platform-specific ThreadPriority set on current |
gab
2015/06/23 17:01:32
nit: s/on current thread/on the current thread/
Takashi Toyoshima
2015/06/24 04:15:39
Done.
| |
36 // (and returns the actual ThreadPriority via |priority|). Returns false | 35 // thread (and returns the actual ThreadPriority via |priority|). Returns false |
37 // otherwise, leaving |priority| untouched. | 36 // otherwise, leaving |priority| untouched. |
38 bool GetThreadPriorityForPlatform(PlatformThreadHandle handle, | 37 bool GetCurrentThreadPriorityForPlatform(ThreadPriority* priority); |
39 ThreadPriority* priority); | |
40 | 38 |
41 } // namespace internal | 39 } // namespace internal |
42 | 40 |
43 } // namespace base | 41 } // namespace base |
44 | 42 |
45 #endif // BASE_THREADING_PLATFORM_THREAD_INTERNAL_POSIX_H_ | 43 #endif // BASE_THREADING_PLATFORM_THREAD_INTERNAL_POSIX_H_ |
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