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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
commitf215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch)
tree6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Runtime/r0drv/nt/thread2-r0drv-nt.cpp
parentInitial commit. (diff)
downloadvirtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz
virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/r0drv/nt/thread2-r0drv-nt.cpp')
-rw-r--r--src/VBox/Runtime/r0drv/nt/thread2-r0drv-nt.cpp167
1 files changed, 167 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r0drv/nt/thread2-r0drv-nt.cpp b/src/VBox/Runtime/r0drv/nt/thread2-r0drv-nt.cpp
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+++ b/src/VBox/Runtime/r0drv/nt/thread2-r0drv-nt.cpp
@@ -0,0 +1,167 @@
+/* $Id: thread2-r0drv-nt.cpp $ */
+/** @file
+ * IPRT - Threads (Part 2), Ring-0 Driver, NT.
+ */
+
+/*
+ * Copyright (C) 2006-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox 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.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+* Header Files *
+*********************************************************************************************************************************/
+#include "the-nt-kernel.h"
+
+#include <iprt/thread.h>
+#include <iprt/assert.h>
+#include <iprt/errcore.h>
+
+#include "internal/thread.h"
+
+
+DECLHIDDEN(int) rtThreadNativeInit(void)
+{
+ /* No TLS in Ring-0. :-/ */
+ return VINF_SUCCESS;
+}
+
+
+RTDECL(RTTHREAD) RTThreadSelf(void)
+{
+ return rtThreadGetByNative((RTNATIVETHREAD)PsGetCurrentThread());
+}
+
+
+DECLHIDDEN(int) rtThreadNativeSetPriority(PRTTHREADINT pThread, RTTHREADTYPE enmType)
+{
+ /*
+ * Convert the IPRT priority type to NT priority.
+ *
+ * The NT priority is in the range 0..32, with realtime starting
+ * at 16 and the default for user processes at 8. (Should try find
+ * the appropriate #defines for some of this...)
+ */
+ KPRIORITY Priority;
+ switch (enmType)
+ {
+ case RTTHREADTYPE_INFREQUENT_POLLER: Priority = 6; break;
+ case RTTHREADTYPE_EMULATION: Priority = 7; break;
+ case RTTHREADTYPE_DEFAULT: Priority = 8; break;
+ case RTTHREADTYPE_MSG_PUMP: Priority = 9; break;
+ case RTTHREADTYPE_IO: Priority = LOW_REALTIME_PRIORITY; break;
+ case RTTHREADTYPE_TIMER: Priority = MAXIMUM_PRIORITY; break;
+
+ default:
+ AssertMsgFailed(("enmType=%d\n", enmType));
+ return VERR_INVALID_PARAMETER;
+ }
+
+ /*
+ * Do the actual modification.
+ */
+ /*KPRIORITY oldPririty = */KeSetPriorityThread((PKTHREAD)pThread->Core.Key, Priority);
+ return VINF_SUCCESS;
+}
+
+
+DECLHIDDEN(int) rtThreadNativeAdopt(PRTTHREADINT pThread)
+{
+ RT_NOREF1(pThread);
+ return VERR_NOT_IMPLEMENTED;
+}
+
+
+DECLHIDDEN(void) rtThreadNativeWaitKludge(PRTTHREADINT pThread)
+{
+ PVOID pvThreadObj = pThread->Core.Key;
+ NTSTATUS rcNt = KeWaitForSingleObject(pvThreadObj, Executive, KernelMode, FALSE, NULL);
+ AssertMsg(rcNt == STATUS_SUCCESS, ("rcNt=%#x\n", rcNt)); RT_NOREF1(rcNt);
+}
+
+
+DECLHIDDEN(void) rtThreadNativeDestroy(PRTTHREADINT pThread)
+{
+ NOREF(pThread);
+}
+
+
+/**
+ * Native kernel thread wrapper function.
+ *
+ * This will forward to rtThreadMain and do termination upon return.
+ *
+ * @param pvArg Pointer to the argument package.
+ */
+static VOID rtThreadNativeMain(PVOID pvArg)
+{
+ PETHREAD Self = PsGetCurrentThread();
+ PRTTHREADINT pThread = (PRTTHREADINT)pvArg;
+
+ rtThreadMain(pThread, (RTNATIVETHREAD)Self, &pThread->szName[0]);
+
+ ObDereferenceObject(Self); /* the rtThreadNativeCreate ref. */
+}
+
+
+DECLHIDDEN(int) rtThreadNativeCreate(PRTTHREADINT pThreadInt, PRTNATIVETHREAD pNativeThread)
+{
+ /*
+ * PsCreateSysemThread create a thread an give us a handle in return.
+ * We requests the object for that handle and then close it, so what
+ * we keep around is the pointer to the thread object and not a handle.
+ * The thread will dereference the object before returning.
+ */
+ HANDLE hThread = NULL;
+ OBJECT_ATTRIBUTES ObjAttr;
+ InitializeObjectAttributes(&ObjAttr, NULL, OBJ_KERNEL_HANDLE, NULL, NULL);
+ NTSTATUS rc = PsCreateSystemThread(&hThread,
+ THREAD_ALL_ACCESS,
+ &ObjAttr,
+ NULL /* ProcessHandle - kernel */,
+ NULL /* ClientID - kernel */,
+ rtThreadNativeMain,
+ pThreadInt);
+ if (NT_SUCCESS(rc))
+ {
+ PVOID pvThreadObj;
+ rc = ObReferenceObjectByHandle(hThread, THREAD_ALL_ACCESS, NULL /* object type */,
+ KernelMode, &pvThreadObj, NULL /* handle info */);
+ if (NT_SUCCESS(rc))
+ {
+ ZwClose(hThread);
+ *pNativeThread = (RTNATIVETHREAD)pvThreadObj;
+ }
+ else
+ AssertMsgFailed(("%#x\n", rc));
+ }
+ return RTErrConvertFromNtStatus(rc);
+}
+