mirror of
https://github.com/dart-lang/sdk
synced 2024-09-16 00:39:49 +00:00
1eae028526
Unfortunately we cannot enable -Wzero-as-null-pointer-constant because of zlib and icu headers we include. TEST=build Change-Id: I9ffd7d7e26f2b3dd616ce54d164b92e60a2366dc Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/293882 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Alexander Aprelev <aam@google.com>
80 lines
2 KiB
C++
80 lines
2 KiB
C++
// 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(DART_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] = {};
|
|
|
|
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] = nullptr;
|
|
}
|
|
|
|
void CpuInfo::Cleanup() {}
|
|
|
|
bool CpuInfo::FieldContains(CpuInfoIndices idx, const char* search_string) {
|
|
ASSERT(method_ != kCpuInfoDefault);
|
|
ASSERT(search_string != nullptr);
|
|
const char* field = FieldName(idx);
|
|
char dest[1024];
|
|
size_t dest_len = 1024;
|
|
|
|
ASSERT(HasField(field));
|
|
if (sysctlbyname(field, dest, &dest_len, nullptr, 0) != 0) {
|
|
UNREACHABLE();
|
|
return false;
|
|
}
|
|
|
|
return (strcasestr(dest, search_string) != nullptr);
|
|
}
|
|
|
|
const char* CpuInfo::ExtractField(CpuInfoIndices idx) {
|
|
ASSERT(method_ != kCpuInfoDefault);
|
|
const char* field = FieldName(idx);
|
|
ASSERT(field != nullptr);
|
|
size_t result_len;
|
|
|
|
ASSERT(HasField(field));
|
|
if (sysctlbyname(field, nullptr, &result_len, nullptr, 0) != 0) {
|
|
UNREACHABLE();
|
|
return 0;
|
|
}
|
|
|
|
char* result = reinterpret_cast<char*>(malloc(result_len));
|
|
if (sysctlbyname(field, result, &result_len, nullptr, 0) != 0) {
|
|
UNREACHABLE();
|
|
return 0;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
bool CpuInfo::HasField(const char* field) {
|
|
ASSERT(method_ != kCpuInfoDefault);
|
|
ASSERT(field != nullptr);
|
|
int ret = sysctlbyname(field, nullptr, nullptr, nullptr, 0);
|
|
return (ret == 0);
|
|
}
|
|
|
|
} // namespace dart
|
|
|
|
#endif // defined(DART_HOST_OS_MACOS)
|