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Issue 1498003003: Remove kint64max. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: INT64_MAX Created 5 years ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "base/sys_info.h" 5 #include "base/sys_info.h"
6 6
7 #include <limits> 7 #include <limits>
8 8
9 #include "base/files/file_util.h" 9 #include "base/files/file_util.h"
10 #include "base/lazy_instance.h" 10 #include "base/lazy_instance.h"
11 #include "base/logging.h" 11 #include "base/logging.h"
12 #include "base/numerics/safe_conversions.h" 12 #include "base/numerics/safe_conversions.h"
13 #include "base/strings/string_number_conversions.h" 13 #include "base/strings/string_number_conversions.h"
14 #include "base/sys_info_internal.h" 14 #include "base/sys_info_internal.h"
15 15
16 namespace { 16 namespace {
17 17
18 int64 AmountOfMemory(int pages_name) { 18 int64_t AmountOfMemory(int pages_name) {
19 long pages = sysconf(pages_name); 19 long pages = sysconf(pages_name);
20 long page_size = sysconf(_SC_PAGESIZE); 20 long page_size = sysconf(_SC_PAGESIZE);
21 if (pages == -1 || page_size == -1) { 21 if (pages == -1 || page_size == -1) {
22 NOTREACHED(); 22 NOTREACHED();
23 return 0; 23 return 0;
24 } 24 }
25 return static_cast<int64>(pages) * page_size; 25 return static_cast<int64_t>(pages) * page_size;
26 } 26 }
27 27
28 int64 AmountOfPhysicalMemory() { 28 int64_t AmountOfPhysicalMemory() {
29 return AmountOfMemory(_SC_PHYS_PAGES); 29 return AmountOfMemory(_SC_PHYS_PAGES);
30 } 30 }
31 31
32 uint64 MaxSharedMemorySize() { 32 uint64_t MaxSharedMemorySize() {
33 std::string contents; 33 std::string contents;
34 base::ReadFileToString(base::FilePath("/proc/sys/kernel/shmmax"), &contents); 34 base::ReadFileToString(base::FilePath("/proc/sys/kernel/shmmax"), &contents);
35 DCHECK(!contents.empty()); 35 DCHECK(!contents.empty());
36 if (!contents.empty() && contents[contents.length() - 1] == '\n') { 36 if (!contents.empty() && contents[contents.length() - 1] == '\n') {
37 contents.erase(contents.length() - 1); 37 contents.erase(contents.length() - 1);
38 } 38 }
39 39
40 uint64 limit; 40 uint64_t limit;
41 if (!base::StringToUint64(contents, &limit)) { 41 if (!base::StringToUint64(contents, &limit)) {
42 limit = 0; 42 limit = 0;
43 } 43 }
44 DCHECK_GT(limit, 0u); 44 DCHECK_GT(limit, 0u);
45 return limit; 45 return limit;
46 } 46 }
47 47
48 base::LazyInstance< 48 base::LazyInstance<
49 base::internal::LazySysInfoValue<int64, AmountOfPhysicalMemory> >::Leaky 49 base::internal::LazySysInfoValue<int64_t, AmountOfPhysicalMemory>>::Leaky
50 g_lazy_physical_memory = LAZY_INSTANCE_INITIALIZER; 50 g_lazy_physical_memory = LAZY_INSTANCE_INITIALIZER;
51 base::LazyInstance< 51 base::LazyInstance<
52 base::internal::LazySysInfoValue<uint64, MaxSharedMemorySize> >::Leaky 52 base::internal::LazySysInfoValue<uint64_t, MaxSharedMemorySize>>::Leaky
53 g_lazy_max_shared_memory = LAZY_INSTANCE_INITIALIZER; 53 g_lazy_max_shared_memory = LAZY_INSTANCE_INITIALIZER;
54 54
55 } // namespace 55 } // namespace
56 56
57 namespace base { 57 namespace base {
58 58
59 // static 59 // static
60 int64 SysInfo::AmountOfAvailablePhysicalMemory() { 60 int64_t SysInfo::AmountOfAvailablePhysicalMemory() {
61 return AmountOfMemory(_SC_AVPHYS_PAGES); 61 return AmountOfMemory(_SC_AVPHYS_PAGES);
62 } 62 }
63 63
64 // static 64 // static
65 int64 SysInfo::AmountOfPhysicalMemory() { 65 int64_t SysInfo::AmountOfPhysicalMemory() {
66 return g_lazy_physical_memory.Get().value(); 66 return g_lazy_physical_memory.Get().value();
67 } 67 }
68 68
69 // static 69 // static
70 uint64 SysInfo::MaxSharedMemorySize() { 70 uint64_t SysInfo::MaxSharedMemorySize() {
71 return g_lazy_max_shared_memory.Get().value(); 71 return g_lazy_max_shared_memory.Get().value();
72 } 72 }
73 73
74 // static 74 // static
75 std::string SysInfo::CPUModelName() { 75 std::string SysInfo::CPUModelName() {
76 #if defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL) 76 #if defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL)
77 const char kCpuModelPrefix[] = "Hardware"; 77 const char kCpuModelPrefix[] = "Hardware";
78 #else 78 #else
79 const char kCpuModelPrefix[] = "model name"; 79 const char kCpuModelPrefix[] = "model name";
80 #endif 80 #endif
81 std::string contents; 81 std::string contents;
82 ReadFileToString(FilePath("/proc/cpuinfo"), &contents); 82 ReadFileToString(FilePath("/proc/cpuinfo"), &contents);
83 DCHECK(!contents.empty()); 83 DCHECK(!contents.empty());
84 if (!contents.empty()) { 84 if (!contents.empty()) {
85 std::istringstream iss(contents); 85 std::istringstream iss(contents);
86 std::string line; 86 std::string line;
87 while (std::getline(iss, line)) { 87 while (std::getline(iss, line)) {
88 if (line.compare(0, strlen(kCpuModelPrefix), kCpuModelPrefix) == 0) { 88 if (line.compare(0, strlen(kCpuModelPrefix), kCpuModelPrefix) == 0) {
89 size_t pos = line.find(": "); 89 size_t pos = line.find(": ");
90 return line.substr(pos + 2); 90 return line.substr(pos + 2);
91 } 91 }
92 } 92 }
93 } 93 }
94 return std::string(); 94 return std::string();
95 } 95 }
96 96
97 } // namespace base 97 } // namespace base
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