8b75d89699548c4501b141a9470997dfd6db2f16vboxsync/* $Id$ */
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync/** @file
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * IPRT - RTSystemQueryTotalRam, darwin ring-3.
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync */
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync/*
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * Copyright (C) 2012 Oracle Corporation
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync *
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * available from http://www.virtualbox.org. This file is free software;
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * you can redistribute it and/or modify it under the terms of the GNU
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * General Public License (GPL) as published by the Free Software
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync *
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * The contents of this file may alternatively be used under the terms
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * of the Common Development and Distribution License Version 1.0
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * VirtualBox OSE distribution, in which case the provisions of the
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * CDDL are applicable instead of those of the GPL.
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync *
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * You may elect to license modified versions of this file under the
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync * terms and conditions of either the GPL or the CDDL or both.
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync */
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync/*******************************************************************************
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync* Header Files *
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync*******************************************************************************/
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync#include <iprt/system.h>
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync#include "internal/iprt.h"
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync#include <iprt/err.h>
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync#include <iprt/assert.h>
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync#include <errno.h>
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync#include <unistd.h>
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync#include <sys/sysctl.h>
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync#include <sys/stat.h>
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync#include <mach/mach.h>
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync
8b75d89699548c4501b141a9470997dfd6db2f16vboxsyncRTDECL(int) RTSystemQueryTotalRam(uint64_t *pcb)
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync{
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync AssertPtrReturn(pcb, VERR_INVALID_POINTER);
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync int aiMib[2];
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync aiMib[0] = CTL_HW;
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync aiMib[1] = HW_MEMSIZE;
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync uint64_t cbPhysMem = UINT64_MAX;
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync size_t cb = sizeof(cbPhysMem);
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync int rc = sysctl(aiMib, RT_ELEMENTS(aiMib), &cbPhysMem, &cb, NULL, 0);
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync if (rc == 0)
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync {
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync *pcb = cbPhysMem;
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync return VINF_SUCCESS;
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync }
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync return RTErrConvertFromErrno(errno);
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync}
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync
8b75d89699548c4501b141a9470997dfd6db2f16vboxsyncRTDECL(int) RTSystemQueryAvailableRam(uint64_t *pcb)
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync{
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync AssertPtrReturn(pcb, VERR_INVALID_POINTER);
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync static mach_port_t volatile s_hSelfPort = 0;
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync mach_port_t hSelfPort = s_hSelfPort;
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync if (hSelfPort == 0)
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync s_hSelfPort = hSelfPort = mach_host_self();
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync vm_statistics_data_t VmStats;
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync mach_msg_type_number_t cItems = sizeof(VmStats) / sizeof(natural_t);
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync kern_return_t krc = host_statistics(hSelfPort, HOST_VM_INFO, (host_info_t)&VmStats, &cItems);
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync if (krc == KERN_SUCCESS)
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync {
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync uint64_t cPages = VmStats.inactive_count;
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync cPages += VmStats.free_count;
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync *pcb = cPages * PAGE_SIZE;
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync return VINF_SUCCESS;
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync }
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync return RTErrConvertFromDarwin(krc);
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync}
8b75d89699548c4501b141a9470997dfd6db2f16vboxsync