pgpmilliseconds.c

PGP8.0源码 请认真阅读您的文件包然后写出其具体功能

/*____________________________________________________________________________
	Copyright (C) 2002 PGP Corporation
	All rights reserved.

	$Id: pgpMilliseconds.c,v 1.8 2002/08/06 20:10:34 dallen Exp $
____________________________________________________________________________*/
#include "pgpPFLConfig.h"
#include "pgpDebug.h"

#ifdef __MVS__
#include <time.h>
#else
#if PGP_MACINTOSH
#include <OpenTransport.h>
#elif PGP_WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#elif PGP_UNIX
#include <sys/param.h>
	#if PGP_UNIX_DARWIN
	#include <sys/times.h>
	#endif
#endif
#endif

#include "pgpMilliseconds.h"

	PGPUInt32
PGPGetMilliseconds()
{
	/* Returns milliseconds since system startup */
#if PGP_MACINTOSH
	OTTimeStamp timeStamp;
	
	OTGetTimeStamp( &timeStamp );
	return OTTimeStampInMilliseconds( &timeStamp );
#elif PGP_WIN32
	return GetTickCount();
#elif PGP_UNIX
	/*
	 * times() returns clock ticks since system boot.
	 * HZ is clock ticks per second.
	 */
#if PGP_UNIX_DARWIN
	struct tms tp;
	return times( &tp ) / CLK_TCK * 1000;
#else
	return times( NULL ) / HZ * 1000;
#endif
#else
	pgpAssert( 0 );	/* not implemented */
#endif
}


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