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07852532e3
Change-Id: I6dc02b3d9de16cc176eb97613bc0c7f0bb9b16eb Reviewed-on: https://dart-review.googlesource.com/77013 Commit-Queue: Ben Konyi <bkonyi@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Ryan Macnak <rmacnak@google.com> Auto-Submit: Ben Konyi <bkonyi@google.com>
80 lines
2 KiB
C++
80 lines
2 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/globals.h"
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#if defined(HOST_OS_MACOS)
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#include "vm/cpuinfo.h"
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#include <errno.h> // NOLINT
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#include <sys/sysctl.h> // NOLINT
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#include <sys/types.h> // NOLINT
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#include "platform/assert.h"
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namespace dart {
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CpuInfoMethod CpuInfo::method_ = kCpuInfoDefault;
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const char* CpuInfo::fields_[kCpuInfoMax] = {0};
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void CpuInfo::Init() {
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method_ = kCpuInfoSystem;
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fields_[kCpuInfoProcessor] = "machdep.cpu.vendor";
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fields_[kCpuInfoModel] = "machdep.cpu.brand_string";
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fields_[kCpuInfoHardware] = "machdep.cpu.brand_string";
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fields_[kCpuInfoFeatures] = "machdep.cpu.features";
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fields_[kCpuInfoArchitecture] = NULL;
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}
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void CpuInfo::Cleanup() {}
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bool CpuInfo::FieldContains(CpuInfoIndices idx, const char* search_string) {
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ASSERT(method_ != kCpuInfoDefault);
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ASSERT(search_string != NULL);
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const char* field = FieldName(idx);
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char dest[1024];
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size_t dest_len = 1024;
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ASSERT(HasField(field));
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if (sysctlbyname(field, dest, &dest_len, NULL, 0) != 0) {
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UNREACHABLE();
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return false;
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}
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return (strcasestr(dest, search_string) != NULL);
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}
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const char* CpuInfo::ExtractField(CpuInfoIndices idx) {
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ASSERT(method_ != kCpuInfoDefault);
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const char* field = FieldName(idx);
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ASSERT(field != NULL);
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size_t result_len;
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ASSERT(HasField(field));
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if (sysctlbyname(field, NULL, &result_len, NULL, 0) != 0) {
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UNREACHABLE();
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return 0;
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}
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char* result = reinterpret_cast<char*>(malloc(result_len));
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if (sysctlbyname(field, result, &result_len, NULL, 0) != 0) {
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UNREACHABLE();
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return 0;
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}
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return result;
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}
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bool CpuInfo::HasField(const char* field) {
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ASSERT(method_ != kCpuInfoDefault);
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ASSERT(field != NULL);
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int ret = sysctlbyname(field, NULL, NULL, NULL, 0);
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return (ret == 0);
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}
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} // namespace dart
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#endif // defined(HOST_OS_MACOS)
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