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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_info.h" | 5 #include "base/process_info.h" |
6 | 6 |
7 #include <sys/sysctl.h> | 7 #include <sys/sysctl.h> |
8 #include <sys/time.h> | 8 #include <sys/time.h> |
9 #include <unistd.h> | 9 #include <unistd.h> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
13 #include "base/time.h" | 13 #include "base/time/time.h" |
14 | 14 |
15 namespace { | 15 namespace { |
16 | 16 |
17 using base::Time; | 17 using base::Time; |
18 | 18 |
19 // Returns the process creation time, or NULL if an error occurred. | 19 // Returns the process creation time, or NULL if an error occurred. |
20 Time* ProcessCreationTimeInternal() { | 20 Time* ProcessCreationTimeInternal() { |
21 int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, getpid() }; | 21 int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, getpid() }; |
22 size_t len = 0; | 22 size_t len = 0; |
23 if (sysctl(mib, arraysize(mib), NULL, &len, NULL, 0) < 0) | 23 if (sysctl(mib, arraysize(mib), NULL, &len, NULL, 0) < 0) |
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34 | 34 |
35 namespace base { | 35 namespace base { |
36 | 36 |
37 //static | 37 //static |
38 const Time* CurrentProcessInfo::CreationTime() { | 38 const Time* CurrentProcessInfo::CreationTime() { |
39 static Time* process_creation_time = ProcessCreationTimeInternal(); | 39 static Time* process_creation_time = ProcessCreationTimeInternal(); |
40 return process_creation_time; | 40 return process_creation_time; |
41 } | 41 } |
42 | 42 |
43 } // namespace base | 43 } // namespace base |
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