VirtualBox

source: vbox/trunk/src/VBox/Runtime/r3/os2/system-os2.cpp@ 7300

Last change on this file since 7300 was 5999, checked in by vboxsync, 17 years ago

The Giant CDDL Dual-License Header Change.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 1.9 KB
Line 
1/* $Id: system-os2.cpp 5999 2007-12-07 15:05:06Z vboxsync $ */
2/** @file
3 * innotek Portable Runtime - System, OS/2.
4 */
5
6/*
7 * Copyright (C) 2006-2007 innotek GmbH
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*******************************************************************************
29* Header Files *
30*******************************************************************************/
31#define INCL_BASE
32#define INCL_ERRORS
33#include <os2.h>
34#undef RT_MAX
35
36#include <iprt/system.h>
37#include <iprt/assert.h>
38
39
40RTDECL(unsigned) RTSystemProcessorGetCount(void)
41{
42 ULONG cCpus = 1;
43 int rc = DosQuerySysInfo(QSV_NUMPROCESSORS, QSV_NUMPROCESSORS, &cCpus, sizeof(cCpus));
44 if (rc || !cCpus)
45 cCpus = 1;
46 return cCpus;
47}
48
49
50RTR3DECL(uint64_t) RTSystemProcessorGetActiveMask(void)
51{
52 union
53 {
54 uint64_t u64;
55 MPAFFINITY mpaff;
56 } u;
57
58 int rc = DosQueryThreadAffinity(AFNTY_SYSTEM, &u.mpaff);
59 if (rc)
60 u.u64 = 1;
61 return u.u64;
62}
63
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