77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
/*****************************************************************************
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*
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* COPYRIGHT 1993 - COLORADO MEMORY SYSTEMS, INC.
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* ALL RIGHTS RESERVED.
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*
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******************************************************************************
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*
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* FILE: \SE\DRIVER\Q117KDI\NT\SRC\0X15A10.C
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*
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* FUNCTION: kdi_GetSystemTime
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*
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* PURPOSE: Gets the system time in milliseconds
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*
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* HISTORY:
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* $Log: J:\se.vcs\driver\q117kdi\nt\src\0x15a10.c $
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*
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* Rev 1.3 26 Apr 1994 16:23:02 KEVINKES
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* Added a modification to allow for the
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* conversion of an SDDWord to a UDDWord.
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*
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* Rev 1.2 18 Feb 1994 16:53:14 KEVINKES
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* Changed a couple of data type to unsigned.
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*
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* Rev 1.1 18 Feb 1994 15:44:00 KEVINKES
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* Changed nanosec_interval to a UDDWord.
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*
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* Rev 1.0 17 Feb 1994 11:50:56 KEVINKES
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* Initial Revision.
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*
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*****************************************************************************/
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#define FCT_ID 0x15A10
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#include "include\public\adi_api.h"
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#include "include\public\frb_api.h"
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#include "q117kdi\include\kdiwhio.h"
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#include "q117kdi\include\kdiwpriv.h"
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#include "include\private\kdi_pub.h"
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/*endinclude*/
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dUDWord kdi_GetSystemTime
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(
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/* INPUT PARAMETERS: */
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/* UPDATE PARAMETERS: */
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/* OUTPUT PARAMETERS: */
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)
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/* COMMENTS: *****************************************************************
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*
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* DEFINITIONS: *************************************************************/
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{
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/* DATA: ********************************************************************/
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dUDWord remainder;
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dUDWord time_increment;
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dUDDWord nanosec_interval;
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dSDDWord tick_count;
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dSDDWord temp;
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/* CODE: ********************************************************************/
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time_increment = KeQueryTimeIncrement();
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KeQueryTickCount(&tick_count);
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temp = RtlExtendedIntegerMultiply(
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tick_count,
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time_increment);
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nanosec_interval = *(dUDDWord *)&temp;
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return RtlEnlargedUnsignedDivide(
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nanosec_interval,
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NANOSEC_PER_MILLISEC,
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&remainder);
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}
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