/* $Id$ */
/** @file
* IPRT - Generic RTThreadSetAffinityToCpu implementation.
*/
/*
* Copyright (C) 2011 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* 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 *
*******************************************************************************/
#include <iprt/thread.h>
#include "internal/iprt.h"
#include <iprt/cpuset.h>
#include <iprt/err.h>
RTR3DECL(int) RTThreadSetAffinityToCpu(RTCPUID idCpu)
{
int rc;
if (idCpu == NIL_RTCPUID)
rc = RTThreadSetAffinity(NULL);
else
{
int iCpu = RTMpCpuIdToSetIndex(idCpu);
if (iCpu >= 0)
{
RTCPUSET CpuSet;
RTCpuSetEmpty(&CpuSet);
RTCpuSetAddByIndex(&CpuSet, iCpu);
rc = RTThreadSetAffinity(&CpuSet);
}
else
rc = VERR_CPU_NOT_FOUND;
}
return rc;
}