/* $Id: RTMpGetCount-os2.cpp 7357 2008-03-07 13:11:02Z vboxsync $ */
/** @file
 * innotek Portable Runtime - System, OS/2.
 */

/*
 * Copyright (C) 2006-2007 innotek GmbH
 *
 * 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/system.h>
#include <iprt/assert.h>


RTDECL(unsigned) RTSystemProcessorGetCount(void)
{
    ULONG cCpus = 1;
    int rc = DosQuerySysInfo(QSV_NUMPROCESSORS, QSV_NUMPROCESSORS, &cCpus, sizeof(cCpus));
    if (rc || !cCpus)
        cCpus = 1;
    return cCpus;
}


RTR3DECL(uint64_t) RTSystemProcessorGetActiveMask(void)
{
    union
    {
        uint64_t u64;
        MPAFFINITY mpaff;
    } u;

    int rc = DosQueryThreadAffinity(AFNTY_SYSTEM, &u.mpaff);
    if (rc)
        u.u64 = 1;
    return u.u64;
}