diff options
Diffstat (limited to 'ipc/chromium/src/base/sys_info_win.cc')
-rw-r--r-- | ipc/chromium/src/base/sys_info_win.cc | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/ipc/chromium/src/base/sys_info_win.cc b/ipc/chromium/src/base/sys_info_win.cc new file mode 100644 index 000000000..5fffd18e3 --- /dev/null +++ b/ipc/chromium/src/base/sys_info_win.cc @@ -0,0 +1,100 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +// Copyright (c) 2008 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 <windows.h> + +#include "base/logging.h" +#include "base/string_util.h" +#include "mozilla/UniquePtr.h" + +namespace base { + +// static +int SysInfo::NumberOfProcessors() { + SYSTEM_INFO info; + GetSystemInfo(&info); + return static_cast<int>(info.dwNumberOfProcessors); +} + +// static +int64_t SysInfo::AmountOfPhysicalMemory() { + MEMORYSTATUSEX memory_info; + memory_info.dwLength = sizeof(memory_info); + if (!GlobalMemoryStatusEx(&memory_info)) { + NOTREACHED(); + return 0; + } + + int64_t rv = static_cast<int64_t>(memory_info.ullTotalPhys); + if (rv < 0) + rv = kint64max; + return rv; +} + +// static +int64_t SysInfo::AmountOfFreeDiskSpace(const std::wstring& path) { + ULARGE_INTEGER available, total, free; + if (!GetDiskFreeSpaceExW(path.c_str(), &available, &total, &free)) { + return -1; + } + int64_t rv = static_cast<int64_t>(available.QuadPart); + if (rv < 0) + rv = kint64max; + return rv; +} + +// static +bool SysInfo::HasEnvVar(const wchar_t* var) { + return GetEnvironmentVariable(var, NULL, 0) != 0; +} + +// static +std::wstring SysInfo::GetEnvVar(const wchar_t* var) { + DWORD value_length = GetEnvironmentVariable(var, NULL, 0); + if (value_length == 0) { + return L""; + } + mozilla::UniquePtr<wchar_t[]> value(new wchar_t[value_length]); + GetEnvironmentVariable(var, value.get(), value_length); + return std::wstring(value.get()); +} + +// static +std::string SysInfo::OperatingSystemName() { + return "Windows NT"; +} + +// static +std::string SysInfo::CPUArchitecture() { + // TODO: Make this vary when we support any other architectures. + return "x86"; +} + +// static +void SysInfo::GetPrimaryDisplayDimensions(int* width, int* height) { + if (width) + *width = GetSystemMetrics(SM_CXSCREEN); + + if (height) + *height = GetSystemMetrics(SM_CYSCREEN); +} + +// static +int SysInfo::DisplayCount() { + return GetSystemMetrics(SM_CMONITORS); +} + +// static +size_t SysInfo::VMAllocationGranularity() { + SYSTEM_INFO sysinfo; + GetSystemInfo(&sysinfo); + + return sysinfo.dwAllocationGranularity; +} + +} // namespace base |