mp-darwin.cpp revision 5981e6935987b08737b730b63a41acc1dd696377
/* $Id$ */
/** @file
* IPRT - Multiprocessor, Darwin.
*/
/*
* Copyright (C) 2006-2008 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP RTLOGGROUP_SYSTEM
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
/**
* Internal worker that determines the max possible CPU count.
*
* @returns Max cpus.
*/
static RTCPUID rtMpDarwinMaxCpus(void)
{
int aiMib[2];
int cCpus = -1;
return cCpus;
AssertFailed();
return 1;
}
/** @todo RTmpCpuId(). */
{
}
{
}
{
return rtMpDarwinMaxCpus() - 1;
}
{
#if 0
return RTMpIsCpuPossible(idCpu);
#else
/** @todo proper ring-3 support on darwin, see @bugref{3014}. */
return isOnline;
#endif
}
{
return idCpu != NIL_RTCPUID
&& idCpu < rtMpDarwinMaxCpus();
}
{
#if 0
#else
if (RTMpIsCpuPossible(idCpu))
return pSet;
#endif
}
{
return rtMpDarwinMaxCpus();
}
{
#if 0
return RTMpGetSet(pSet);
#else
if (RTMpIsCpuOnline(idCpu))
return pSet;
#endif
}
{
return RTCpuSetCount(&Set);
}
{
/** @todo figure out how to get the current cpu speed on darwin. Have to check what powermanagement does. */
return 0;
}
{
if (!RTMpIsCpuOnline(idCpu))
return 0;
/*
* Try the 'hw.cpufrequency_max' one.
*/
uint64_t CpuFrequencyMax = 0;
if (!rc)
/*
* Use the deprecated one.
*/
int aiMib[2];
int cCpus = -1;
return cCpus;
AssertFailed();
return 0;
}