// Copyright (c) 2009 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 <sys/param.h>
#include <sys/sysctl.h>
#include "base/logging.h"
namespace base {
int SysInfo::NumberOfProcessors() {
int mib[] = { CTL_HW, HW_NCPU };
int ncpu;
size_t size = sizeof(ncpu);
if (sysctl(mib, 2, &ncpu, &size, NULL, 0) == -1) {
NOTREACHED();
return 1;
}
return ncpu;
}
} // namespace base