| 1 | /* $Id: thread-r0drv-nt.cpp 4071 2007-08-07 17:07:59Z vboxsync $ */
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| 2 | /** @file
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| 3 | * innotek Portable Runtime - Threads, Ring-0 Driver, NT.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2007 innotek GmbH
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License as published by the Free Software Foundation,
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| 13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 14 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | /*******************************************************************************
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| 19 | * Header Files *
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| 20 | *******************************************************************************/
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| 21 | #include "the-nt-kernel.h"
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| 22 |
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| 23 | #include <iprt/thread.h>
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| 24 | #include <iprt/err.h>
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| 25 |
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| 26 | __BEGIN_DECLS
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| 27 | NTSTATUS NTAPI ZwYieldExecution(void);
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| 28 | __END_DECLS
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| 29 |
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| 30 |
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| 31 | RTDECL(RTNATIVETHREAD) RTThreadNativeSelf(void)
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| 32 | {
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| 33 | return (RTNATIVETHREAD)PsGetCurrentThread();
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| 34 | }
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| 35 |
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| 36 |
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| 37 | RTDECL(int) RTThreadSleep(unsigned cMillies)
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| 38 | {
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| 39 | LARGE_INTEGER Interval;
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| 40 | Interval.QuadPart = -(int64_t)cMillies * 10000;
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| 41 | NTSTATUS rcNt = KeDelayExecutionThread(KernelMode, TRUE, &Interval);
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| 42 | switch (rcNt)
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| 43 | {
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| 44 | case STATUS_SUCCESS:
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| 45 | return VINF_SUCCESS;
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| 46 | case STATUS_ALERTED:
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| 47 | case STATUS_USER_APC:
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| 48 | return VERR_INTERRUPTED;
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| 49 | default:
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| 50 | return RTErrConvertFromNtStatus(rcNt);
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| 51 | }
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| 52 | }
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| 53 |
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| 54 |
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| 55 | RTDECL(bool) RTThreadYield(void)
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| 56 | {
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| 57 | return ZwYieldExecution() != STATUS_NO_YIELD_PERFORMED;
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| 58 | }
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| 59 |
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| 60 |
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