blob: cbc66f48cef30dec04f88af90b1260d87df8aed3 [file] [log] [blame] [edit]
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "vm/globals.h"
#if defined(HOST_OS_MACOS)
#include "vm/cpuinfo.h"
#include <errno.h> // NOLINT
#include <sys/sysctl.h> // NOLINT
#include <sys/types.h> // NOLINT
#include "platform/assert.h"
namespace dart {
CpuInfoMethod CpuInfo::method_ = kCpuInfoDefault;
const char* CpuInfo::fields_[kCpuInfoMax] = {0};
void CpuInfo::Init() {
method_ = kCpuInfoSystem;
fields_[kCpuInfoProcessor] = "machdep.cpu.vendor";
fields_[kCpuInfoModel] = "machdep.cpu.brand_string";
fields_[kCpuInfoHardware] = "machdep.cpu.brand_string";
fields_[kCpuInfoFeatures] = "machdep.cpu.features";
fields_[kCpuInfoArchitecture] = NULL;
}
void CpuInfo::Cleanup() {}
bool CpuInfo::FieldContains(CpuInfoIndices idx, const char* search_string) {
ASSERT(method_ != kCpuInfoDefault);
ASSERT(search_string != NULL);
const char* field = FieldName(idx);
char dest[1024];
size_t dest_len = 1024;
ASSERT(HasField(field));
if (sysctlbyname(field, dest, &dest_len, NULL, 0) != 0) {
UNREACHABLE();
return false;
}
return (strcasestr(dest, search_string) != NULL);
}
const char* CpuInfo::ExtractField(CpuInfoIndices idx) {
ASSERT(method_ != kCpuInfoDefault);
const char* field = FieldName(idx);
ASSERT(field != NULL);
size_t result_len;
ASSERT(HasField(field));
if (sysctlbyname(field, NULL, &result_len, NULL, 0) != 0) {
UNREACHABLE();
return 0;
}
char* result = reinterpret_cast<char*>(malloc(result_len));
if (sysctlbyname(field, result, &result_len, NULL, 0) != 0) {
UNREACHABLE();
return 0;
}
return result;
}
bool CpuInfo::HasField(const char* field) {
ASSERT(method_ != kCpuInfoDefault);
ASSERT(field != NULL);
int ret = sysctlbyname(field, NULL, NULL, NULL, 0);
return (ret == 0);
}
} // namespace dart
#endif // defined(HOST_OS_MACOS)