ecb908f699
* cygwin.din: Export clock_getres and clock_setres. * hires.h (hires_ms::minperiod): Delete declaration. (hires_ms::began_period): Ditto. (hires_ms::prime): Make void. (hires_ms::resolution): Just define here. (hires_ms::usecs): Remove unneeded argument. (gtod): Redeclare as a variable. * timer.cc (timer_thread): Eliminate argument to gtod.usecs(). (timer_tracker::gettime): Ditto. (timer_tracker::settime): Ditto. * times.cc (gettimeofday): Ditto. (hires_ms::began_period): Delete declaration. (hires_us::prime): Remove debugging. (hires_ms::prime): Make void. Eliminate period stuff. (hires_ms::usecs): Eliminate argument to gtod.usecs(). (hires_ms::resolution): New function. (clock_getres): Ditto. (clock_setres): Ditto. * version.h: Bump API version to 143. * include/cygwin/time.h: New file.
53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
/* hires.h: Definitions for hires clock calculations
|
|
|
|
Copyright 2002, 2003, 2004, 2005 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>
|
|
|
|
/* Largest delay in ms for sleep and alarm calls.
|
|
Allow actual delay to exceed requested delay by 10 s.
|
|
Express as multiple of 1000 (i.e. seconds) + max resolution
|
|
The tv_sec argument in timeval structures cannot exceed
|
|
HIRES_DELAY_MAX / 1000 - 1, so that adding fractional part
|
|
and rounding won't exceed HIRES_DELAY_MAX */
|
|
#define HIRES_DELAY_MAX ((((UINT_MAX - 10000) / 1000) * 1000) + 10)
|
|
|
|
class hires_base
|
|
{
|
|
protected:
|
|
int inited;
|
|
};
|
|
|
|
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;
|
|
void prime ();
|
|
public:
|
|
LONGLONG usecs ();
|
|
UINT dmsecs () { return timeGetTime (); }
|
|
UINT resolution ();
|
|
};
|
|
|
|
extern hires_ms gtod;
|
|
#endif /*__HIRES_H__*/
|