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chromium / chromium / src / f3b599b9922b753585ed5bc6be9fe40dbea60ad0 / . / base / sys_info_freebsd.cc
blob: 85916559f2df6d756c7cd46075e793d509b45a9b [file] [log] [blame]
robert.nagy@gmail.com167ec822011-10-24 22:05:27[diff] [blame]1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
evan@chromium.org5f5ac6a2009-11-23 21:57:11[diff] [blame]2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "base/sys_info.h"
6
avi9b6f42932015-12-26 22:15:14[diff] [blame]7#include <stddef.h>
8#include <stdint.h>
evan@chromium.orge43eddf12009-12-29 00:32:52[diff] [blame]9#include <sys/sysctl.h>
10
evan@chromium.org5f5ac6a2009-11-23 21:57:11[diff] [blame]11#include "base/logging.h"
12
13namespace base {
14
Eric Karla628c092017-07-26 01:18:37[diff] [blame]15int64_t SysInfo::AmountOfPhysicalMemoryImpl() {
evan@chromium.org5f5ac6a2009-11-23 21:57:11[diff] [blame]16 int pages, page_size;
17 size_t size = sizeof(pages);
18 sysctlbyname("vm.stats.vm.v_page_count", &pages, &size, NULL, 0);
19 sysctlbyname("vm.stats.vm.v_page_size", &page_size, &size, NULL, 0);
20 if (pages == -1 || page_size == -1) {
21 NOTREACHED();
22 return 0;
23 }
avidd4e614352015-12-09 00:44:49[diff] [blame]24 return static_cast<int64_t>(pages) * page_size;
evan@chromium.org5f5ac6a2009-11-23 21:57:11[diff] [blame]25}
26
27// static
avidd4e614352015-12-09 00:44:49[diff] [blame]28uint64_t SysInfo::MaxSharedMemorySize() {
evan@chromium.org5f5ac6a2009-11-23 21:57:11[diff] [blame]29 size_t limit;
30 size_t size = sizeof(limit);
robert.nagy@gmail.com167ec822011-10-24 22:05:27[diff] [blame]31 if (sysctlbyname("kern.ipc.shmmax", &limit, &size, NULL, 0) < 0) {
32 NOTREACHED();
33 return 0;
34 }
avidd4e614352015-12-09 00:44:49[diff] [blame]35 return static_cast<uint64_t>(limit);
evan@chromium.org5f5ac6a2009-11-23 21:57:11[diff] [blame]36}
37
38} // namespace base