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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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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 {kThreadPriority_RealtimeAudio, -16}, |
42 {kThreadPriority_Background, 10}, | 42 {kThreadPriority_Background, 10}, |
43 {kThreadPriority_Normal, 0}, | 43 {kThreadPriority_Normal, 0}, |
44 {kThreadPriority_Display, -6}, | 44 {kThreadPriority_Display, -6}, |
45 }; | 45 }; |
46 | 46 |
47 bool HandleSetThreadPriorityForPlatform(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 == kThreadPriority_RealtimeAudio) { |
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, |
| 60 ThreadPriority* priority) { |
| 61 NOTIMPLEMENTED(); |
| 62 return false; |
| 63 } |
| 64 |
59 } // namespace internal | 65 } // namespace internal |
60 | 66 |
61 void PlatformThread::SetName(const char* name) { | 67 void PlatformThread::SetName(const char* name) { |
62 ThreadIdNameManager::GetInstance()->SetName(CurrentId(), name); | 68 ThreadIdNameManager::GetInstance()->SetName(CurrentId(), name); |
63 tracked_objects::ThreadData::InitializeThreadContext(name); | 69 tracked_objects::ThreadData::InitializeThreadContext(name); |
64 | 70 |
65 // Like linux, on android we can get the thread names to show up in the | 71 // Like linux, on android we can get the thread names to show up in the |
66 // debugger by setting the process name for the LWP. | 72 // debugger by setting the process name for the LWP. |
67 // We don't want to do this for the main thread because that would rename | 73 // We don't want to do this for the main thread because that would rename |
68 // the process, causing tools like killall to stop working. | 74 // the process, causing tools like killall to stop working. |
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98 // 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). |
99 return 2 * (1 << 20); // 2Mb | 105 return 2 * (1 << 20); // 2Mb |
100 #endif | 106 #endif |
101 } | 107 } |
102 | 108 |
103 bool RegisterThreadUtils(JNIEnv* env) { | 109 bool RegisterThreadUtils(JNIEnv* env) { |
104 return RegisterNativesImpl(env); | 110 return RegisterNativesImpl(env); |
105 } | 111 } |
106 | 112 |
107 } // namespace base | 113 } // namespace base |
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