84 lines
1.9 KiB
C++
84 lines
1.9 KiB
C++
$NetBSD$
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--- base/system/sys_info_netbsd.cc.orig 2020-07-09 13:28:11.909266556 +0000
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+++ base/system/sys_info_netbsd.cc
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@@ -0,0 +1,78 @@
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+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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+// Use of this source code is governed by a BSD-style license that can be
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+// found in the LICENSE file.
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+
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+#include "base/system/sys_info.h"
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+
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+#include <stddef.h>
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+#include <stdint.h>
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+#include <sys/param.h>
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+#include <sys/shm.h>
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+#include <sys/sysctl.h>
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+
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+#include "base/notreached.h"
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+#include "base/stl_util.h"
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+
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+namespace {
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+
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+int64_t AmountOfMemory(int pages_name) {
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+ long pages = sysconf(pages_name);
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+ long page_size = sysconf(_SC_PAGESIZE);
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+ if (pages == -1 || page_size == -1) {
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+ NOTREACHED();
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+ return 0;
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+ }
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+ return static_cast<int64_t>(pages) * page_size;
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+}
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+
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+} // namespace
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+
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+namespace base {
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+
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+// static
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+int SysInfo::NumberOfProcessors() {
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+ int mib[] = {CTL_HW, HW_NCPU};
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+ int ncpu;
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+ size_t size = sizeof(ncpu);
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+ if (sysctl(mib, base::size(mib), &ncpu, &size, NULL, 0) < 0) {
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+ NOTREACHED();
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+ return 1;
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+ }
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+ return ncpu;
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+}
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+
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+// static
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+int64_t SysInfo::AmountOfPhysicalMemoryImpl() {
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+ return AmountOfMemory(_SC_PHYS_PAGES);
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+}
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+
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+// static
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+int64_t SysInfo::AmountOfAvailablePhysicalMemoryImpl() {
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+ return AmountOfMemory(_SC_PHYS_PAGES);
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+}
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+
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+// static
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+uint64_t SysInfo::MaxSharedMemorySize() {
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+ int mib[] = {CTL_KERN, KERN_SYSVIPC, KERN_SYSVIPC_SHMMAX};
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+ size_t limit;
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+ size_t size = sizeof(limit);
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+ if (sysctl(mib, base::size(mib), &limit, &size, NULL, 0) < 0) {
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+ NOTREACHED();
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+ return 0;
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+ }
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+ return static_cast<uint64_t>(limit);
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+}
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+
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+// static
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+std::string SysInfo::CPUModelName() {
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+ int mib[] = {CTL_HW, HW_MODEL};
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+ char name[256];
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+ size_t len = base::size(name);
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+ if (sysctl(mib, base::size(mib), name, &len, NULL, 0) < 0) {
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+ NOTREACHED();
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+ return std::string();
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+ }
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+ return name;
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+}
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+
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+} // namespace base
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