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Unified Diff: base/sys_info_posix.cc

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: base/sys_info_posix.cc
diff --git a/base/sys_info_posix.cc b/base/sys_info_posix.cc
deleted file mode 100644
index 3d49bf94da925d9032ecdefdb181ed6bc08bf38f..0000000000000000000000000000000000000000
--- a/base/sys_info_posix.cc
+++ /dev/null
@@ -1,144 +0,0 @@
-// Copyright (c) 2011 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/resource.h>
-#include <sys/utsname.h>
-#include <unistd.h>
-
-#include "base/basictypes.h"
-#include "base/files/file_util.h"
-#include "base/lazy_instance.h"
-#include "base/logging.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/sys_info_internal.h"
-#include "base/threading/thread_restrictions.h"
-
-#if defined(OS_ANDROID)
-#include <sys/vfs.h>
-#define statvfs statfs // Android uses a statvfs-like statfs struct and call.
-#else
-#include <sys/statvfs.h>
-#endif
-
-namespace {
-
-#if !defined(OS_OPENBSD)
-int NumberOfProcessors() {
- // sysconf returns the number of "logical" (not "physical") processors on both
- // Mac and Linux. So we get the number of max available "logical" processors.
- //
- // Note that the number of "currently online" processors may be fewer than the
- // returned value of NumberOfProcessors(). On some platforms, the kernel may
- // make some processors offline intermittently, to save power when system
- // loading is low.
- //
- // One common use case that needs to know the processor count is to create
- // optimal number of threads for optimization. It should make plan according
- // to the number of "max available" processors instead of "currently online"
- // ones. The kernel should be smart enough to make all processors online when
- // it has sufficient number of threads waiting to run.
- long res = sysconf(_SC_NPROCESSORS_CONF);
- if (res == -1) {
- NOTREACHED();
- return 1;
- }
-
- return static_cast<int>(res);
-}
-
-base::LazyInstance<
- base::internal::LazySysInfoValue<int, NumberOfProcessors> >::Leaky
- g_lazy_number_of_processors = LAZY_INSTANCE_INITIALIZER;
-#endif
-
-int64 AmountOfVirtualMemory() {
- struct rlimit limit;
- int result = getrlimit(RLIMIT_DATA, &limit);
- if (result != 0) {
- NOTREACHED();
- return 0;
- }
- return limit.rlim_cur == RLIM_INFINITY ? 0 : limit.rlim_cur;
-}
-
-base::LazyInstance<
- base::internal::LazySysInfoValue<int64, AmountOfVirtualMemory> >::Leaky
- g_lazy_virtual_memory = LAZY_INSTANCE_INITIALIZER;
-
-} // namespace
-
-namespace base {
-
-#if !defined(OS_OPENBSD)
-int SysInfo::NumberOfProcessors() {
- return g_lazy_number_of_processors.Get().value();
-}
-#endif
-
-// static
-int64 SysInfo::AmountOfVirtualMemory() {
- return g_lazy_virtual_memory.Get().value();
-}
-
-// static
-int64 SysInfo::AmountOfFreeDiskSpace(const FilePath& path) {
- base::ThreadRestrictions::AssertIOAllowed();
-
- struct statvfs stats;
- if (HANDLE_EINTR(statvfs(path.value().c_str(), &stats)) != 0)
- return -1;
- return static_cast<int64>(stats.f_bavail) * stats.f_frsize;
-}
-
-#if !defined(OS_MACOSX) && !defined(OS_ANDROID)
-// static
-std::string SysInfo::OperatingSystemName() {
- struct utsname info;
- if (uname(&info) < 0) {
- NOTREACHED();
- return std::string();
- }
- return std::string(info.sysname);
-}
-#endif
-
-#if !defined(OS_MACOSX) && !defined(OS_ANDROID)
-// static
-std::string SysInfo::OperatingSystemVersion() {
- struct utsname info;
- if (uname(&info) < 0) {
- NOTREACHED();
- return std::string();
- }
- return std::string(info.release);
-}
-#endif
-
-// static
-std::string SysInfo::OperatingSystemArchitecture() {
- struct utsname info;
- if (uname(&info) < 0) {
- NOTREACHED();
- return std::string();
- }
- std::string arch(info.machine);
- if (arch == "i386" || arch == "i486" || arch == "i586" || arch == "i686") {
- arch = "x86";
- } else if (arch == "amd64") {
- arch = "x86_64";
- }
- return arch;
-}
-
-// static
-size_t SysInfo::VMAllocationGranularity() {
- return getpagesize();
-}
-
-} // namespace base
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