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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #ifndef BASE_SYS_INFO_H_ | 5 #ifndef BASE_SYS_INFO_H_ |
6 #define BASE_SYS_INFO_H_ | 6 #define BASE_SYS_INFO_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
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86 // Avoid using this. Use base/cpu.h to get information about the CPU instead. | 86 // Avoid using this. Use base/cpu.h to get information about the CPU instead. |
87 // http://crbug.com/148884 | 87 // http://crbug.com/148884 |
88 // Returns the CPU model name of the system. If it can not be figured out, | 88 // Returns the CPU model name of the system. If it can not be figured out, |
89 // an empty string is returned. | 89 // an empty string is returned. |
90 static std::string CPUModelName(); | 90 static std::string CPUModelName(); |
91 | 91 |
92 // Return the smallest amount of memory (in bytes) which the VM system will | 92 // Return the smallest amount of memory (in bytes) which the VM system will |
93 // allocate. | 93 // allocate. |
94 static size_t VMAllocationGranularity(); | 94 static size_t VMAllocationGranularity(); |
95 | 95 |
96 #if defined(OS_POSIX) && !defined(OS_MACOSX) | |
97 // Returns the maximum SysV shared memory segment size, or zero if there is no | |
98 // limit. | |
99 static uint64_t MaxSharedMemorySize(); | |
100 #endif // defined(OS_POSIX) && !defined(OS_MACOSX) | |
101 | |
102 #if defined(OS_CHROMEOS) | 96 #if defined(OS_CHROMEOS) |
103 typedef std::map<std::string, std::string> LsbReleaseMap; | 97 typedef std::map<std::string, std::string> LsbReleaseMap; |
104 | 98 |
105 // Returns the contents of /etc/lsb-release as a map. | 99 // Returns the contents of /etc/lsb-release as a map. |
106 static const LsbReleaseMap& GetLsbReleaseMap(); | 100 static const LsbReleaseMap& GetLsbReleaseMap(); |
107 | 101 |
108 // If |key| is present in the LsbReleaseMap, sets |value| and returns true. | 102 // If |key| is present in the LsbReleaseMap, sets |value| and returns true. |
109 static bool GetLsbReleaseValue(const std::string& key, std::string* value); | 103 static bool GetLsbReleaseValue(const std::string& key, std::string* value); |
110 | 104 |
111 // Convenience function for GetLsbReleaseValue("CHROMEOS_RELEASE_BOARD",...). | 105 // Convenience function for GetLsbReleaseValue("CHROMEOS_RELEASE_BOARD",...). |
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137 | 131 |
138 // Returns true if this is a low-end device. | 132 // Returns true if this is a low-end device. |
139 // Low-end device refers to devices having less than 512M memory in the | 133 // Low-end device refers to devices having less than 512M memory in the |
140 // current implementation. | 134 // current implementation. |
141 static bool IsLowEndDevice(); | 135 static bool IsLowEndDevice(); |
142 }; | 136 }; |
143 | 137 |
144 } // namespace base | 138 } // namespace base |
145 | 139 |
146 #endif // BASE_SYS_INFO_H_ | 140 #endif // BASE_SYS_INFO_H_ |
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