| // 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) |