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1 // Copyright (c) 2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2008 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/sys_info.h" | 5 #include "base/sys_info.h" |
6 #include "base/basictypes.h" | 6 #include "base/basictypes.h" |
7 | 7 |
8 #include <errno.h> | 8 #include <errno.h> |
9 #include <string.h> | 9 #include <string.h> |
10 #include <sys/statvfs.h> | 10 #include <sys/statvfs.h> |
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32 int ncpu; | 32 int ncpu; |
33 size_t size = sizeof(ncpu); | 33 size_t size = sizeof(ncpu); |
34 if (sysctl(mib, 2, &ncpu, &size, NULL, 0) == -1) { | 34 if (sysctl(mib, 2, &ncpu, &size, NULL, 0) == -1) { |
35 NOTREACHED(); | 35 NOTREACHED(); |
36 return 1; | 36 return 1; |
37 } | 37 } |
38 return ncpu; | 38 return ncpu; |
39 #else | 39 #else |
40 // It seems that sysconf returns the number of "logical" processors on both | 40 // It seems that sysconf returns the number of "logical" processors on both |
41 // mac and linux. So we get the number of "online logical" processors. | 41 // mac and linux. So we get the number of "online logical" processors. |
42 static long res = sysconf(_SC_NPROCESSORS_ONLN); | 42 long res = sysconf(_SC_NPROCESSORS_ONLN); |
43 if (res == -1) { | 43 if (res == -1) { |
44 NOTREACHED(); | 44 NOTREACHED(); |
45 return 1; | 45 return 1; |
46 } | 46 } |
47 | 47 |
48 return static_cast<int>(res); | 48 return static_cast<int>(res); |
49 #endif | 49 #endif |
50 } | 50 } |
51 | 51 |
52 // static | 52 // static |
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144 NOTIMPLEMENTED(); | 144 NOTIMPLEMENTED(); |
145 return 1; | 145 return 1; |
146 } | 146 } |
147 | 147 |
148 // static | 148 // static |
149 size_t SysInfo::VMAllocationGranularity() { | 149 size_t SysInfo::VMAllocationGranularity() { |
150 return getpagesize(); | 150 return getpagesize(); |
151 } | 151 } |
152 | 152 |
153 } // namespace base | 153 } // namespace base |
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