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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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/process/memory.h" | 5 #include "base/process/memory.h" |
6 | 6 |
7 #include <new> | 7 #include <new> |
8 | 8 |
9 #include "base/file_util.h" | 9 #include "base/file_util.h" |
10 #include "base/files/file_path.h" | 10 #include "base/files/file_path.h" |
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150 | 150 |
151 FilePath oom_path(internal::GetProcPidDir(process)); | 151 FilePath oom_path(internal::GetProcPidDir(process)); |
152 | 152 |
153 // Attempt to write the newer oom_score_adj file first. | 153 // Attempt to write the newer oom_score_adj file first. |
154 FilePath oom_file = oom_path.AppendASCII("oom_score_adj"); | 154 FilePath oom_file = oom_path.AppendASCII("oom_score_adj"); |
155 if (PathExists(oom_file)) { | 155 if (PathExists(oom_file)) { |
156 std::string score_str = IntToString(score); | 156 std::string score_str = IntToString(score); |
157 DVLOG(1) << "Adjusting oom_score_adj of " << process << " to " | 157 DVLOG(1) << "Adjusting oom_score_adj of " << process << " to " |
158 << score_str; | 158 << score_str; |
159 int score_len = static_cast<int>(score_str.length()); | 159 int score_len = static_cast<int>(score_str.length()); |
160 return (score_len == file_util::WriteFile(oom_file, | 160 return (score_len == WriteFile(oom_file, score_str.c_str(), score_len)); |
161 score_str.c_str(), | |
162 score_len)); | |
163 } | 161 } |
164 | 162 |
165 // If the oom_score_adj file doesn't exist, then we write the old | 163 // If the oom_score_adj file doesn't exist, then we write the old |
166 // style file and translate the oom_adj score to the range 0-15. | 164 // style file and translate the oom_adj score to the range 0-15. |
167 oom_file = oom_path.AppendASCII("oom_adj"); | 165 oom_file = oom_path.AppendASCII("oom_adj"); |
168 if (PathExists(oom_file)) { | 166 if (PathExists(oom_file)) { |
169 // Max score for the old oom_adj range. Used for conversion of new | 167 // Max score for the old oom_adj range. Used for conversion of new |
170 // values to old values. | 168 // values to old values. |
171 const int kMaxOldOomScore = 15; | 169 const int kMaxOldOomScore = 15; |
172 | 170 |
173 int converted_score = score * kMaxOldOomScore / kMaxOomScore; | 171 int converted_score = score * kMaxOldOomScore / kMaxOomScore; |
174 std::string score_str = IntToString(converted_score); | 172 std::string score_str = IntToString(converted_score); |
175 DVLOG(1) << "Adjusting oom_adj of " << process << " to " << score_str; | 173 DVLOG(1) << "Adjusting oom_adj of " << process << " to " << score_str; |
176 int score_len = static_cast<int>(score_str.length()); | 174 int score_len = static_cast<int>(score_str.length()); |
177 return (score_len == file_util::WriteFile(oom_file, | 175 return (score_len == WriteFile(oom_file, score_str.c_str(), score_len)); |
178 score_str.c_str(), | |
179 score_len)); | |
180 } | 176 } |
181 | 177 |
182 return false; | 178 return false; |
183 } | 179 } |
184 | 180 |
185 } // namespace base | 181 } // namespace base |
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