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Unified Diff: base/sys_info_linux.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_linux.cc
diff --git a/base/sys_info_linux.cc b/base/sys_info_linux.cc
deleted file mode 100644
index 1bbfe9c604e0f422efe4e990e8fab8d69f2df84b..0000000000000000000000000000000000000000
--- a/base/sys_info_linux.cc
+++ /dev/null
@@ -1,97 +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 <limits>
-
-#include "base/files/file_util.h"
-#include "base/lazy_instance.h"
-#include "base/logging.h"
-#include "base/numerics/safe_conversions.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/sys_info_internal.h"
-
-namespace {
-
-int64 AmountOfMemory(int pages_name) {
- long pages = sysconf(pages_name);
- long page_size = sysconf(_SC_PAGESIZE);
- if (pages == -1 || page_size == -1) {
- NOTREACHED();
- return 0;
- }
- return static_cast<int64>(pages) * page_size;
-}
-
-int64 AmountOfPhysicalMemory() {
- return AmountOfMemory(_SC_PHYS_PAGES);
-}
-
-uint64 MaxSharedMemorySize() {
- std::string contents;
- base::ReadFileToString(base::FilePath("/proc/sys/kernel/shmmax"), &contents);
- DCHECK(!contents.empty());
- if (!contents.empty() && contents[contents.length() - 1] == '\n') {
- contents.erase(contents.length() - 1);
- }
-
- uint64 limit;
- if (!base::StringToUint64(contents, &limit)) {
- limit = 0;
- }
- DCHECK_GT(limit, 0u);
- return limit;
-}
-
-base::LazyInstance<
- base::internal::LazySysInfoValue<int64, AmountOfPhysicalMemory> >::Leaky
- g_lazy_physical_memory = LAZY_INSTANCE_INITIALIZER;
-base::LazyInstance<
- base::internal::LazySysInfoValue<uint64, MaxSharedMemorySize> >::Leaky
- g_lazy_max_shared_memory = LAZY_INSTANCE_INITIALIZER;
-
-} // namespace
-
-namespace base {
-
-// static
-int64 SysInfo::AmountOfAvailablePhysicalMemory() {
- return AmountOfMemory(_SC_AVPHYS_PAGES);
-}
-
-// static
-int64 SysInfo::AmountOfPhysicalMemory() {
- return g_lazy_physical_memory.Get().value();
-}
-
-// static
-uint64 SysInfo::MaxSharedMemorySize() {
- return g_lazy_max_shared_memory.Get().value();
-}
-
-// static
-std::string SysInfo::CPUModelName() {
-#if defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL)
- const char kCpuModelPrefix[] = "Hardware";
-#else
- const char kCpuModelPrefix[] = "model name";
-#endif
- std::string contents;
- ReadFileToString(FilePath("/proc/cpuinfo"), &contents);
- DCHECK(!contents.empty());
- if (!contents.empty()) {
- std::istringstream iss(contents);
- std::string line;
- while (std::getline(iss, line)) {
- if (line.compare(0, strlen(kCpuModelPrefix), kCpuModelPrefix) == 0) {
- size_t pos = line.find(": ");
- return line.substr(pos + 2);
- }
- }
- }
- return std::string();
-}
-
-} // namespace base
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