hvtimer.c
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上传日期:2007-06-06
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文件大小:3k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include "machine.h"
- #include "oldtool.h"
- #ifdef _OS2
- /*** OS/2 code path ***************************************/
- #if 0
- #define INCL_DOSMISC
- #include "os.h"
- DWORD VvGetAbsTimeMillisec (void)
- {
-
- // here we need to read the OS/2 system clock and return the number
- // of ticks. This is a 32-bit free running counter of the number
- // of milliseconds since power up. Note that we will encounter
- // time wrap if PC is not powered down in 49.71 days
-
- DWORD milliseconds;
-
- if (DosQuerySysInfo(QSV_MS_COUNT, QSV_MS_COUNT, &milliseconds, sizeof(ULONG)) != NO_ERROR )
- milliseconds = 0;
- return milliseconds;
- }
- #endif
- #else // ! _OS/2
- /*** Windows code path **********************************/
- static TIMERINFO ti = { sizeof(TIMERINFO), 0, 0,};
- DWORD VvGetAbsTimeMillisec (void);
- DWORD VvGetDeltaTimeMillisec (DWORD start);
- DWORD
- VvGetAbsTimeMillisec (void)
- {
- TIMERINFO *lpti = &ti;
- // TimerCount (lpti);
- return lpti->dwmsSinceStart;
- }
- DWORD
- VvGetDeltaTimeMillisec (DWORD start)
- {
- return VvGetAbsTimeMillisec() - start;
- }
- #endif // ! _OS2
-