89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/sys_info.h"
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#include <ApplicationServices/ApplicationServices.h>
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#include <CoreServices/CoreServices.h>
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#include <mach/mach_host.h>
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#include <mach/mach_init.h>
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#include <sys/sysctl.h>
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#include <sys/types.h>
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#include "base/logging.h"
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#include "base/mac/scoped_mach_port.h"
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#include "base/strings/stringprintf.h"
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namespace base {
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// static
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std::string SysInfo::OperatingSystemName() {
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return "Mac OS X";
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}
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// static
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std::string SysInfo::OperatingSystemVersion() {
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int32 major, minor, bugfix;
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OperatingSystemVersionNumbers(&major, &minor, &bugfix);
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return base::StringPrintf("%d.%d.%d", major, minor, bugfix);
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}
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// static
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void SysInfo::OperatingSystemVersionNumbers(int32* major_version,
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int32* minor_version,
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int32* bugfix_version) {
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Gestalt(gestaltSystemVersionMajor,
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reinterpret_cast<SInt32*>(major_version));
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Gestalt(gestaltSystemVersionMinor,
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reinterpret_cast<SInt32*>(minor_version));
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Gestalt(gestaltSystemVersionBugFix,
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reinterpret_cast<SInt32*>(bugfix_version));
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}
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// static
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int64 SysInfo::AmountOfPhysicalMemory() {
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struct host_basic_info hostinfo;
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mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
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base::mac::ScopedMachPort host(mach_host_self());
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int result = host_info(host,
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HOST_BASIC_INFO,
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reinterpret_cast<host_info_t>(&hostinfo),
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&count);
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if (result != KERN_SUCCESS) {
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NOTREACHED();
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return 0;
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}
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DCHECK_EQ(HOST_BASIC_INFO_COUNT, count);
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return static_cast<int64>(hostinfo.max_mem);
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}
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// static
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int64 SysInfo::AmountOfAvailablePhysicalMemory() {
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base::mac::ScopedMachPort host(mach_host_self());
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vm_statistics_data_t vm_info;
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mach_msg_type_number_t count = HOST_VM_INFO_COUNT;
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if (host_statistics(host.get(),
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HOST_VM_INFO,
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reinterpret_cast<host_info_t>(&vm_info),
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&count) != KERN_SUCCESS) {
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NOTREACHED();
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return 0;
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}
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return static_cast<int64>(
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vm_info.free_count - vm_info.speculative_count) * PAGE_SIZE;
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}
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// static
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std::string SysInfo::CPUModelName() {
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char name[256];
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size_t len = arraysize(name);
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if (sysctlbyname("machdep.cpu.brand_string", &name, &len, NULL, 0) == 0)
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return name;
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return std::string();
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}
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} // namespace base
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