VirtualBox

source: vbox/trunk/src/VBox/Runtime/r3/os2/system-os2.cpp@ 28

Last change on this file since 28 was 1, checked in by vboxsync, 55 years ago

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1/* $Id: system-os2.cpp 1 1970-01-01 00:00:00Z vboxsync $ */
2/** @file
3 * InnoTek Portable Runtime - System, OS/2.
4 */
5
6/*
7 * Copyright (C) 2006 InnoTek Systemberatung 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 as published by the Free Software Foundation,
13 * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
14 * distribution. VirtualBox OSE is distributed in the hope that it will
15 * be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * If you received this file as part of a commercial VirtualBox
18 * distribution, then only the terms of your commercial VirtualBox
19 * license agreement apply instead of the previous paragraph.
20 */
21
22
23/*******************************************************************************
24* Header Files *
25*******************************************************************************/
26#define INCL_BASE
27#define INCL_ERRORS
28#include <os2.h>
29#undef RT_MAX
30
31#include <iprt/system.h>
32#include <iprt/assert.h>
33
34
35RTDECL(unsigned) RTSystemProcessorGetCount(void)
36{
37 ULONG cCpus = 1;
38 int rc = DosQuerySysInfo(QSV_NUMPROCESSORS, QSV_NUMPROCESSORS, &cCpus, sizeof(cCpus));
39 if (rc || !cCpus)
40 cCpus = 1;
41 return cCpus;
42}
43
44
45RTR3DECL(uint64_t) RTSystemProcessorGetActiveMask(void)
46{
47 union
48 {
49 uint64_t u64;
50 MPAFFINITY mpaff;
51 } u;
52
53 int rc = DosQueryThreadAffinity(AFNTY_SYSTEM, &u.mpaff);
54 if (rc)
55 u.u64 = 1;
56 return u.u64;
57}
58
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