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// Copyright (c) 2012 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>
#include <mach/mach_host.h>
#include <mach/mach_init.h>
#include <sys/sysctl.h>
#include <sys/types.h>
#include "base/logging.h"
#include "base/mac/scoped_mach_port.h"
#include "base/stringprintf.h"
namespace base {
// static
std::string SysInfo::OperatingSystemName() {
return "Mac OS X";
}
// static
std::string SysInfo::OperatingSystemVersion() {
int32 major, minor, bugfix;
OperatingSystemVersionNumbers(&major, &minor, &bugfix);
return base::StringPrintf("%d.%d.%d", major, minor, bugfix);
}
// static
void SysInfo::OperatingSystemVersionNumbers(int32* major_version,
int32* minor_version,
int32* bugfix_version) {
Gestalt(gestaltSystemVersionMajor,
reinterpret_cast<SInt32*>(major_version));
Gestalt(gestaltSystemVersionMinor,
reinterpret_cast<SInt32*>(minor_version));
Gestalt(gestaltSystemVersionBugFix,
reinterpret_cast<SInt32*>(bugfix_version));
}
// static
int64 SysInfo::AmountOfPhysicalMemory() {
struct host_basic_info hostinfo;
mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
base::mac::ScopedMachPort host(mach_host_self());
int result = host_info(host,
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>(hostinfo.max_mem);
}
// static
int64 SysInfo::AmountOfAvailablePhysicalMemory() {
base::mac::ScopedMachPort 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>(
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();
}
} // namespace base
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