1// Copyright 2016 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#import <Foundation/Foundation.h> 10#include <mach/mach_host.h> 11#include <mach/mach_init.h> 12#include <stddef.h> 13#include <stdint.h> 14#include <sys/sysctl.h> 15#include <sys/types.h> 16 17#include "base/logging.h" 18#include "base/mac/mac_util.h" 19#include "base/mac/scoped_mach_port.h" 20#import "base/mac/sdk_forward_declarations.h" 21#include "base/macros.h" 22#include "base/strings/stringprintf.h" 23 24namespace base { 25 26// static 27std::string SysInfo::OperatingSystemName() { 28 return "Mac OS X"; 29} 30 31// static 32std::string SysInfo::OperatingSystemVersion() { 33 int32_t major, minor, bugfix; 34 OperatingSystemVersionNumbers(&major, &minor, &bugfix); 35 return base::StringPrintf("%d.%d.%d", major, minor, bugfix); 36} 37 38// static 39void SysInfo::OperatingSystemVersionNumbers(int32_t* major_version, 40 int32_t* minor_version, 41 int32_t* bugfix_version) { 42#if defined(MAC_OS_X_VERSION_10_10) 43 NSProcessInfo* processInfo = [NSProcessInfo processInfo]; 44 if ([processInfo respondsToSelector:@selector(operatingSystemVersion)]) { 45 NSOperatingSystemVersion version = [processInfo operatingSystemVersion]; 46 *major_version = version.majorVersion; 47 *minor_version = version.minorVersion; 48 *bugfix_version = version.patchVersion; 49 } else { 50#else 51 // Android buildbots are too old and have trouble using the forward 52 // declarations for some reason. Conditionally-compile the above block 53 // only when building on a more modern version of OS X. 54 if (true) { 55#endif 56 // -[NSProcessInfo operatingSystemVersion] is documented available in 10.10. 57 // It's also available via a private API since 10.9.2. For the remaining 58 // cases in 10.9, rely on ::Gestalt(..). Since this code is only needed for 59 // 10.9.0 and 10.9.1 and uses the recommended replacement thereafter, 60 // suppress the warning for this fallback case. 61 DCHECK(base::mac::IsOSMavericks()); 62#pragma clang diagnostic push 63#pragma clang diagnostic ignored "-Wdeprecated-declarations" 64 Gestalt(gestaltSystemVersionMajor, 65 reinterpret_cast<SInt32*>(major_version)); 66 Gestalt(gestaltSystemVersionMinor, 67 reinterpret_cast<SInt32*>(minor_version)); 68 Gestalt(gestaltSystemVersionBugFix, 69 reinterpret_cast<SInt32*>(bugfix_version)); 70#pragma clang diagnostic pop 71 } 72} 73 74// static 75int64_t SysInfo::AmountOfPhysicalMemory() { 76 struct host_basic_info hostinfo; 77 mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT; 78 base::mac::ScopedMachSendRight host(mach_host_self()); 79 int result = host_info(host.get(), 80 HOST_BASIC_INFO, 81 reinterpret_cast<host_info_t>(&hostinfo), 82 &count); 83 if (result != KERN_SUCCESS) { 84 NOTREACHED(); 85 return 0; 86 } 87 DCHECK_EQ(HOST_BASIC_INFO_COUNT, count); 88 return static_cast<int64_t>(hostinfo.max_mem); 89} 90 91// static 92int64_t SysInfo::AmountOfAvailablePhysicalMemory() { 93 base::mac::ScopedMachSendRight host(mach_host_self()); 94 vm_statistics_data_t vm_info; 95 mach_msg_type_number_t count = HOST_VM_INFO_COUNT; 96 97 if (host_statistics(host.get(), 98 HOST_VM_INFO, 99 reinterpret_cast<host_info_t>(&vm_info), 100 &count) != KERN_SUCCESS) { 101 NOTREACHED(); 102 return 0; 103 } 104 105 return static_cast<int64_t>(vm_info.free_count - vm_info.speculative_count) * 106 PAGE_SIZE; 107} 108 109// static 110std::string SysInfo::CPUModelName() { 111 char name[256]; 112 size_t len = arraysize(name); 113 if (sysctlbyname("machdep.cpu.brand_string", &name, &len, NULL, 0) == 0) 114 return name; 115 return std::string(); 116} 117 118std::string SysInfo::HardwareModelName() { 119 char model[256]; 120 size_t len = sizeof(model); 121 if (sysctlbyname("hw.model", model, &len, NULL, 0) == 0) 122 return std::string(model, 0, len); 123 return std::string(); 124} 125 126} // namespace base 127