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1 // Copyright (c) 2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2008 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 "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 | 9 |
10 #include <string> | 10 #include <string> |
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58 // width and height parameters. | 58 // width and height parameters. |
59 static void GetPrimaryDisplayDimensions(int* width, int* height); | 59 static void GetPrimaryDisplayDimensions(int* width, int* height); |
60 | 60 |
61 // Return the number of displays. | 61 // Return the number of displays. |
62 static int DisplayCount(); | 62 static int DisplayCount(); |
63 | 63 |
64 // Return the smallest amount of memory (in bytes) which the VM system will | 64 // Return the smallest amount of memory (in bytes) which the VM system will |
65 // allocate. | 65 // allocate. |
66 static size_t VMAllocationGranularity(); | 66 static size_t VMAllocationGranularity(); |
67 | 67 |
| 68 #if defined(OS_LINUX) |
| 69 // Returns the maximum SysV shared memory segment size. |
| 70 static size_t MaxSharedMemorySize(); |
| 71 #endif |
| 72 |
68 #if defined(OS_CHROMEOS) | 73 #if defined(OS_CHROMEOS) |
69 // Returns the name of the version entry we wish to look up in the | 74 // Returns the name of the version entry we wish to look up in the |
70 // Linux Standard Base release information file. | 75 // Linux Standard Base release information file. |
71 static std::string GetLinuxStandardBaseVersionKey(); | 76 static std::string GetLinuxStandardBaseVersionKey(); |
72 | 77 |
73 // Parses /etc/lsb-release to get version information for Google Chrome OS. | 78 // Parses /etc/lsb-release to get version information for Google Chrome OS. |
74 // Declared here so it can be exposed for unit testing. | 79 // Declared here so it can be exposed for unit testing. |
75 static void ParseLsbRelease(const std::string& lsb_release, | 80 static void ParseLsbRelease(const std::string& lsb_release, |
76 int32 *major_version, | 81 int32 *major_version, |
77 int32 *minor_version, | 82 int32 *minor_version, |
78 int32 *bugfix_version); | 83 int32 *bugfix_version); |
79 #endif | 84 #endif |
80 }; | 85 }; |
81 | 86 |
82 } // namespace base | 87 } // namespace base |
83 | 88 |
84 #endif // BASE_SYS_INFO_H_ | 89 #endif // BASE_SYS_INFO_H_ |
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