| // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/sys_info.h" |
| |
| #include <errno.h> |
| #include <string.h> |
| #include <sys/param.h> |
| #include <sys/statvfs.h> |
| #include <sys/sysctl.h> |
| #include <sys/utsname.h> |
| #include <unistd.h> |
| |
| #if !defined(OS_MACOSX) |
| #include <gdk/gdk.h> |
| #endif |
| |
| #include "base/basictypes.h" |
| #include "base/file_util.h" |
| #include "base/logging.h" |
| #include "base/utf_string_conversions.h" |
| |
| namespace base { |
| |
| #if !defined(OS_OPENBSD) |
| int SysInfo::NumberOfProcessors() { |
| // It seems that sysconf returns the number of "logical" processors on both |
| // Mac and Linux. So we get the number of "online logical" processors. |
| long res = sysconf(_SC_NPROCESSORS_ONLN); |
| if (res == -1) { |
| NOTREACHED(); |
| return 1; |
| } |
| |
| return static_cast<int>(res); |
| } |
| #endif |
| |
| // static |
| int64 SysInfo::AmountOfFreeDiskSpace(const FilePath& path) { |
| struct statvfs stats; |
| if (statvfs(path.value().c_str(), &stats) != 0) { |
| return -1; |
| } |
| return static_cast<int64>(stats.f_bavail) * stats.f_frsize; |
| } |
| |
| // static |
| std::string SysInfo::OperatingSystemName() { |
| utsname info; |
| if (uname(&info) < 0) { |
| NOTREACHED(); |
| return ""; |
| } |
| return std::string(info.sysname); |
| } |
| |
| // static |
| std::string SysInfo::OperatingSystemVersion() { |
| utsname info; |
| if (uname(&info) < 0) { |
| NOTREACHED(); |
| return ""; |
| } |
| return std::string(info.release); |
| } |
| |
| // static |
| std::string SysInfo::CPUArchitecture() { |
| utsname info; |
| if (uname(&info) < 0) { |
| NOTREACHED(); |
| return ""; |
| } |
| return std::string(info.machine); |
| } |
| |
| #if !defined(OS_MACOSX) |
| // static |
| void SysInfo::GetPrimaryDisplayDimensions(int* width, int* height) { |
| // Note that Bad Things Happen if this isn't called from the UI thread, |
| // but also that there's no way to check that from here. :( |
| GdkScreen* screen = gdk_screen_get_default(); |
| if (width) |
| *width = gdk_screen_get_width(screen); |
| if (height) |
| *height = gdk_screen_get_height(screen); |
| } |
| |
| // static |
| int SysInfo::DisplayCount() { |
| // Note that Bad Things Happen if this isn't called from the UI thread, |
| // but also that there's no way to check that from here. :( |
| |
| // This query is kinda bogus for Linux -- do we want number of X screens? |
| // The number of monitors Xinerama has? We'll just use whatever GDK uses. |
| GdkScreen* screen = gdk_screen_get_default(); |
| return gdk_screen_get_n_monitors(screen); |
| } |
| #endif |
| |
| // static |
| size_t SysInfo::VMAllocationGranularity() { |
| return getpagesize(); |
| } |
| |
| } // namespace base |