stuartmorgan@chromium.org | 56f1efd | 2011-05-26 05:53:18 +0900 | [diff] [blame] | 1 | // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
deanm@chromium.org | 42a34eb | 2008-09-17 19:09:39 +0900 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "base/sys_info.h" |
| 6 | |
| 7 | #include <errno.h> |
| 8 | #include <string.h> |
evan@chromium.org | 875bb6e | 2009-12-29 09:32:52 +0900 | [diff] [blame] | 9 | #include <sys/param.h> |
mark@chromium.org | b93c054 | 2008-09-30 07:18:01 +0900 | [diff] [blame] | 10 | #include <sys/utsname.h> |
deanm@chromium.org | 42a34eb | 2008-09-17 19:09:39 +0900 | [diff] [blame] | 11 | #include <unistd.h> |
| 12 | |
brettw@chromium.org | 50c9465 | 2009-10-07 11:10:20 +0900 | [diff] [blame] | 13 | #include "base/basictypes.h" |
| 14 | #include "base/file_util.h" |
deanm@chromium.org | 42a34eb | 2008-09-17 19:09:39 +0900 | [diff] [blame] | 15 | #include "base/logging.h" |
brettw@chromium.org | 50c9465 | 2009-10-07 11:10:20 +0900 | [diff] [blame] | 16 | #include "base/utf_string_conversions.h" |
deanm@chromium.org | 42a34eb | 2008-09-17 19:09:39 +0900 | [diff] [blame] | 17 | |
michaelbai@google.com | 2251c62 | 2011-06-22 07:34:50 +0900 | [diff] [blame] | 18 | #if defined(OS_ANDROID) |
| 19 | #include <sys/vfs.h> |
| 20 | #define statvfs statfs // Android uses a statvfs-like statfs struct and call. |
| 21 | #else |
| 22 | #include <sys/statvfs.h> |
michaelbai@google.com | 2251c62 | 2011-06-22 07:34:50 +0900 | [diff] [blame] | 23 | #endif |
| 24 | |
deanm@chromium.org | 42a34eb | 2008-09-17 19:09:39 +0900 | [diff] [blame] | 25 | namespace base { |
| 26 | |
evan@chromium.org | fae7268 | 2009-11-24 06:57:11 +0900 | [diff] [blame] | 27 | #if !defined(OS_OPENBSD) |
deanm@chromium.org | 42a34eb | 2008-09-17 19:09:39 +0900 | [diff] [blame] | 28 | int SysInfo::NumberOfProcessors() { |
| 29 | // It seems that sysconf returns the number of "logical" processors on both |
evan@chromium.org | fae7268 | 2009-11-24 06:57:11 +0900 | [diff] [blame] | 30 | // Mac and Linux. So we get the number of "online logical" processors. |
jeremy@chromium.org | 92b13a1 | 2009-07-02 22:59:08 +0900 | [diff] [blame] | 31 | long res = sysconf(_SC_NPROCESSORS_ONLN); |
deanm@chromium.org | 42a34eb | 2008-09-17 19:09:39 +0900 | [diff] [blame] | 32 | if (res == -1) { |
| 33 | NOTREACHED(); |
| 34 | return 1; |
| 35 | } |
| 36 | |
| 37 | return static_cast<int>(res); |
deanm@chromium.org | 319f044 | 2008-09-17 22:10:45 +0900 | [diff] [blame] | 38 | } |
evan@chromium.org | 84b05b8 | 2009-11-12 11:17:19 +0900 | [diff] [blame] | 39 | #endif |
deanm@chromium.org | 319f044 | 2008-09-17 22:10:45 +0900 | [diff] [blame] | 40 | |
deanm@chromium.org | ee45e8f | 2008-09-18 21:34:24 +0900 | [diff] [blame] | 41 | // static |
tony@chromium.org | 1e25e00 | 2009-10-14 09:41:56 +0900 | [diff] [blame] | 42 | int64 SysInfo::AmountOfFreeDiskSpace(const FilePath& path) { |
deanm@chromium.org | ee45e8f | 2008-09-18 21:34:24 +0900 | [diff] [blame] | 43 | struct statvfs stats; |
tony@chromium.org | 1e25e00 | 2009-10-14 09:41:56 +0900 | [diff] [blame] | 44 | if (statvfs(path.value().c_str(), &stats) != 0) { |
rvargas@google.com | af00029 | 2008-09-20 10:16:23 +0900 | [diff] [blame] | 45 | return -1; |
deanm@chromium.org | ee45e8f | 2008-09-18 21:34:24 +0900 | [diff] [blame] | 46 | } |
| 47 | return static_cast<int64>(stats.f_bavail) * stats.f_frsize; |
| 48 | } |
| 49 | |
stuartmorgan@chromium.org | 56f1efd | 2011-05-26 05:53:18 +0900 | [diff] [blame] | 50 | #if !defined(OS_MACOSX) |
mark@chromium.org | b93c054 | 2008-09-30 07:18:01 +0900 | [diff] [blame] | 51 | // static |
mark@chromium.org | b93c054 | 2008-09-30 07:18:01 +0900 | [diff] [blame] | 52 | std::string SysInfo::OperatingSystemName() { |
chromium@hybridsource.org | 8f85a6a | 2011-06-25 13:54:41 +0900 | [diff] [blame^] | 53 | struct utsname info; |
mark@chromium.org | b93c054 | 2008-09-30 07:18:01 +0900 | [diff] [blame] | 54 | if (uname(&info) < 0) { |
| 55 | NOTREACHED(); |
| 56 | return ""; |
| 57 | } |
| 58 | return std::string(info.sysname); |
| 59 | } |
| 60 | |
| 61 | // static |
| 62 | std::string SysInfo::OperatingSystemVersion() { |
chromium@hybridsource.org | 8f85a6a | 2011-06-25 13:54:41 +0900 | [diff] [blame^] | 63 | struct utsname info; |
mark@chromium.org | b93c054 | 2008-09-30 07:18:01 +0900 | [diff] [blame] | 64 | if (uname(&info) < 0) { |
| 65 | NOTREACHED(); |
| 66 | return ""; |
| 67 | } |
| 68 | return std::string(info.release); |
| 69 | } |
stuartmorgan@chromium.org | 56f1efd | 2011-05-26 05:53:18 +0900 | [diff] [blame] | 70 | #endif |
mark@chromium.org | b93c054 | 2008-09-30 07:18:01 +0900 | [diff] [blame] | 71 | |
| 72 | // static |
| 73 | std::string SysInfo::CPUArchitecture() { |
chromium@hybridsource.org | 8f85a6a | 2011-06-25 13:54:41 +0900 | [diff] [blame^] | 74 | struct utsname info; |
mark@chromium.org | b93c054 | 2008-09-30 07:18:01 +0900 | [diff] [blame] | 75 | if (uname(&info) < 0) { |
| 76 | NOTREACHED(); |
| 77 | return ""; |
| 78 | } |
| 79 | return std::string(info.machine); |
| 80 | } |
| 81 | |
agl@chromium.org | 3d71fda | 2009-01-22 10:42:15 +0900 | [diff] [blame] | 82 | // static |
| 83 | size_t SysInfo::VMAllocationGranularity() { |
| 84 | return getpagesize(); |
| 85 | } |
| 86 | |
deanm@chromium.org | 42a34eb | 2008-09-17 19:09:39 +0900 | [diff] [blame] | 87 | } // namespace base |