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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/process/internal_linux.h" | 5 #include "base/process/internal_linux.h" |
6 | 6 |
7 #include <limits.h> | 7 #include <limits.h> |
8 #include <unistd.h> | 8 #include <unistd.h> |
9 | 9 |
10 #include <map> | 10 #include <map> |
11 #include <string> | 11 #include <string> |
12 #include <vector> | 12 #include <vector> |
13 | 13 |
14 #include "base/files/file_util.h" | 14 #include "base/files/file_util.h" |
15 #include "base/logging.h" | 15 #include "base/logging.h" |
16 #include "base/strings/string_number_conversions.h" | 16 #include "base/strings/string_number_conversions.h" |
17 #include "base/strings/string_split.h" | 17 #include "base/strings/string_split.h" |
18 #include "base/strings/string_util.h" | 18 #include "base/strings/string_util.h" |
19 #include "base/threading/thread_restrictions.h" | 19 #include "base/threading/thread_restrictions.h" |
20 #include "base/time/time.h" | 20 #include "base/time/time.h" |
21 | 21 |
| 22 // Not defined on AIX by default. |
| 23 #if defined(OS_AIX) |
| 24 #define NAME_MAX 255 |
| 25 #endif |
| 26 |
22 namespace base { | 27 namespace base { |
23 namespace internal { | 28 namespace internal { |
24 | 29 |
25 const char kProcDir[] = "/proc"; | 30 const char kProcDir[] = "/proc"; |
26 | 31 |
27 const char kStatFile[] = "stat"; | 32 const char kStatFile[] = "stat"; |
28 | 33 |
29 FilePath GetProcPidDir(pid_t pid) { | 34 FilePath GetProcPidDir(pid_t pid) { |
30 return FilePath(kProcDir).Append(IntToString(pid)); | 35 return FilePath(kProcDir).Append(IntToString(pid)); |
31 } | 36 } |
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217 // which means the answer is 100. | 222 // which means the answer is 100. |
218 // It may be the case that this value is always 100. | 223 // It may be the case that this value is always 100. |
219 static const int kHertz = sysconf(_SC_CLK_TCK); | 224 static const int kHertz = sysconf(_SC_CLK_TCK); |
220 | 225 |
221 return TimeDelta::FromMicroseconds( | 226 return TimeDelta::FromMicroseconds( |
222 Time::kMicrosecondsPerSecond * clock_ticks / kHertz); | 227 Time::kMicrosecondsPerSecond * clock_ticks / kHertz); |
223 } | 228 } |
224 | 229 |
225 } // namespace internal | 230 } // namespace internal |
226 } // namespace base | 231 } // namespace base |
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