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-rw-r--r--src/VBox/Runtime/r3/os2/mp-os2.cpp115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/os2/mp-os2.cpp b/src/VBox/Runtime/r3/os2/mp-os2.cpp
new file mode 100644
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+++ b/src/VBox/Runtime/r3/os2/mp-os2.cpp
@@ -0,0 +1,115 @@
+/* $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);
+}
+