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
OperatingSystemName()24 std::string SysInfo::OperatingSystemName() {
25 return "Mac OS X";
26 }
27
28 // static
OperatingSystemVersion()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
OperatingSystemVersionNumbers(int32_t * major_version,int32_t * minor_version,int32_t * bugfix_version)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
AmountOfPhysicalMemory()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
AmountOfAvailablePhysicalMemory()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
CPUModelName()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
HardwareModelName()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
100