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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/threading/platform_thread.h" | 5 #include "base/threading/platform_thread.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 #include <sys/prctl.h> | 8 #include <sys/prctl.h> |
9 #include <sys/resource.h> | 9 #include <sys/resource.h> |
10 #include <sys/types.h> | 10 #include <sys/types.h> |
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31 // Process.THREAD_PRIORITY_DISPLAY = -4; | 31 // Process.THREAD_PRIORITY_DISPLAY = -4; |
32 // Process.THREAD_PRIORITY_FOREGROUND = -2; | 32 // Process.THREAD_PRIORITY_FOREGROUND = -2; |
33 // Process.THREAD_PRIORITY_LESS_FAVORABLE = 1; | 33 // Process.THREAD_PRIORITY_LESS_FAVORABLE = 1; |
34 // Process.THREAD_PRIORITY_LOWEST = 19; | 34 // Process.THREAD_PRIORITY_LOWEST = 19; |
35 // Process.THREAD_PRIORITY_MORE_FAVORABLE = -1; | 35 // Process.THREAD_PRIORITY_MORE_FAVORABLE = -1; |
36 // Process.THREAD_PRIORITY_URGENT_AUDIO = -19; | 36 // Process.THREAD_PRIORITY_URGENT_AUDIO = -19; |
37 // Process.THREAD_PRIORITY_URGENT_DISPLAY = -8; | 37 // Process.THREAD_PRIORITY_URGENT_DISPLAY = -8; |
38 // We use -6 for display, but we may want to split this into urgent (-8) and | 38 // We use -6 for display, but we may want to split this into urgent (-8) and |
39 // non-urgent (-4). | 39 // non-urgent (-4). |
40 const ThreadPriorityToNiceValuePair kThreadPriorityToNiceValueMap[4] = { | 40 const ThreadPriorityToNiceValuePair kThreadPriorityToNiceValueMap[4] = { |
41 {kThreadPriority_RealtimeAudio, -16}, | 41 {ThreadPriority::BACKGROUND, 10}, |
42 {kThreadPriority_Background, 10}, | 42 {ThreadPriority::NORMAL, 0}, |
43 {kThreadPriority_Normal, 0}, | 43 {ThreadPriority::DISPLAY, -6}, |
44 {kThreadPriority_Display, -6}, | 44 {ThreadPriority::REALTIME_AUDIO, -16}, |
45 }; | 45 }; |
46 | 46 |
47 bool SetThreadPriorityForPlatform(PlatformThreadHandle handle, | 47 bool SetThreadPriorityForPlatform(PlatformThreadHandle handle, |
48 ThreadPriority priority) { | 48 ThreadPriority priority) { |
49 // On Android, we set the Audio priority through JNI as Audio priority | 49 // On Android, we set the Audio priority through JNI as Audio priority |
50 // will also allow the process to run while it is backgrounded. | 50 // will also allow the process to run while it is backgrounded. |
51 if (priority == kThreadPriority_RealtimeAudio) { | 51 if (priority == ThreadPriority::REALTIME_AUDIO) { |
52 JNIEnv* env = base::android::AttachCurrentThread(); | 52 JNIEnv* env = base::android::AttachCurrentThread(); |
53 Java_ThreadUtils_setThreadPriorityAudio(env, PlatformThread::CurrentId()); | 53 Java_ThreadUtils_setThreadPriorityAudio(env, PlatformThread::CurrentId()); |
54 return true; | 54 return true; |
55 } | 55 } |
56 return false; | 56 return false; |
57 } | 57 } |
58 | 58 |
59 bool GetThreadPriorityForPlatform(PlatformThreadHandle handle, | 59 bool GetThreadPriorityForPlatform(PlatformThreadHandle handle, |
60 ThreadPriority* priority) { | 60 ThreadPriority* priority) { |
61 NOTIMPLEMENTED(); | 61 NOTIMPLEMENTED(); |
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82 } | 82 } |
83 | 83 |
84 | 84 |
85 void InitThreading() { | 85 void InitThreading() { |
86 } | 86 } |
87 | 87 |
88 void InitOnThread() { | 88 void InitOnThread() { |
89 // Threads on linux/android may inherit their priority from the thread | 89 // Threads on linux/android may inherit their priority from the thread |
90 // where they were created. This sets all new threads to the default. | 90 // where they were created. This sets all new threads to the default. |
91 PlatformThread::SetThreadPriority(PlatformThread::CurrentHandle(), | 91 PlatformThread::SetThreadPriority(PlatformThread::CurrentHandle(), |
92 kThreadPriority_Normal); | 92 ThreadPriority::NORMAL); |
93 } | 93 } |
94 | 94 |
95 void TerminateOnThread() { | 95 void TerminateOnThread() { |
96 base::android::DetachFromVM(); | 96 base::android::DetachFromVM(); |
97 } | 97 } |
98 | 98 |
99 size_t GetDefaultThreadStackSize(const pthread_attr_t& attributes) { | 99 size_t GetDefaultThreadStackSize(const pthread_attr_t& attributes) { |
100 #if !defined(ADDRESS_SANITIZER) | 100 #if !defined(ADDRESS_SANITIZER) |
101 return 0; | 101 return 0; |
102 #else | 102 #else |
103 // AddressSanitizer bloats the stack approximately 2x. Default stack size of | 103 // AddressSanitizer bloats the stack approximately 2x. Default stack size of |
104 // 1Mb is not enough for some tests (see http://crbug.com/263749 for example). | 104 // 1Mb is not enough for some tests (see http://crbug.com/263749 for example). |
105 return 2 * (1 << 20); // 2Mb | 105 return 2 * (1 << 20); // 2Mb |
106 #endif | 106 #endif |
107 } | 107 } |
108 | 108 |
109 bool RegisterThreadUtils(JNIEnv* env) { | 109 bool RegisterThreadUtils(JNIEnv* env) { |
110 return RegisterNativesImpl(env); | 110 return RegisterNativesImpl(env); |
111 } | 111 } |
112 | 112 |
113 } // namespace base | 113 } // namespace base |
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