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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /ipc/chromium/src/base/sys_info_posix.cc | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'ipc/chromium/src/base/sys_info_posix.cc')
-rw-r--r-- | ipc/chromium/src/base/sys_info_posix.cc | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/ipc/chromium/src/base/sys_info_posix.cc b/ipc/chromium/src/base/sys_info_posix.cc new file mode 100644 index 000000000..81ec78053 --- /dev/null +++ b/ipc/chromium/src/base/sys_info_posix.cc @@ -0,0 +1,158 @@ +/* -*- 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 "base/basictypes.h" + +#include <errno.h> +#include <string.h> +#ifndef ANDROID +#include <sys/statvfs.h> +#endif +#include <sys/utsname.h> +#include <unistd.h> + +#if defined(OS_MACOSX) +#include <mach/mach_host.h> +#include <mach/mach_init.h> +#endif + +#if defined(OS_NETBSD) +#include <sys/param.h> +#include <sys/sysctl.h> +#endif + +#include "base/logging.h" +#include "base/string_util.h" + +namespace base { + +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. +#ifdef _SC_NPROCESSORS_ONLN + static long res = sysconf(_SC_NPROCESSORS_ONLN); +#else + static long res = 1; +#endif + if (res == -1) { + NOTREACHED(); + return 1; + } + + return static_cast<int>(res); +} + +// static +int64_t SysInfo::AmountOfPhysicalMemory() { + // _SC_PHYS_PAGES is not part of POSIX and not available on OS X +#if defined(OS_MACOSX) + struct host_basic_info hostinfo; + mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT; + int result = host_info(mach_host_self(), + HOST_BASIC_INFO, + reinterpret_cast<host_info_t>(&hostinfo), + &count); + DCHECK_EQ(HOST_BASIC_INFO_COUNT, count); + if (result != KERN_SUCCESS) { + NOTREACHED(); + return 0; + } + + return static_cast<int64_t>(hostinfo.max_mem); +#elif defined(OS_NETBSD) + int mib[2]; + int rc; + int64_t memSize; + size_t len = sizeof(memSize); + + mib[0] = CTL_HW; + mib[1] = HW_PHYSMEM64; + rc = sysctl( mib, 2, &memSize, &len, NULL, 0 ); + if (-1 != rc) { + return memSize; + } + return 0; + +#else + long pages = sysconf(_SC_PHYS_PAGES); + long page_size = sysconf(_SC_PAGE_SIZE); + if (pages == -1 || page_size == -1) { + NOTREACHED(); + return 0; + } + + return static_cast<int64_t>(pages) * page_size; +#endif +} + +// static +int64_t SysInfo::AmountOfFreeDiskSpace(const std::wstring& path) { +#ifndef ANDROID + struct statvfs stats; + if (statvfs(WideToUTF8(path).c_str(), &stats) != 0) { + return -1; + } + return static_cast<int64_t>(stats.f_bavail) * stats.f_frsize; +#else + return -1; +#endif +} + +// static +bool SysInfo::HasEnvVar(const wchar_t* var) { + std::string var_utf8 = WideToUTF8(std::wstring(var)); + return getenv(var_utf8.c_str()) != NULL; +} + +// static +std::wstring SysInfo::GetEnvVar(const wchar_t* var) { + std::string var_utf8 = WideToUTF8(std::wstring(var)); + char* value = getenv(var_utf8.c_str()); + if (!value) { + return L""; + } else { + return UTF8ToWide(value); + } +} + +// static +std::string SysInfo::OperatingSystemName() { + utsname info; + if (uname(&info) < 0) { + NOTREACHED(); + return ""; + } + return std::string(info.sysname); +} + +// static +std::string SysInfo::CPUArchitecture() { + utsname info; + if (uname(&info) < 0) { + NOTREACHED(); + return ""; + } + return std::string(info.machine); +} + +// static +void SysInfo::GetPrimaryDisplayDimensions(int* width, int* height) { + NOTIMPLEMENTED(); +} + +// static +int SysInfo::DisplayCount() { + NOTIMPLEMENTED(); + return 1; +} + +// static +size_t SysInfo::VMAllocationGranularity() { + return getpagesize(); +} + +} // namespace base |