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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "base/sys_info.h" | |
6 | |
7 #include <ApplicationServices/ApplicationServices.h> | |
8 #include <CoreServices/CoreServices.h> | |
9 #include <mach/mach_host.h> | |
10 #include <mach/mach_init.h> | |
11 #include <stddef.h> | |
12 #include <stdint.h> | |
13 #include <sys/sysctl.h> | |
14 #include <sys/types.h> | |
15 | |
16 #include "base/logging.h" | |
17 #include "base/mac/scoped_mach_port.h" | |
18 #include "base/macros.h" | |
19 #include "base/strings/stringprintf.h" | |
20 | |
21 namespace base { | |
22 | |
23 // static | |
24 std::string SysInfo::OperatingSystemName() { | |
25 return "Mac OS X"; | |
26 } | |
27 | |
28 // static | |
29 std::string SysInfo::OperatingSystemVersion() { | |
30 int32_t major, minor, bugfix; | |
31 OperatingSystemVersionNumbers(&major, &minor, &bugfix); | |
32 return base::StringPrintf("%d.%d.%d", major, minor, bugfix); | |
33 } | |
34 | |
35 // static | |
36 void SysInfo::OperatingSystemVersionNumbers(int32_t* major_version, | |
37 int32_t* minor_version, | |
38 int32_t* bugfix_version) { | |
39 Gestalt(gestaltSystemVersionMajor, | |
40 reinterpret_cast<SInt32*>(major_version)); | |
41 Gestalt(gestaltSystemVersionMinor, | |
42 reinterpret_cast<SInt32*>(minor_version)); | |
43 Gestalt(gestaltSystemVersionBugFix, | |
44 reinterpret_cast<SInt32*>(bugfix_version)); | |
45 } | |
46 | |
47 // static | |
48 int64_t SysInfo::AmountOfPhysicalMemory() { | |
49 struct host_basic_info hostinfo; | |
50 mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT; | |
51 base::mac::ScopedMachSendRight host(mach_host_self()); | |
52 int result = host_info(host.get(), | |
53 HOST_BASIC_INFO, | |
54 reinterpret_cast<host_info_t>(&hostinfo), | |
55 &count); | |
56 if (result != KERN_SUCCESS) { | |
57 NOTREACHED(); | |
58 return 0; | |
59 } | |
60 DCHECK_EQ(HOST_BASIC_INFO_COUNT, count); | |
61 return static_cast<int64_t>(hostinfo.max_mem); | |
62 } | |
63 | |
64 // static | |
65 int64_t SysInfo::AmountOfAvailablePhysicalMemory() { | |
66 base::mac::ScopedMachSendRight host(mach_host_self()); | |
67 vm_statistics_data_t vm_info; | |
68 mach_msg_type_number_t count = HOST_VM_INFO_COUNT; | |
69 | |
70 if (host_statistics(host.get(), | |
71 HOST_VM_INFO, | |
72 reinterpret_cast<host_info_t>(&vm_info), | |
73 &count) != KERN_SUCCESS) { | |
74 NOTREACHED(); | |
75 return 0; | |
76 } | |
77 | |
78 return static_cast<int64_t>(vm_info.free_count - vm_info.speculative_count) * | |
79 PAGE_SIZE; | |
80 } | |
81 | |
82 // static | |
83 std::string SysInfo::CPUModelName() { | |
84 char name[256]; | |
85 size_t len = arraysize(name); | |
86 if (sysctlbyname("machdep.cpu.brand_string", &name, &len, NULL, 0) == 0) | |
87 return name; | |
88 return std::string(); | |
89 } | |
90 | |
91 std::string SysInfo::HardwareModelName() { | |
92 char model[256]; | |
93 size_t len = sizeof(model); | |
94 if (sysctlbyname("hw.model", model, &len, NULL, 0) == 0) | |
95 return std::string(model, 0, len); | |
96 return std::string(); | |
97 } | |
98 | |
99 } // namespace base | |
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