systemmem-darwin.cpp revision 8b75d89699548c4501b141a9470997dfd6db2f16
ed4a2bd5f3f74bb638e09a9ef937e69d130263d6vboxsync/* $Id$ */
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync/** @file
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * IPRT - RTSystemQueryTotalRam, darwin ring-3.
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync */
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync/*
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * Copyright (C) 2012 Oracle Corporation
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync *
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * available from http://www.virtualbox.org. This file is free software;
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * you can redistribute it and/or modify it under the terms of the GNU
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * General Public License (GPL) as published by the Free Software
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync *
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * The contents of this file may alternatively be used under the terms
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * of the Common Development and Distribution License Version 1.0
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * VirtualBox OSE distribution, in which case the provisions of the
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * CDDL are applicable instead of those of the GPL.
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync *
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * You may elect to license modified versions of this file under the
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync * terms and conditions of either the GPL or the CDDL or both.
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync */
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync/*******************************************************************************
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync* Header Files *
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync*******************************************************************************/
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync#include <iprt/system.h>
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync#include "internal/iprt.h"
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync#include <iprt/err.h>
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync#include <iprt/assert.h>
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync#include <errno.h>
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync#include <unistd.h>
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync#include <sys/sysctl.h>
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync#include <sys/stat.h>
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync#include <mach/mach.h>
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsyncRTDECL(int) RTSystemQueryTotalRam(uint64_t *pcb)
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync{
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync AssertPtrReturn(pcb, VERR_INVALID_POINTER);
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync int aiMib[2];
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync aiMib[0] = CTL_HW;
e74c6b6b998c532cdfec426de8ad08b6441e7215vboxsync aiMib[1] = HW_MEMSIZE;
e74c6b6b998c532cdfec426de8ad08b6441e7215vboxsync uint64_t cbPhysMem = UINT64_MAX;
e74c6b6b998c532cdfec426de8ad08b6441e7215vboxsync size_t cb = sizeof(cbPhysMem);
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync int rc = sysctl(aiMib, RT_ELEMENTS(aiMib), &cbPhysMem, &cb, NULL, 0);
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync if (rc == 0)
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync {
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync *pcb = cbPhysMem;
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync return VINF_SUCCESS;
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync }
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync return RTErrConvertFromErrno(errno);
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync}
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsyncRTDECL(int) RTSystemQueryAvailableRam(uint64_t *pcb)
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync{
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync AssertPtrReturn(pcb, VERR_INVALID_POINTER);
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync static mach_port_t volatile s_hSelfPort = 0;
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync mach_port_t hSelfPort = s_hSelfPort;
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync if (hSelfPort == 0)
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync s_hSelfPort = hSelfPort = mach_host_self();
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync vm_statistics_data_t VmStats;
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync mach_msg_type_number_t cItems = sizeof(VmStats) / sizeof(natural_t);
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync kern_return_t krc = host_statistics(hSelfPort, HOST_VM_INFO, (host_info_t)&VmStats, &cItems);
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync if (krc == KERN_SUCCESS)
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync {
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync uint64_t cPages = VmStats.inactive_count;
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync cPages += VmStats.free_count;
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync *pcb = cPages * PAGE_SIZE;
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync return VINF_SUCCESS;
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync }
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync return RTErrConvertFromDarwin(krc);
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync}
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync
13b491985af0d1325baad7591dcab4a9b27949cdvboxsync