dbgtimer.h

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** 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 
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 * 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. 
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 * This file, and the files included with this file, is distributed and made 
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 * ***** END LICENSE BLOCK ***** */ 

#include "hxtick.h"

class DebugTimer
{
#ifdef _WIN32
    LARGE_INTEGER _freq, _tic, _toc;
#endif

    char* m_pString;
public:
    inline DebugTimer(char* p)
	{
#ifdef _WIN32
	    QueryPerformanceCounter(&_tic);
	    m_pString = p;
#endif
	};
    inline ~DebugTimer() 
	{
#ifdef _WIN32
	    QueryPerformanceCounter(&_toc);
	    QueryPerformanceFrequency(&_freq);
	    UINT timed = (_toc.LowPart - _tic.LowPart) / (_freq.LowPart/1000000L);
	    FILE* f1 = ::fopen("c:\\temp\\ts.txt", "a+"); /* Flawfinder: ignore */
	    ::fprintf(f1, "%s: %lu\n", m_pString, timed);
	    ::fclose(f1);
#endif
	};
};