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/* $Id: mp-os2.cpp $ */
/** @file
* IPRT - Multiprocessor, OS/2.
*/
/*
* Copyright (C) 2006-2019 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 *
*********************************************************************************************************************************/
#define INCL_BASE
#define INCL_ERRORS
#include <os2.h>
#undef RT_MAX
#include <iprt/mp.h>
#include <iprt/cpuset.h>
#include <iprt/assert.h>
/** @todo RTMpCpuId() */
RTDECL(int) RTMpCpuIdToSetIndex(RTCPUID idCpu)
{
return idCpu < RTCPUSET_MAX_CPUS ? (int) idCpu : -1;
}
RTDECL(RTCPUID) RTMpCpuIdFromSetIndex(int iCpu)
{
return (unsigned)iCpu < RTCPUSET_MAX_CPUS ? iCpu : NIL_RTCPUID;
}
RTDECL(RTCPUID) RTMpGetMaxCpuId(void)
{
return RTCPUSET_MAX_CPUS;
}
RTDECL(bool) RTMpIsCpuPossible(RTCPUID idCpu)
{
RTCPUSET Set;
return RTCpuSetIsMember(RTMpGetSet(&Set), idCpu);
}
RTDECL(PRTCPUSET) RTMpGetSet(PRTCPUSET pSet)
{
RTCPUID idCpu = RTMpGetCount();
RTCpuSetEmpty(pSet);
while (idCpu-- > 0)
RTCpuSetAdd(pSet, idCpu);
return pSet;
}
RTDECL(RTCPUID) RTMpGetCount(void)
{
ULONG cCpus = 1;
int rc = DosQuerySysInfo(QSV_NUMPROCESSORS, QSV_NUMPROCESSORS, &cCpus, sizeof(cCpus));
if (rc || !cCpus)
cCpus = 1;
return cCpus;
}
RTDECL(bool) RTMpIsCpuOnline(RTCPUID idCpu)
{
RTCPUSET Set;
return RTCpuSetIsMember(RTMpGetOnlineSet(&Set), idCpu);
}
RTDECL(PRTCPUSET) RTMpGetOnlineSet(PRTCPUSET pSet)
{
union
{
uint64_t u64;
MPAFFINITY mpaff;
} u;
int rc = DosQueryThreadAffinity(AFNTY_SYSTEM, &u.mpaff);
if (rc)
u.u64 = 1;
return RTCpuSetFromU64(pSet, u.u64);
}
RTDECL(RTCPUID) RTMpGetOnlineCount(void)
{
RTCPUSET Set;
RTMpGetOnlineSet(&Set);
return RTCpuSetCount(&Set);
}
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