48 lines
859 B
C++
48 lines
859 B
C++
/* hires.h: Definitions for hires clock calculations
|
|
|
|
Copyright 2002 Red Hat, Inc.
|
|
|
|
This file is part of Cygwin.
|
|
|
|
This software is a copyrighted work licensed under the terms of the
|
|
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
|
details. */
|
|
|
|
#ifndef __HIRES_H__
|
|
#define __HIRES_H__
|
|
|
|
#include <mmsystem.h>
|
|
|
|
class hires_base
|
|
{
|
|
protected:
|
|
int inited;
|
|
virtual void prime () {}
|
|
public:
|
|
virtual LONGLONG usecs (bool justdelta) {return 0LL;}
|
|
virtual ~hires_base () {}
|
|
};
|
|
|
|
class hires_us : hires_base
|
|
{
|
|
LARGE_INTEGER primed_ft;
|
|
LARGE_INTEGER primed_pc;
|
|
double freq;
|
|
void prime ();
|
|
public:
|
|
LONGLONG usecs (bool justdelta);
|
|
};
|
|
|
|
class hires_ms : hires_base
|
|
{
|
|
DWORD initime_ms;
|
|
LARGE_INTEGER initime_us;
|
|
UINT minperiod;
|
|
void prime ();
|
|
public:
|
|
LONGLONG usecs (bool justdelta);
|
|
~hires_ms ();
|
|
};
|
|
|
|
#endif /*__HIRES_H__*/
|