1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/sys_info.h"
#include <ApplicationServices/ApplicationServices.h>
#include <CoreServices/CoreServices.h>
#import <Foundation/Foundation.h>
#include <mach/mach_host.h>
#include <mach/mach_init.h>
#include <stddef.h>
#include <stdint.h>
#include <sys/sysctl.h>
#include <sys/types.h>
#include "base/logging.h"
#include "base/mac/mac_util.h"
#include "base/mac/scoped_mach_port.h"
#import "base/mac/sdk_forward_declarations.h"
#include "base/macros.h"
#include "base/strings/stringprintf.h"
namespace base {
// static
std::string SysInfo::OperatingSystemName() {
return "Mac OS X";
}
// static
std::string SysInfo::OperatingSystemVersion() {
int32_t major, minor, bugfix;
OperatingSystemVersionNumbers(&major, &minor, &bugfix);
return base::StringPrintf("%d.%d.%d", major, minor, bugfix);
}
// static
void SysInfo::OperatingSystemVersionNumbers(int32_t* major_version,
int32_t* minor_version,
int32_t* bugfix_version) {
NSProcessInfo* processInfo = [NSProcessInfo processInfo];
if ([processInfo respondsToSelector:@selector(operatingSystemVersion)]) {
NSOperatingSystemVersion version = [processInfo operatingSystemVersion];
*major_version = version.majorVersion;
*minor_version = version.minorVersion;
*bugfix_version = version.patchVersion;
} else {
// -[NSProcessInfo operatingSystemVersion] is documented available in 10.10.
// It's also available via a private API since 10.9.2. For the remaining
// cases in 10.9, rely on ::Gestalt(..). Since this code is only needed for
// 10.9.0 and 10.9.1 and uses the recommended replacement thereafter,
// suppress the warning for this fallback case.
DCHECK(base::mac::IsOS10_9());
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
Gestalt(gestaltSystemVersionMajor,
reinterpret_cast<SInt32*>(major_version));
Gestalt(gestaltSystemVersionMinor,
reinterpret_cast<SInt32*>(minor_version));
Gestalt(gestaltSystemVersionBugFix,
reinterpret_cast<SInt32*>(bugfix_version));
#pragma clang diagnostic pop
}
}
// static
int64_t SysInfo::AmountOfPhysicalMemory() {
struct host_basic_info hostinfo;
mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
base::mac::ScopedMachSendRight host(mach_host_self());
int result = host_info(host.get(),
HOST_BASIC_INFO,
reinterpret_cast<host_info_t>(&hostinfo),
&count);
if (result != KERN_SUCCESS) {
NOTREACHED();
return 0;
}
DCHECK_EQ(HOST_BASIC_INFO_COUNT, count);
return static_cast<int64_t>(hostinfo.max_mem);
}
// static
int64_t SysInfo::AmountOfAvailablePhysicalMemory() {
base::mac::ScopedMachSendRight host(mach_host_self());
vm_statistics_data_t vm_info;
mach_msg_type_number_t count = HOST_VM_INFO_COUNT;
if (host_statistics(host.get(),
HOST_VM_INFO,
reinterpret_cast<host_info_t>(&vm_info),
&count) != KERN_SUCCESS) {
NOTREACHED();
return 0;
}
return static_cast<int64_t>(vm_info.free_count - vm_info.speculative_count) *
PAGE_SIZE;
}
// static
std::string SysInfo::CPUModelName() {
char name[256];
size_t len = arraysize(name);
if (sysctlbyname("machdep.cpu.brand_string", &name, &len, NULL, 0) == 0)
return name;
return std::string();
}
std::string SysInfo::HardwareModelName() {
char model[256];
size_t len = sizeof(model);
if (sysctlbyname("hw.model", model, &len, NULL, 0) == 0)
return std::string(model, 0, len);
return std::string();
}
} // namespace base
|
